Spring 2005 Weekly Bulletin.

Issue No. and date: 1:01/31 2:02/07 3:02/14 4:02/21 5:02/28 6:03/07 7:03/14 8:03/21 9:03/28 10:04/04 11:04/11 14:05/02 15:05/09 16:05/16

CUNY Mathematics Seminars Bulletin - CUNY Ph.D. Program in Mathematics

------------ Spring 2006 | No. 1 | Tuesday, Jan. 31, 2006 ------------

Unless otherwise noted, all seminars will meet at the CUNY Graduate Center, 365 Fifth Ave. (at 34th St.), NYC. Seminars are listed below in chronological order, and show dates for the upcoming three weeks.

Special Events, if any, are listed at the end. Note: A seminar's website, if available, may contain abstracts of the talks plus additional information.

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TUESDAY, JAN. 31ST

Differential Geometry and Lie Theory Seminar
website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html
Meets 4:00 - 5:00PM, Rm. 4419
Speaker: Xiaodong Cao (Columbia University)
Title: "The Ricci Flow on Manifolds with Positive Curvature Operator"

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:30PM, Rm. 3306
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: Structured Matrix and Polynomial Computations (I)

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     WEDNESDAY, FEB. 1ST

Seminar in Categorical Logic and Type Theory
website: http://moodle.gc.cuny.edu/course/category.php?id=2
Meets 12:30 - 2:00 PM, Rm 4421
Speaker: Noson Yanofsky (Brooklyn College & The Graduate Center)
Title: "An Invitation to Category Theory for Logicians"

Model-Theory Seminar
website: http://nylogic.org/ModelTheory
Meets 6:30 - 8:00PM, Rm. 4214.03
No meeting today

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THURSDAY, FEB. 2ND

Computer Science Colloquium [thru Comp. Sci. Dept.]
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Benjamin Fine (Fairfield University)
Title: "Public Key Cryptosystems Using Linear Groups"

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FRIDAY, FEB. 3RD

The Kolchin Seminar in Differential Algebra
website: http://www.sci.ccny.cuny.edu/~ksda/gradcenter.html
Meets 10:00AM, Rm. 4214-03
Speaker: Michael Tepper (CUNY Graduate Center)
Title: "Heights on varieties and the canonical height function, part 1: Number fields"

Number Theory Student Seminar
Meets 10:00AM, Rm. 4433
Speaker: S. Singh (New York City Tech, CUNY)
Title: "Ruzsa's construction of dense infinite Sidon sets"

Complex Analysis Student Seminar
website: http://comet.lehman.cuny.edu/lakic/studentseminar.html
Meets 10:30AM - 12:00PM, Rm. 4419
Speaker: Bill Quattromani (CUNY Graduate Center)
Title: "Caratheodory's metric"

Seminar in Logic and Games
Meets 11:40AM - 1:15PM, Rm. 4421
Speaker: Rohit Parikh (Brooklyn College & The Graduate Center)
Title: "A survey of conditionals"

Complex Analysis Seminar
website: http://comet.lehman.cuny.edu/lakic/cxseminar.html
Meets 1:45 - 3:30PM, Rm. 4419
Speaker: TBA
Title: TBA

Algebra and Cryptography Seminar
website: http://www.sci.ccny.cuny.edu/~shpil/algcryp.html
Meets 2:00 - 3:00PM, Rm. 8405
Speaker: Vladimir Shpilrain (City College & The Graduate Center)
Title: "How to choose a random element from a given infinite group?"

Classical and Quantum Cryptography Seminar
website: http://www.cs.gc.cuny.edu/~ckwan/crypto/
Meets this week: 2:00 - 3:00PM, Rm. 8405 [combined this week with the Algebra and Cryptography Sem.]
Speaker: Vladimir Shpilrain (City College & The Graduate Center)
Title: "How to choose a random element from a given infinite group?"

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Speaker: Joel David Hamkins (College of Staten Island & The Graduate Center)
Title: "Degrees of Rigidity for Souslin Trees"

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Jose Burillo (Polytechnic University of Catalunya, Spain)
Title: "The braided Thompson's groups"

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TUESDAY, FEB. 7TH

Set Theory Seminar
website: http://nylogic.org/SetTheory
Meets 2:00-5:00PM, Rm. 4214-03
Speaker: Thomas Johnstone (CUNY Graduate Center)
Title: "Ideals and generic embeddings"

Differential Geometry and Lie Theory Seminar
website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html
Meets 4:00 - 5:00PM, Rm. 4419
No Meeting Today

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WEDNESDAY, FEB. 8TH

Seminar in Categorical Logic and Type Theory
website: http://moodle.gc.cuny.edu/course/category.php?id=2
Meets 12:30-2 PM, Rm 4421
Speaker: TBA
Title: TBA

Model-Theory Seminar
website: http://nylogic.org/ModelTheory
Meets 6:30 - 8:00PM, Rm. 4214.03
Speaker: Roman Kossak (Bronx C.C. & The Graduate Center)
Title: "Open Problems in Models of Arithmetic, I"

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THURSDAY, FEB. 9TH

Computer Science Colloquium [thru Comp. Sci. Dept.]
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Ivan Kazantsev (University of Pennsylvania)
Title: "Linear Structures in Tomography and Image Processing"

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FRIDAY, FEB. 10TH

Complex Analysis Student Seminar
website: http://comet.lehman.cuny.edu/lakic/studentseminar.html
Meets 10:30AM - 12:00PM, Rm. 4419
Speaker: Kourosh Tavakoli (CUNY Graduate Center)
Title: "Iterated function systems"

Classical and Quantum Cryptography Seminar
website: http://www.cs.gc.cuny.edu/~ckwan/crypto/
Meets 2:00-3:00PM, Rm. 4421
Speaker: TBA
Title: TBA

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30 pm, Rm. 6417
Speaker: Roman Kossak (Bronx C.C. & The Graduate Center)
Title: "Superminimal extensions"

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WEDNESDAY, FEB. 15TH

Seminar in Categorical Logic and Type Theory
website: http://moodle.gc.cuny.edu/course/category.php?id=2
Meets 12:30-2 PM, Rm 4421
Speaker: TBA
Title: TBA

Combinatorics Seminar [aka Seminar on Combinatorial Computing]
website: http://www.math.nyu.edu/~pach/ [Seminars -> Combinatorics Seminar]
Meets 6:30 - 8:00PM, Rm. 6417
Speaker: Nir Y. Ailon (Princeton University)
Title: "Ranking and clustering: aggregating inconsistent information"

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THURSDAY, FEB. 16TH

Computer Science Colloquium [thru Comp. Sci. Dept.]
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Ralph Kopperman (City College)
Title: "On storage of topological information"

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FRIDAY, FEB. 17TH

Algebra and Cryptography Seminar
website: http://www.sci.ccny.cuny.edu/~shpil/algcryp.html
Meets 2:00 - 3:00PM, Rm. 8405
Speaker: Ayan Mahalanobis (Stevens Institute of Tech.)
Title: TBA

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Speakers: Daniel Seabold (Hofstra University) and Steve Warner (Hofstra University)
Title: "Infinite time computable model theory"

Classical and Quantum Cryptography Seminar
website: http://www.cs.gc.cuny.edu/~ckwan/crypto/
Meets 2:00-3:00PM, Rm. 4421
Speaker: TBA
Title: TBA

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Daniel Groves (California Institute of Technology)
Title: TBA

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SPECIAL EVENTS

CUNY Geometric Analysis Conference: The Laplace and Length Spectra
February 3rd - 5th, 2006 at the CUNY Graduate Center, Rm. 4102 (The Science Center)
For complete information, see: http://comet.lehman.cuny.edu/sormani/conf/2006/geom06.html.

# # #

CUNY Mathematics Seminars Bulletin - CUNY Ph.D. Program in Mathematics

------------ Spring 2006 | No. 2 | Tuesday, Feb. 7, 2006 ------------

Special Events, if any, are listed at the end. Note: A seminar's website, if available, may contain abstracts of the talks plus additional information

==================================================================

TUESDAY, FEB. 7TH

Seminar in Computational Logic
website: http://www.cs.gc.cuny.edu/%7Erllc/seminar.html
Meets 2:00 - 4:00PM, Rm. 3306
Speaker: Evan Goris (CUNY Graduate Center)
Topic: "Realizability in the logic of proofs and formal provability"

Set Theory Seminar
website: http://nylogic.org/SetTheory
Meets 2:00-5:00PM, Rm. 4214-03
Speaker: Thomas Johnstone (CUNY Graduate Center)
Title: "Ideals and generic embeddings"

Differential Geometry and Lie Theory Seminar
website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html
Meets 4:00 - 5:00PM, Rm. 4419
Speaker: Morten S. Risager (University of Aarhus)
Title: "Counting prime geodesics on Riemann surfaces"

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: Structured Matrix and Polynomial Computations (II)

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WEDNESDAY, FEB. 8TH

Combinatorics Seminar [aka Seminar on Combinatorial Computing]
website: http://www.math.nyu.edu/~pach/ [Seminars -> Combinatorics Seminar]
Meets 6:30PM, Rm. 6417
Speaker: Po-Shen Loh (Princeton University)
Title: Independent Transversals in Locally Sparse Graphs"

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THURSDAY, FEB. 9TH

New York Number Theory Seminar
website: http://www.math.rutgers.edu/~bumby/nyntsem/
Meets 3:00PM, Rm. 4419
Speaker: Mel Nathanson [Lehman College & The Graduate Center]
Title: "Additive Number Theory and the Cacetta-Haggkvist Conjecture"

Computer Science Colloquium [thru Comp. Sci. Dept.]
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Ivan Kazantsev (University of Pennsylvania)
Title: "Linear Structures in Tomography and Image Processing"

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
Meets 5:30 - 7:00PM
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at NYU, COURANT INSTITUTE
TALK: 5:30PM, 13th Floor
TEA: 5:00 - 5:30PM served in the Math Lounge on the 13th floor
Speaker: Tamar Ziegler (IAS)
Title: "Arithmetic Progressions and Nilmanifolds"

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FRIDAY, FEB. 10TH

Number Theory Student Seminar
Meets 10:00AM, Rm. 4433
Speaker: S. Singh (New York City Tech, CUNY)
Title: "Ruzsa's construction of dense Sidon sets of positive integers"

Seminar in Logic and Games
Meets 11:40AM - 1:15PM, Rm. 4421
Speaker: Samer Salame (Bronx C.C., CUNY)
Title: "Density of natural numbers and the Lévy group"

Complex Analysis Seminar
website: http://comet.lehman.cuny.edu/lakic/cxseminar.html
Meets 1:45 - 3:30PM, Rm. 4419
Speaker: Fred Gardiner (Brooklyn College & The Graduate Center)
Title: "Scaling functions"

Algebra and Cryptography Seminar
website: http://www.sci.ccny.cuny.edu/~shpil/algcryp.html
Meets 2:00 - 3:00PM, Rm. 8405
Speaker: Ayan Mahalanobis (Stevens Institute of Tech.)
Title: "Diffie-Hellman key exchange protocol in non-abelian p-groups"

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30 pm, Rm. 6417
Speaker: Roman Kossak (Bronx C.C. & The Graduate Center)
Title: "Superminimal extensions"

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Denis Serbin (McGill University, Canada)
Title: "Groups with free regular length functions in Z^nTBA"

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MONDAY, FEB. 13TH

Group Theory Student Seminar
Meets 3:30 � 5:00PM, Rm. 4214-03
Speaker: TBA
Title: TBA

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TUESDAY, FEB. 14TH

Model Categories Seminar
Meets: 4:30 - 5:30PM, Rm. TBA
Speaker: Robert Thompson (Hunter College & The Graduate Center)
Title: "An Introduction to Quillen Model Categories"

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: TBA

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WEDNESDAY, FEB. 15TH

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THURSDAY, FEB. 16TH

Computer Science Colloquium [thru Comp. Sci. Dept.]
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Ralph Kopperman (City College)
Title: "On storage of topological information"

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
Meets 5:30 - 7:00PM, Rm. C198
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at the CUNY Graduate Center
TEA: 5:00-5:30 served in Room C198, C-level: one floor down from lobby
Speaker: Sinnou David (Universite Pierre et Marie Curie)
Title: "On Two Questions of Lang"

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FRIDAY, FEB. 17TH

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Daniel Groves (California Institute of Technology)
Title: TBA

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MONDAY, FEB 20TH

Group Theory Student Seminar
Meets 3:30 � 5:00PM, Rm. 4214-03
Speaker: TBA
Title: TBA

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TUESDAY, FEB. 21ST

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: TBA

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WEDNESDAY, FEB. 22ND

Combinatorics Seminar [aka Seminar on Combinatorial Computing]
website: http://www.math.nyu.edu/~pach/ [Seminars -> Combinatorics Seminar]
Meets 6:30 - 8:00PM, Rm. 6417
Speaker: Tudor Zamfirescu (Universitat Dortmund)
Title: "Diameters and antipodes"

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THURSDAY, FEB. 23RD

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Murray Cantor (IBM)
Title: "Embracing Variance"

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
Meets 5:30 - 7:00PM, Rm. C198
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at NYU, COURANT INSTITUTE
TALK: 13th Floor, 5:30-7:00PM
TEA: 5:00 - 5:30 served in the Math Lounge on the 13th floor.
Speaker: Alex Gamburd (IAS/Santa Cruz)
Title: TBA

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FRIDAY, FEB. 24TH

Complex Analysis Seminar
website: http://comet.lehman.cuny.edu/lakic/cxseminar.html
Meets 1:45 - 3:30PM, Rm. 4419
Speaker: Maryam Mirzakhani (Princeton Univ.)
Title: TBA

Algebra and Cryptography Seminar
website: http://www.sci.ccny.cuny.edu/~shpil/algcryp.html
Meets 2:00 - 3:00PM, Rm. 8405
Spoeaker: Alexander Ushakov (Stevens Institute)
Title: TBA

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Speaker: Ivo Herzog (Ohio State University)
Title: "Pseudo-simple representations of sl(2,k)"

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MONDAY, FEB. 27TH

Group Theory Student Seminar
Meets 3:30 � 5:00PM, Rm. 4214-03
Speaker: TBA
Title: TBA

# # #

CUNY Mathematics Seminars Bulletin - CUNY Ph.D. Program in Mathematics

------------ Spring 2006 | No. 3 | Tuesday, Feb. 14, 2006 ------------

Special Events, if any, are listed at the end. Note: A seminar's website, if available, may contain abstracts

of the talks plus additional information.

==================================================================

TUESDAY, FEB. 14TH

Model Categories Seminar
Meets 4:30 - 5:30PM, Rm. 4433
No meeting today

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: TBA

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WEDNESDAY, FEB. 15TH

Seminar in Categorical Logic and Type Theory
website: http://moodle.gc.cuny.edu/course/category.php?id=2
Meets 12:30-2 PM, Rm 4421
Speaker: Dustin Mulcahey (CUNY Graduate Center)
Title: "Categories of Functors II"

Model-Theory Seminar
website: http://nylogic.org/ModelTheory
Meets 6:30 - 8:00PM, Rm. 4214.03
Speaker: Roman Kossak (Bronx C.C & The Graduate Center)
Title: "Recursively saturated models of arithmetic"

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THURSDAY, FEB. 16TH

Computer Science Colloquium [thru Comp. Sci. Dept.]
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Ralph Kopperman (City College)
Title: "On storage of topological information"

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FRIDAY, FEB. 17TH

Kolchin Seminar in Differential Algebra
website: http://www.sci.ccny.cuny.edu/~ksda/
Meets 10AM � 11:30PM, Rm. 4214.03
No meeting today

Complex Analysis Student Seminar
website: http://comet.lehman.cuny.edu/lakic/studentseminar.html
Meets 10:30AM - 12:00PM, Rm. 4419
Speaker: Kourosh Tavakoli (CUNY Graduate Center)

Seminar in Logic and Games
Meets 11:40AM - 1:15PM, Rm. 4421
Speaker: Steven Brams (New York University)
Title: "Voting Systems that Combine Approval and Preference"

Complex Analysis Seminar
website: http://comet.lehman.cuny.edu/lakic/cxseminar.html
Meets Fridays, 1:45 - 3:30PM, Rm. 4419
Speaker: Jun Hu (Brooklyn College & The Graduate Center)
Title: "From left earthquakes to right"

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Alex Gamburd (Institute for Advanced Study)
Title: "Uniform expansion bounds for Cayley graphs of SL(2, p)"

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TUESDAY, FEB. 21ST

Group Theory Student Seminar
Meets today at 3:20PM, Rm. 4214-03 [usually meets on Mondays]
Speaker: Marianna Buononome [CUNY Graduate Center]
Topic: Several chapters of GRAPHS OF GROUPS, by Magnus et al.

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: TBA

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WEDNESDAY, FEB. 22ND

Combinatorics Seminar [aka Seminar on Combinatorial Computing]
website: http://www.math.nyu.edu/~pach/ [Seminars -> Combinatorics Seminar]
Meets 6:30 - 8:00PM, Rm. 6417
Speaker: Tudor Zamfirescu (Universitat Dortmund)
Title: "Diameters and antipodes"

Model-Theory Seminar
website: http://nylogic.org/ModelTheory
Meets 6:30 - 8:00PM, Rm. 4214.03
Speaker: Roman Kossak (Bronx C.C & The Graduate Center)
Title: "Automorphisms of recursively saturated models of arithmetic"

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THURSDAY, FEB. 23RD

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Murray Cantor (IBM)
Title: "Embracing Variance"

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
Meets 5:30 - 7:00PM, Rm. C198
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at NYU, COURANT INSTITUTE
TALK: 13th Floor, 5:30-7:00PM
TEA: 5:00 - 5:30 served in the Math Lounge on the 13th floor.
Speaker: Alex Gamburd (IAS/Santa Cruz)
Title: TBA

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FRIDAY, FEB. 24TH

Complex Analysis Seminar
website: http://comet.lehman.cuny.edu/lakic/cxseminar.html
Meets 1:45 - 3:30PM, Rm. 4419
Speaker: Maryam Mirzakhani (Princeton Univ.)
Title: "Train tracks and equidistribution results in moduli spaces"

Algebra and Cryptography Seminar
website: http://www.sci.ccny.cuny.edu/~shpil/algcryp.html
Meets 2:00 - 3:00PM, Rm. 8405
Speaker: Alexander Ushakov (Stevens Institute)
Title: TBA

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Speaker: Ivo Herzog (Ohio State University)
Title: "Pseudo-simple representations of sl(2,k)"

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Michael Handel (Lehman College and The Graduate Center)
Title: TBA

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MONDAY, FEB. 27TH

Group Theory Student Seminar
Meets 3:30 � 5:00PM, Rm. 4214-03
Speaker: TBA
Title: TBA

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     TUESDAY, FEB. 28TH

Differential Geometry and Lie Theory Seminar
website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html
Meets 4:00 - 5:00PM, Rm. 4419
Speaker: Feng Luo (Rutgers University)
Title: "Some applications of the cosine law in low-dimensional geometry"

Probability Seminar
website: http://www.math.csi.cuny.edu/probability/
Meets 4:15 - 5:30PM, Rm. 5417
Speaker: Mark Brown (City College)
Title: "The Waiting Time for Patterns"

Model Categories Seminar
Meets: 4:30 - 5:30PM, Rm. 4433
Speaker: Robert Thompson (Hunter College & The Graduate Center)
Title: "An Introduction to Quillen Model Categories"

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: TBA

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WEDNESDAY, MARCH 1ST

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THURSDAY, MARCH 2ND

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15PM - 5:30PM, Rm. 9206/9207
Speaker: Radu Grosu (SUNY Stony Brook)
Title: TBA

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
Meets 5:30 - 7:00PM, Rm. C198
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at Columbia University
TALK: 312 Math, 5:30 - 7:00PM
TEA: 5:00 - 5:30PM served in the Math Lounge on the 5th floor
Speaker: Kartik Prasanna (UCLA)
Title: TBA

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FRIDAY, MARCH 3RD

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Speaker: Peter Koepke (Rheinische Friedrich-Wilhelms-Universität Bonn)
Title: "Infinite Time Register Machines"

# # #

CUNY Mathematics Seminars Bulletin - CUNY Ph.D. Program in Mathematics

------------ Spring 2006 | No. 4 | Tuesday, Feb. 21, 2006 ------------

Special Events, if any, are listed at the end. Note: A seminar's website, if available, may contain abstracts

of the talks plus additional information.

==================================================================

TUESDAY, FEB. 21ST

Set Theory Seminar
website: http://nylogic.org/SetTheory
Meets 2:00 - 5:00PM, Rm. 4214-03
No meeting today; CUNY follows a Monday schedule

Group Theory Student Seminar
Meets today at 3:20PM, Rm. 4214-03 (usually meets on Mondays)
Speaker: Marianna Bonanome (CUNY Graduate Center)
Topic: Cayley Graphs of Groups

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
No meeting today.

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WEDNESDAY, FEB. 22ND

Combinatorics Seminar [aka Seminar on Combinatorial Computing]
website: http://www.math.nyu.edu/~pach/ [Seminars -> Combinatorics Seminar]
Meets 6:30 - 8:00PM, Rm. 6417
Speaker: Tudor Zamfirescu (Universitat Dortmund)
Title: "Pushing bodies through holes"

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THURSDAY, FEB. 23RD

New York Number Theory Seminar
website: http://www.math.rutgers.edu/~bumby/nyntsem/
Meets at 2:00PM today, Rm. 4419 (normally meets at 3:00PM)
Speaker: Samer Salame (Bronx C.C., CUNY)
Title: "Density of natural numbers and the Lévy group"

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15 - 5:30PM, Rm. 9206/9207
Speaker: Murray Cantor (IBM)
Title: "Embracing Variance"

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at NYU - COURANT INSTITUTE
TALK: 5:30-7:00PM, 13th Floor
TEA: 5:00 - 5:30 served in the Math Lounge on the 13th floor
Speaker: Alex Gamburd (IAS/Santa Cruz)
Title: "Sum-Product Estimates, Expanders, and Equidistribution"

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FRIDAY, FEB. 24TH

Kolchin Seminar in Differential Algebra
Meets 10AM � 11:30AM, Rm. 4214.03
website: http://www.sci.ccny.cuny.edu/~ksda/
Speaker: Adam Crock (CUNY Graduate Center)
Title: TBA

Seminar in Logic and Games
Meets 11:40AM - 1:15PM, Rm. 4421
Speaker: Rohit Parikh (Brooklyn College & The Graduate Center)
Title: "Finite and Infinite Dialogues"

Complex Analysis Seminar
website: http://comet.lehman.cuny.edu/lakic/cxseminar.html
Meets 1:45 - 3:30PM, Rm. 4419
Speaker: Maryam Mirzakhani (Princeton University)
Title: "Train tracks and equidistribution results in moduli spaces"

Algebra and Cryptography Seminar
website: http://www.sci.ccny.cuny.edu/~shpil/algcryp.html
Meets 2:00 - 3:00PM, Rm. 8405
Speaker: Alexander Ushakov (Stevens Institute)
Title: "A practical attack on the Anshel-Anshel-Goldfeld key exchange protocol"

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Workshop participants are invited to continue the discussion afterwards over
coffee and tea in the Graduate Center Mathematics Lounge, Rm. 4214
Speaker: Ivo Herzog (Ohio State University)
Title: "Pseudo-simple representations of sl(2,k)"

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Michael Handel (Lehman College & The Graduate Center)
Title: TBA

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MONDAY, FEB. 27TH

Group Theory Student Seminar
Meets 3:30 � 5:00PM, Rm. 4214-03
Speaker: TBA
Title: TBA

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     TUESDAY, FEB. 28TH

Set Theory Seminar
website: http://nylogic.org/SetTheory
Meets 2:00 - 5:00PM, Rm. 4214-03
Speaker: George Leibman (CUNY Graduate Center)
Title: "Closure of generic ultrapowers"

Probability Seminar
website: http://www.math.csi.cuny.edu/probability/
Meets 4:15 - 5:30PM, Rm. 5417
Speaker: Mark Brown (City College)
Title: "The Waiting Time for Patterns"

Model Categories Seminar
Meets: 4:30 - 5:30PM, Rm. 4433
Speaker: Robert Thompson (Hunter College & The Graduate Center)
Title: "An Introduction to Quillen Model Categories"

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WEDNESDAY, MARCH 1ST

Combinatorics Seminar [aka Seminar on Combinatorial Computing]
website: http://www.math.nyu.edu/~pach/ [Seminars -> Combinatorics Seminar]
Meets 6:30 - 8:00PM, Rm. 6417
Speaker: Geza Toth (Renyi Institute, Budapest)
Title: "Degenerate crossing numbers of graphs"

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THURSDAY, MARCH 2ND

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15PM - 5:30PM, Rm. 9206/9207
Speaker: Radu Grosu (SUNY Stony Brook)
Title: TBA

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at Columbia University
TALK: 5:30 - 7:00PM, Rm. 312 Math
TEA: 5:00 - 5:30PM served in the Math Lounge on the 5th floor
Speaker: Kartik Prasanna (UCLA)
Title: "Elliptic Curves, Quadratic Twists, and p-(In)divisibility of L-values"

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FRIDAY, MARCH 3RD

Kolchin Seminar in Differential Algebra
Meets 10AM � 11:30AM, Rm. 4214.03
website: http://www.sci.ccny.cuny.edu/~ksda/
Speaker: William Keigher (Rutgers - Newark)
Title: TBA

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TUESDAY, MARCH 7TH

Set Theory Seminar
website: http://nylogic.org/SetTheory
Meets 2:00 - 5:00PM, Rm. 4214-03
Speaker: Jonas Reitz (CUNY Graduate Center)
Title: TBA

Differential Geometry and Lie Theory Seminar
website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html
Meets 4:00 - 5:00PM, Rm. 4419
Speaker: George Willis (University of Newcastle)
Title: "Directions in Totally Disconnected Locally Compact Groups"

Probability Seminar
website: http://www.math.csi.cuny.edu/probability/
Meets 4:15 - 5:30PM, Rm. 5417
Speaker: Michael Marcus (City College of New York & The Graduate Center)
Title: "Strong Laws for Gaussian Differences"

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THURSDAY, MARCH 9TH

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15PM - 5:30PM, Rm. 9206/9207
Speaker: TBA
Title: TBA

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
Meets 5:30 - 7:00PM, Rm. C198
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at the CUNY Graduate Center
Speakers: David and Gregory Chudnovsky (Brooklyn Polytechnic University)
Title: TBA

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FRIDAY, MARCH 10TH

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Speaker: Arthur W. Apter (Baruch College, CUNY)
Title: TBA

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Zoran Sunik (Texas A&M University; visiting Rutgers University)
Title: TBA

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SPECIAL EVENTS

FRIDAY, MARCH 10TH

Joint CUNY and Courant New York City Rigidity Theory Workshop. All talks will be in Rm. 1302 at NYU's Courant Institute. For complete information, see: http://comet.lehman.cuny.edu/sormani/conf/2006/rigidity.html

# # #

CUNY Mathematics Seminars Bulletin - CUNY Ph.D. Program in Mathematics

------------ Spring 2006 | No. 5 | Tuesday, Feb. 28, 2006 ------------

Special Events, if any, are listed at the end. Note: A seminar's website, if available, may contain abstracts of the talks plus additional information.

==================================================================

TUESDAY, FEB. 28TH

Set Theory Seminar
website: http://nylogic.org/SetTheory
Meets 2:00 - 5:00PM, Rm. 4214-03
Speaker: George Leibman (CUNY Graduate Center)
Title: "Closure of generic ultrapowers"

Probability Seminar
website: http://www.math.csi.cuny.edu/probability/
Meets 4:15 - 5:30PM, Rm. 5417
Speaker: Mark Brown (City College)
Title: "The Waiting Time for Patterns"

Model Categories Seminar
Meets: 4:30 - 5:30PM, Rm. 4433
Speaker: Robert Thompson (Hunter College & The Graduate Center)
Title: "An Introduction to Quillen Model Categories"

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WEDNESDAY, MARCH 1ST

Seminar in Categorical Logic and Type Theory
website: http://moodle.gc.cuny.edu/course/category.php?id=2
Meets 12:30 - 2 PM, Rm 4421
Speaker: Florian Lengyel (CUNY Graduate Center)
Title: "Adjoints and Intuitioninstic Propositional Calculus"

Combinatorics Seminar [aka Seminar on Combinatorial Computing]
website: http://www.math.nyu.edu/~pach/ [Seminars -> Combinatorics Seminar]
Meets 6:30 - 8:00PM, Rm. 6417
Speaker: Geza Toth (Renyi Institute, Budapest)
Title: "Degenerate Crossing Numbers"

Model Theory Seminar
website: http://nylogic.org/ModelTheory
Meets 6:30 - 8:00PM, Rm. 4214.03
Speaker: Roman Kossak (B.C.C. & The Graduate Center)
Title: "More on automorphisms of recursively saturated models of PA"

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THURSDAY, MARCH 2ND

New York Number Theory Seminar
website: http://www.math.rutgers.edu/~bumby/nyntsem/
Meets 3:00 - 4:30PM, Rm. 4419
Speaker: Richard Bumby (Rutgers)
Title: "Finitely additive measures and the first digit problem"

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15PM - 5:30PM, Rm. 9206/9207
Speaker: Noemie Elhadad (City College, CUNY)
Title: "User-Sensitive Text Summarization"

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at Columbia University
TALK: 5:30 - 7:00PM, Rm. 312 Math
TEA: 5:00 - 5:30PM served in the Math Lounge on the 5th floor
Speaker: Kartik Prasanna (UCLA)
Title: "Elliptic Curves, Quadratic Twists, and p-(In)divisibility of L-values"

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FRIDAY, MARCH 3RD

Kolchin Seminar in Differential Algebra
website: http://www.sci.ccny.cuny.edu/~ksda/gradcenter.html
Meets 10AM � 11:30AM, Rm. 4214.03
Speaker: Masood Aryapoor (Yale University)
Title: TBA

Seminar in Logic and Games
Meets 11:30AM - 12:50PM, Rm. 4421 [Note slight change in time today]
Speaker: Hartry Field (New York University)
Title: "Truth and the Unprovability of Consistency"

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Pallavi Dani (University of Oklahoma)
Title: "The asymptotic density of torsion elements in infinite groups"

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TUESDAY, MARCH 7TH

Set Theory Seminar
website: http://nylogic.org/SetTheory
Meets 2:00 - 5:00PM, Rm. 4214-03
Speaker: Jonas Reitz (CUNY Graduate Center)
Title: TBA

Model Categories Seminar
Meets: 4:30 - 5:30PM, Rm. 4433
Speaker: Robert Thompson (Hunter College & The Graduate Center)
Title: "An Introduction to Quillen Model Categories" (cont'd)

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WEDNESDAY, MARCH 8TH

Model Theory Seminar
website: http://nylogic.org/ModelTheory
Meets 6:30 - 8:00PM, Rm. 4214.03
Speaker: Erez Shochat (CUNY Graduate Center and St. Francis College)
Title: "Extending automorphisms"

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THURSDAY, MARCH 9TH

Computer Science Colloquium
website: http://web.gc.cuny.edu/Computerscience/news/colloquium.htm
Meets 4:15PM - 5:30PM, Rm. 9206/9207
Speaker: TBA
Title: TBA

New York Joint Number Theory Seminar
website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html
Meets 5:30 - 7:00PM, Rm. C198
This seminar alternates meeting at GC, NYU, & Columbia
Meets today at the CUNY Graduate Center
Speakers: David and Gregory Chudnovsky (Brooklyn Polytechnic University)
Title: TBA

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FRIDAY, MARCH 10TH

Kolchin Seminar in Differential Algebra
website: http://www.sci.ccny.cuny.edu/~ksda/
Meets 10AM � 11:30AM, Rm. 4214.03
Speaker: Adam Crock (CUNY Graduate Center)
Title: TBA

CUNY Logic Workshop
website: http://nylogic.org/Workshop
Meets 2:00 - 3:30PM, Rm. 6417
Speaker: Arthur W. Apter (Baruch College, CUNY)
Title: "Combinatorial Principles and Level by Level Equivalence"

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars]
website: http://www.grouptheory.org/
Meets 4:00 - 5:00PM, Rm. 5417 [Tea at 3:30PM in the Math Lounge, Rm. 4214-03]
Speaker: Zoran Sunik (Texas A&M University; visiting Rutgers University)
Title: TBA

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TUESDAY, MARCH 14TH

Differential Geometry and Lie Theory Seminar
website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html
Meets 4:00 - 5:00PM, Rm. 4419
Speaker: Ara Basmajian (University of Oklahoma)
Title: TBA

Model Categories Seminar
Meets: 4:30 - 5:30PM, Rm. 4433
Speaker: TBA
Title: TBA

Algebraic Numerical Computing Seminar
website: http://comet.lehman.cuny.edu/vpan/seminar.html
Meets 6:30 - 8:15PM, Rm. 4419
Speaker: Victor Pan (Lehman College & The Graduate Center)
Topic: TBA

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WEDNESDAY, MARCH 15TH

Model Theory Seminar
website: http://nylogic.org/ModelTheory
Meets 6:30 - 8:00PM, Rm. 4214.03
Speaker: Ali Enayat (American University)
Title: "A proof of Schmerl�s conjecture"

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