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

----------- Spring 2009 | No. 5 | Tuesday, Feb. 24, 2009 -----------

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.  A seminar's website, if available, may contain abstracts of the talks plus additional information

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TUESDAY, FEB. 24TH

Complex Analysis & Dynamical Systems Student Seminar

website: http://qcpages.qc.cuny.edu/~yjiang/HomePageYJ/LinkPages/2009SpringStudentSeminars.html

Meets 11:30AM - 1:00PM, Rm. 4214-03

No meeting today

Computational Logic Seminar

Meets 2:00PM - 4:00PM, Rm. 3212

Speaker: Mr. Evan Goris (CUNY Graduate Center)

Title: “Entity Authentication: An Introduction to BAN Logic”

Differential Geometry Seminar  

website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html

Meets 2:00PM - 4:00PM, Rm. 3209

No meeting today – event at IAS

CUNY Probability Seminar  

website: http://www.math.csi.cuny.edu/probability/

Meets 4:00PM, Rm. 5417

Speaker: Dmitry Dolgopyat (Univ. of Maryland)

Title: “Central Limit Theorem for Random walk in Markovian environment”

Cyclotomic Fields Study Group 

Meets 5:00PM - 7:00PM, Rm. 4214-03

Speaker: Joseph Lewittes (Lehman College & The CUNY Graduate Center)

Title: "Class numbers of Cyclotomic Fields, III"

Algebraic and Numerical Computations Seminar

Meets 6:30PM - 8:15PM, Rm. 3212

Speaker: Victor Pan (Lehman College & The Graduate Center)

Title: “Multiplication of structured matrices and related operations with polynomials, III”

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THURSDAY, FEB. 26TH

Arithmetic Geometry Team – Special Lecture

Meets today from 1:30PM - 2:30PM, Rm. 4214-03

Speaker: Francois Loeser, (École Normale Supérieure, Paris)

Title: “Some Applications of Model Theory to Algebraic Geometry”

Hyperbolic Geometry Student Seminar 

Meets 2:45PM - 3:45PM, Rm. 3209

Speaker: Ms. Viveka Erlandsson (CUNY Graduate Center)

Topic: "Complex hyperbolic geometry”

New York Number Theory Seminar

Meets 3:00PM - 4:00PM, Rm. 4419

Speaker: Mel Nathanson (Lehman College & The CUNY Graduate Center)

Title: “Some geometric group theory for number theorists”

CUNY Geometry and Topology Seminar 

website: http://comet.lehman.cuny.edu/behrstock/seminar/

Meets 4:00PM, Rm. 4214-03

Speaker: Melvyn Nathanson (Lehman College & The CUNY Graduate Center)

Title: “Two problems in number theory related to geometric group theory”

New York Joint Number Theory Seminar

website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html

(Rotates between The CUNY Graduate Center, Columbia University, and NYU)

Double Header today

Meets today at NYU, Courant Institute

1st talk: 4:00PM - 5:00PM; Courant Institute Rm. 317

Speaker: Frank Calegari (Northwestern Univ.)

Title: “Toward Modularity Theorems over Imaginary Quadratic Fields”

2nd talk: 5:30PM - 7:00PM: Courant Institute Rm. 317

Speaker: Francois Loeser (École Normale Supérieure, Paris)

Title: ”Some Applications of Model Theory to Algebraic Geometry” 

TEA: 5:00 - 5:30 served in WWH 317

Computer Science Colloquium

website: http://cslogic.info/colloquium/

Meets 4:15PM - 5:30PM, Rm. 9204/9205

Speaker: Andre Scedrov (Univ. of Pennsylvania)

Title: “Formal Analysis of Kerberos 5 Authentication Protocol”

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FRIDAY, FEB. 27TH

Kolchin Seminar in Differential Algebra 

website: http://www.sci.ccny.cuny.edu/~ksda/gradcenter.html

Meets 10:30AM - 1:00PM, Rm. 6421

Speaker: Mr. Camilo Sanabria (CUNY Graduate Center)

Title: “Symmetries of meromorphic connections over Riemann Surfaces, II”

New York Algebra Colloquium  

website: http://websupport1.citytech.cuny.edu/Faculty/adouglas/NYALGCOL.html

Meets 10:30AM - 11:30AM, Rm. 3209

Speaker: Russell Miller (Queens College & The CUNY Graduate Center)

Title: “Difficulty of Factoring Polynomials and Finding Roots”

Complex Analysis and Dynamics Seminar 

website: http://qcpages.qc.cuny.edu/~zakeri/seminar.html

Fridays, 2:00PM - 3:00PM, Rm. 4419

Speaker: Karan Puri (Rutgers Univ., Newark)

Title: “Factorization of Isometries of Hyperbolic 4-Space Through a Discreteness Condition”

CUNY Statistics Seminar

website: http://math.hunter.cuny.edu/draghice/Seminar.html

Fridays, 3:00PM - 4:00PM, Rm. 7314

Speaker: TBA

Title: TBA

Applied Mathematics Seminar

Today: Stochastic PDE Reading Seminar

website: http://websupport1.citytech.cuny.edu/faculty/hyuce/AMSeminar.html

Meets 4:00PM - 5:00PM, Rm. 3209

Speaker: Holly Carley (New York City College of Technology, CUNY)

Title: “Brownian motion and ‘white noise’"          

Collaborative Number Theory Seminar  

website: http://www.sci.ccny.cuny.edu/~chinta/seminars/cnts.html

Fridays, 4:00PM - 5:30PM, Rm. 4422

Speaker: TBA

Title: TBA

Commutative Algebra & Alg. Geom. Seminar 

website: http://websupport1.citytech.cuny.edu/faculty/lghezzi/seminar.html

Meets 4:00PM - 5:00PM, Rm. 6417

Speaker: Laurentiu Maxim (Lehman College, CUNY)

Title: “Generating series for Hodge polynomials of symmetric products of varieties, part II”

New York Group Theory Seminar [a.k.a. Magnus Group Theory Seminars] 

website: http://grouptheory.org/

Meets 4:00PM - 5:00PM, Rm. 5417; Tea at 3:30PM in the Math Lounge, Rm. 4214

Speaker: Bernhard Kroen (Univ. of Vienna & The City College of New York)

Title: "Vertex Cuts”

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MONDAY, MARCH 2ND

Geometry and Topology Reading Seminar

website: http://comet.lehman.cuny.edu/maxim/gt.html

Meets 4:00PM - 5:00PM, Rm. 4214-03

Speaker: Mr. Micah Miller (CUNY Graduate Center)

Title: “Symplectic structure on moduli space of flat connections over a surface”

NYC Category Theory Seminar

website: http://www.sci.brooklyn.cuny.edu/~noson/CTseminar.html

Meets 6:00PM - 7:00PM, Rm. 4421

Speaker: Mr. Dustin Mulcahey (CUNY Graduate Center)

Title: “Spectral sequences for a working category theorist”

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TUESDAY, MARCH 3RD

Complex Analysis & Dynamical Systems Student Seminar

website: http://qcpages.qc.cuny.edu/~yjiang/HomePageYJ/LinkPages/2009SpringStudentSeminars.html

Meets 11:30AM - 1:00PM, Rm. 4214-03

Speaker: Mr. Zhe Wang (CUNY Graduate Center)

Title: “Universal Asymptotic Conformal Teichmuller Space, II”

Differential Geometry Seminar  

website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html

Meets 2:00PM - 4:00PM, Rm. 3209

Speaker: Indira Chatterji (Ohio State Univ.)

Topic: "A characterization of hyperbolicity"

CUNY Probability Seminar  

website: http://www.math.csi.cuny.edu/probability/

Meets 4:00PM, Rm. 5417

Speaker: Janos Englander (Univ. of Cal., Santa Barbara)

Title: “Strong Law of Large Numbers for Branching Diffusions”

Cyclotomic Fields Study Group 

Meets 5:00PM - 7:00PM, Rm. 4214-03

Speaker: Joseph Lewittes (Lehman College & The CUNY Graduate Center)

Title: "Class numbers of Cyclotomic Fields, IV"

Algebraic and Numerical Computations Seminar

Meets 6:30PM - 8:15PM, Rm. 3212

Speaker: Victor Pan (Lehman College & The CUNY Graduate Center)

Topic: "Polynomial and Rational Interpolation and Structured Matrices, I"

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THURSDAY, MARCH 5TH

Hyperbolic Geometry Student Seminar 

Meets 2:45PM - 3:45PM, Rm. 3209

Speaker: Ms. Viveka Erlandsson (CUNY Graduate Center)

Topic: "Complex hyperbolic geometry, cont’d”

CUNY Geometry and Topology Seminar 

website: http://comet.lehman.cuny.edu/behrstock/seminar/

Meets 4:00PM, Rm. 4214-03

Speaker: Christina Sormani (Lehman College & The Graduate Center)

Title: “Covering Spectra of Riemannian manifolds and Metric spaces”

Computer Science Colloquium

website: http://cslogic.info/colloquium/

Meets 4:15PM - 5:30PM, Rm. 9204/9205

Speaker: YingLi Tian (City College, CUNY)

Title: TBA

RTG Number Theory Seminar (for Graduate Students and Post Docs Only)

website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html

(Rotates between The CUNY Graduate Center, Columbia University, and NYU)

Meets today at Columbia Univ.: 4:00PM - 4:45PM in Rm. 612

TEA: 5:00PM - 5:30PM served in the Math Lounge on the 5th floor

Speaker: Sophie Morel (IAS, Princeton) 

Title: TBA

New York Joint Number Theory Seminar

website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html

(Rotates between The CUNY Graduate Center, Columbia University, and NYU)

Meets today at Columbia Univ.: 5:30PM – 7:00PM, Rm. 312 

TEA: 5:00PM - 5:30PM served in the Math Lounge on the 5th floor

Speaker: Sophie Morel (IAS, Princeton) 

Title: TBA

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FRIDAY, MARCH 6TH

Set Theory Seminar

website: http://nylogic.org/SetTheory/Spring2009

Meets 10:00AM, Rm. 6417

Speaker: Samuel Coskey (CUNY Graduate Center)

Title: “Borel equivalence relations”

New York Algebra Colloquium  

website: http://websupport1.citytech.cuny.edu/Faculty/adouglas/NYALGCOL.html

Meets 10:30AM - 11:30AM, Rm. 3209

Speaker: Adrien Deloro (Rutgers Univ.)

Title: “Ranked groups, the Cherlin-Zilber conjecture, and PSL2”

Complex Analysis and Dynamics Seminar 

website: http://qcpages.qc.cuny.edu/~zakeri/seminar.html

Meets 2:00PM - 3:00PM, Rm. 4419

Speaker: William Goldman (Univ. of Maryland at College Park)
Title: TBA

CUNY Statistics Seminar

website: http://math.hunter.cuny.edu/draghice/Seminar.html

Meets 3:00PM - 4:00PM, Rm. 7314

Speaker: TBA

Title: TBA

Collaborative Number Theory Seminar  

website: http://www.sci.ccny.cuny.edu/~chinta/seminars/cnts.html

Meets 4:00PM - 5:30PM, Rm. 4422

Speaker: Kenneth Kramer (Queens College & The CUNY Graduate Center)

Title: “Abelian surfaces of odd conductor: existence, non-existence and modularity”

Commutative Algebra & Alg. Geom. Seminar 

website: http://websupport1.citytech.cuny.edu/faculty/lghezzi/seminar.html

Meets 4:00PM - 5:00PM, Rm. 6417

The seminar today will be part of the Colloquiumfest; see: http://math.usask.ca/fvk/Mb8.htm

New York Group Theory Seminar 

website: http://www.grouptheory.org/

Meets 4:00PM - 5:00PM; Rm. 5417

Tea at 3:30PM in the Math Lounge, Rm. 4214

Speaker: Mahmood Sohrabi (Carleton Univ.)

Title: “Characterizing groups elementarily equivalent to a free nilpotent group of finite rank”

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TUESDAY, MARCH 10TH

Complex Analysis & Dynamical Systems Student Seminar

website: http://qcpages.qc.cuny.edu/~yjiang/HomePageYJ/LinkPages/2009SpringStudentSeminars.html

Meets 11:30AM - 1:00PM, Rm. 4214-03

Speaker: Mr. Mike Beck (CUNY Graduate Center)

Title: “Teichmuller space of a closed set in the Riemann sphere, I”

Differential Geometry Seminar  

website: http://comet.lehman.cuny.edu/sormani/seminars/difflie.html

Meets 3:00PM - 4:00PM, Rm. 3209

Speaker: TBA

Topic: TBA

Cyclotomic Fields Study Group 

Meets 5:00PM - 7:00PM, Rm. 4214-03

No meeting today

Algebraic and Numerical Computations Seminar

Meets 6:30PM - 8:15PM, Rm. 3212

Speaker: Victor Pan (Lehman College & The CUNY Graduate Center)

Topic: "Polynomial and Rational Interpolation and Structured Matrices, II"

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WEDNESDAY, MARCH 11TH

Topology Seminar 

website: http://math.hunter.cuny.edu/~mbenders/seminar.html
Meets 5:00PM - 6:00PM, Rm. 4214.03

Speaker: Rob Thompson (Hunter College & The CUNY Graduate Center)

Title: TBA

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THURSDAY, MARCH 12TH

Hyperbolic Geometry Student Seminar 

Meets 2:45PM - 3:45PM, Rm. 3209

Speaker: TBA

Title: TBA

CUNY Geometry and Topology Seminar 

website: http://comet.lehman.cuny.edu/behrstock/seminar/

Meets 4:00PM, Rm. 4214-03

Speaker: Denis Osin (Vanderbilt Univ.)

Title: TBA

Computer Science Colloquium

website: http://cslogic.info/colloquium/

Meets 4:15PM - 5:30PM, Rm. 9204/9205

Speaker: Steve Zdancewic ((Univ. of Pennsylvania)

Tiitle: “Aura: A Programming Language with Authorization and Audit” 

RTG Number Theory Seminar (for Graduate Students and Post Docs Only)

website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html

(Rotates between The CUNY Graduate Center, Columbia University, and NYU)

Meets today at The CUNY Graduate Center: 4:00PM - 4:45PM in Rm. C415

TEA: 5:00PM - 5:30PM served in Rm. C415, C-level: one floor down from lobby

Speaker: Robert Rumely (Univ. of Georgia) 

Title: “P-adic complex numbers and the Berkovich Line”

New York Joint Number Theory Seminar

website: http://math.gc.cuny.edu/seminars/jointnumbertheory.html

(Rotates between The CUNY Graduate Center, Columbia University, and NYU)

Meets today at The CUNY Graduate Center: 5:30PM - 7:00PM, Rm. C415

TEA: 5:00PM - 5:30PM served in Rm. C415, C-level: one floor down from lobby

Speaker: Robert Rumely (Univ. of Georgia) 

Title: "The Berkovich Julia set of a rational function and the equicontinuity locus"

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FRIDAY, MARCH 13TH

New York Algebra Colloquium  

website: http://websupport1.citytech.cuny.edu/Faculty/adouglas/NYALGCOL.html

Meets 10:30AM - 11:30AM, Rm. 3209

Speaker: Margaret Dean (BMCC, CUNY)

Title: “Embedding a wreath product in a skew field of fractions”

Complex Analysis and Dynamics Seminar 

website: http://qcpages.qc.cuny.edu/~zakeri/seminar.html

Fridays, 2:00PM - 3:00PM, Rm. 4419

Speaker: Hiroshige Shiga (Tokyo Institute of Tech.)
Title: TBA

CUNY Logic Workshop 

website: http://nylogic.org/Workshop

Meets 2:00PM - 3:30PM, Rm. 6417

Speaker: John Bourke (Bucknell Univ.)

Title: TBA

Algebra & Cryptography Seminar  

website: http://www.sci.ccny.cuny.edu/~shpil/algcryp.html

Meets 2:30PM - 3:30PM, Rm. 8405

Speaker: Marina Pudovkina (Moscow Engineering Physics Institute)

Title: “Group properties of generalized Feistel ciphers”

CUNY Statistics Seminar

website: http://math.hunter.cuny.edu/draghice/Seminar.html

Meets 3:00PM - 4:00PM, Rm. 7314

Speaker: Alessandra Giannini (The Earth Institute at Columbia Univ.)

Title: "Climate change in the African Sahel" 

Collaborative Number Theory Seminar  

website: http://www.sci.ccny.cuny.edu/~chinta/seminars/cnts.html

Meets 4:00PM - 5:30PM, Rm. 4422

Speaker: Jayce Getz (Princeton/IAS)

Title: “Relative trace formulae with a view towards unitary groups”

Commutative Algebra & Alg. Geom. Seminar 

website: http://websupport1.citytech.cuny.edu/faculty/lghezzi/seminar.html

Meets 4:00PM - 5:00PM, Rm. 6417

Speaker: Fabrizio Zanello (Michigan Tech Univ.)

Title: “On the structure of pure O-sequences”

New York Group Theory Seminar 

website: http://www.grouptheory.org/

Meets 4:00PM - 5:00PM; Rm. 5417

Tea at 3:30PM in the Math Lounge, Rm. 4214

Speaker: Alexander V. Mikhalev (Moscow State Univ.)

Title: “Prime radical of linear groups and Lie algebras”

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MONDAY, MARCH 16TH

NYC Category Theory Seminar

website: http://www.sci.brooklyn.cuny.edu/~noson/CTseminar.html

Meets 6:00PM - 7:00PM, Rm. 4421

Speaker: Mr. Louis Thrall (CUNY Graduate Center)

Title: TBA

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SPECIAL EVENTS

FRIDAY, MARCH 6TH & SATURDAY, MARCH 7TH

  “The Eighth Colloquiumfest”

The Eighth Colloquiumfest, to take place at the CUNY Graduate Center, will present invited talks on valuation theory and algebraic geometry, orderings and model theory.

Tentative list of speakers: Dale Cutkosky (Missouri); Samar El Hitti (NYC College of Technology); Sara Faridi (Dalhousie);

Krishna Hanumanthu (Univ. of Kansas at Lawrence); Olga Kashcheyeva (Univ. of Illinois at Chicago); Kiran Kedlaya (MIT)

Hagen Knaf (Kaiserslautern); Edward Mosteig (Loyola Marymont); Philipp Rothmaler (Ohio State Univ.) Michael Temkin (Univ. of Pennsylvania).

For more info, see: http://math.usask.ca/fvk/Mb8.htm.

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MONDAY, MARCH 9TH – THURSDAY, MARCH 12TH

 “Geometric and Asymptotic Group Theory with Applications” Conference

To take place at Stevens Institute of Technology, Hoboken NJ.

Tentative list of main speakers: Gilbert Baumslag (CUNY); Joan Birman (Columbia Univ.); Volker Diekert (Univ. of Stuttgart);

Rostislav Grigorchuk (Texas A&M); Misha Gromov (IHES & NYU); Fritz Grunewald (Univ. of Dusseldorf); Yuri Gurevich (Microsoft);

Leonid Levin (Boston Univ.); Alex Lubotzky (Hebrew Univ.); Alexander Ol'shanskii (Vanderbilt Univ.); Mark Sapir (Vanderbilt Univ.) Efim Zelmanov (Univ. of Cal., San Diego).

For more info, see: http://www.algebraforum.org/conference/.

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  FRIDAY, MARCH 20TH & SATURDAY, MARCH 21ST

  “A Conference in Teichmüller Theory and Related Topics In Honor of the 70th Birthday of Frederick P. Gardiner”

To be held at the CUNY Graduate Center.  Tentative List of Speakers: Ara Basmajian (CUNY); Andre de Carvalho (Univ. of Sao Paulo);

Clifford Earle (Cornell, Warwick); William Harvey (King's College); Yunping Jiang (CUNY); Nikola Lakic (CUNY); Linda Keen (CUNY); Irwin Kra (Stony Brook); Howard Masur (Univ. of Chicago); Dennis Sullivan (CUNY and Stony Brook); Scott Wolpert (Univ. of Maryland).

For more info, see: http://userhome.brooklyn.cuny.edu/rchamanara/Fred.

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  FRIDAY, APRIL 3RD – SUNDAY, APRIL 5th

Philosophy of Mathematics Conference

To be held at New York University through the Department of Philosophy.  Attendance is open, and there is no registration fee.  However, anyone planning to attend must register by emailing shievak@hotmail.com no later than February 31st, 2009. 

List of Speakers: John Burgess (Princeton Univ.); Matthew Foreman (Univ. of California, Irvine); Haim Gaifman (Columbia Univ.);

Joel Hamkins (CUNY); Kai Hauser (ICREA and Universitat de Barcelona, & Technische Universität Berlin); Peter Koellner (Harvard Univ.); Stewart Shapiro (Ohio State Univ.); Stephen Simpson (Pennsylvania State Univ.); William Tait (Univ. of Chicago); Neil Tennant (Ohio State Univ.); W. Hugh Woodin (Univ. of California, Berkeley).

For more info, see: http://homepages.nyu.edu/~sjk362/NYU_Conference.html.

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  FRIDAY, APRIL 17TH – SUNDAY, APRIL 19TH

  “24th Annual Geometry Festival in memory of Detlef Gromoll”

To be held at SUNY Stony Brook, Stony Brook, NY [Long Island]. 

Speakers include: Jeff Cheeger (NYU); Marcos Dajczer (Instituto de Matematica Pura e Aplicada); Karsten Grove (Univ. of Notre Dame); Wolfgang Meyer (Westfälische Wilhelms-Universität Münster); Gabriel Paternain (Univ. of Cambridge); Christina Sormani (Lehman College & The

CUNY Graduate Center); Guofang Wei (Univ. of California, Santa Barbara).

For further info, see: http://www.math.sunysb.edu/geomfest09/.

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