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

----------- Fall 2009 | No. 6 | Tuesday, Sept. 29, 2009 -----------

Unless otherwise noted, all seminars 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.  Note: A pdf version of this bulletin is attached in case the formatting of the text below is thrown off on your screen.

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TUESDAY, SEPT. 29TH

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 8402

No meeting today - GC classes follow a Monday schedule

Study Group in Algebraic Number Theory 

Meets 3:00PM - 5:00PM, Rm. 4214-03  

No meeting today - GC classes follow a Monday schedule

Algebraic and Numerical Computations Seminar

Meets 6:30PM - 8:30PM, Rm. 3306

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

No meeting today - GC classes follow a Monday schedule

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WEDNESDAY, SEPT. 30TH

Topology Seminar 

Meets 5:00PM - 6:00PM, Rm. 4214.03

Speaker: Birgit Richter (Universität Hamburg)

Title: “Some features of Galois extensions of structured ring spectra”

Restaurant following talk: TBA

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THURSDAY, OCT. 1ST            

Impromptu Seminar in Arithmetic Geometry

Meets 2:00PM - 3:30PM, Rm. 4419

Note: speakers & topics will vary each week

New York Number Theory Seminar

Meets 3:00PM, Rm. 4214-03

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

Title: “Phase transitions and Fibonacci numbers”

CUNY Geometry and Topology Seminar 

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

Meets 4:00PM – 6:00PM, Rm. 6496 

No regular seminar today; go to “Finitely Presented Groups: Where do we go from here?” at City College [See: http://grouptheory.org/conferences-1/finitely-presented-groups-where-do-we-go-from-here/]

Computer Science Colloquium

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

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

Speaker: Rave Harpaz (Columbia Univ.)

Title: TBA

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     FRIDAY, OCT. 2ND

Set Theory Seminar  

website: http://nylogic.org/SetTheory/Fall2009

Meets Fridays, 10:00AM - 11:45AM, Rm. 6417

Speaker: Mr. Norman Perlmutter (CUNY Graduate Center)

Title: “The consistency of MA + ¬CH”

Complex Dynamical Systems Student Seminar

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

Meets 10:30AM - 12:30PM, Rm. 4419

Speaker: Fred Gardiner (Brooklyn College & The CUNY Graduate Center)

Title: “Tracking Moving Points on a Riemann Surface”

Graduate Student Number Theory Seminar

Meets 10:30AM, Rm. 8404

Speaker:  TBA

Title: TBA

Kolchin Seminar in Differential Algebra 

website: http://www.sci.ccny.cuny.edu/~ksda/gradcenter.html                                                                                   Meets 10:30AM - 1:00PM, Rm. 6421 

Speaker: Varadharaj Ravi Srinivasan (Rutgers Univ. at Newark)

Title: “Differential Subfields of Liouvillian Extensions”

Model Theory Seminar

website: http://nylogic.org/Workshop/Calendar?&date-calendar=2009-10-10&mode-calendar=month

Meets 12:00PM, Rm. 6417

Speaker: Mr. D. Dakota Blair (CUNY Graduate Center)

Title: “Cantor's theorems on linear orders”

Student Topology & Geometry Seminar

Meets 12:00PM - 1:30PM, Rm. 8405

Speaker: TBA

Title: TBA

Seminar in Mathematical Aspects of Cryptology

Meets 1:00PM - 2:15PM, Rm. 4214-03

Speaker: Michael Anshel (City College & The CUNY Graduate Center)

Topic: The Status of the P versus NP Problem and its Relation to Cryptography, cont’d.

Complex Analysis and Dynamics Seminar

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

Meets 2:00PM - 3:30PM, Rm. 4419 

Speaker: Frederick Gardiner (Brooklyn College & The CUNY Graduate Ccenter)

Title: “Tracking moving points on a Riemann surface”

CUNY Statistics Seminar  

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

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

Speaker: Andrew Robertson (The Earth Institute at Columbia Univ.)

Title: “Hidden Markov Models for Daily Rainfall Modeling and Dowscaling of Climate Predictions”

Applied Mathematics Seminar 

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

Meets 4:00PM - 5:00PM, Rm. 3209 

Speaker: Jan Vecer (Columbia Univ.)

Title: “Change of Numeraire with Perspective Mapping”

Commutative Algebra & Alg. Geom. Seminar 

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

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

Speaker: Suanne Au (Le Moyne College)

Title: "The equivariant K-theory of toric varieties"

Seminar in Logic & Games:

website: http://web.cs.gc.cuny.edu/~kgb/seminar.html

Meets 4:00PM - 6:15PM, Rm. 4419

Speakers: Adam Elga (Princeton Univ.) & Agustin Rayo (MIT)

Title: "Fragmented belief states and logical omniscience"

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TUESDAY, OCT. 6TH

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 8402

Speaker: Nan Li (Rutgers Univ.)

Title: TBA

Study Group in Algebraic Number Theory 

Meets 3:00PM - 5:00PM, Rm. 4214-03  

Speaker: Alberto Baider (Hunter College & The CUNY Graduate Center)

Title: "Tate's Thesis,” cont’d.

Algebraic and Numerical Computations Seminar

Meets 6:30PM - 8:30PM, Rm. 3306

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

Title: “Displacement structure of matrices and computational applications, I”

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     WEDNESDAY, OCT. 7TH

Topology Seminar 

Meets 5:00PM - 6:00PM, Rm. 4214.03

Speaker: Gerard Walschap (Univ. of Oklahoma)

Title: “Metric fibrations and nonnegative curvature”

Restaurant after talk: TBA

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     THURSDAY, OCT. 8TH

Impromptu Seminar in Arithmetic Geometry

Meets 2:00PM - 3:30PM, Rm. 4419

Note: speakers & topics will vary each week

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

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

[Rotates between CUNY, NYU, and Columbia Univ.]

Meets today at NYU’s Courant Institute  

Meets 4:00PM - 4:45PM, Warren Weaver Hall (WWH), Rm. 317

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

Speaker: Dimitar Jetchev (Hudson River Trading LLC)

Title: “Global Divisibility of Heegner Points and Tamagawa Numbers”

CUNY Geometry and Topology Seminar

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

Meets 4:00PM - 6:00PM, Rm. 6496

Speaker: Jason Manning (SUNY Buffalo)

Title: “Virtually geometric words and Whitehead's algorithm”

Computer Science Colloquium

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

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

Speaker: Heng Ji (Queens College & The CUNY Graduate Center)

Title: TBA

New York Joint Number Theory Seminar 

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

[Rotates between CUNY, NYU, and Columbia Univ.]

Meets today at NYU’s Courant Institute  

Meets 5:30PM - 7:00PM, in Warren Weaver Hall (WWH) Rm. 317

TEA: 5:00 - 5:30 served in  WWH 317

Speaker: Dimitar Jetchev (Hudson River Trading LLC)

Title: “Global Divisibility of Heegner Points and Tamagawa Numbers”

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     FRIDAY, OCT. 9TH

Set Theory Seminar 

website: http://nylogic.org/SetTheory/Fall2009

Meets 10:00AM - 11:30AM, Rm. 6417

Speaker: Mr. Jason Schanker (CUNY Graduate Center)

Title: “Making a measurable cardinal κ indestructible by forcing to add κ+ subsets to κ”

Complex Dynamical Systems Student Seminar

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

Meets 10:30AM - 12:30PM, Rm. 4419

Speaker: Mr. Oleg Muzician (CUNY Graduate Center)

Title: “On barycenter extensions of quasisymmetric homeomorphisms, I”

Kolchin Seminar in Differential Algebra 

website: http://www.sci.ccny.cuny.edu/~ksda/gradcenter.html                                                                                   Meets 10:30AM - 1:00PM, Rm. 6421 

Speaker: Rahim Moosa (Univ. of Waterloo)

Title: “Differential Arcs and the Infinite-Dimensional Zilber Dichotomy”

New York Algebra Colloquium   

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

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

Speaker: Aaron Lauda (Columbia Univ.)

Title: “Categorifying quantum groups”

Model Theory Seminar

website: http://nylogic.org/Workshop/Calendar?&date-calendar=2009-10-10&mode-calendar=month

Meets 12:00PM, Rm. 6417

Speaker: TBA

Title: “Uncountable dense linear orderings”

Student Topology & Geometry Seminar

Meets 12:00PM - 1:30PM, Rm. 8405

Speaker: TBA

Title: TBA

Seminar in Mathematical Aspects of Cryptology

Meets 1:00PM - 2:15PM, Rm. 4214-03

Speaker: Michael Anshel (City College & The CUNY Graduate Center)

Topic: The Status of the P versus NP Problem and its Relation to Cryptography, cont’d.

Complex Analysis and Dynamics Seminar

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

The seminar will feature two talks today; note the different times:

Talk I: 1:30PM - 2:30PM, Rm. 4419 

Speaker: Dragomir Saric (Queens College, CUNY)

Title: TBA

Talk II: 3:00PM - 4:00PM, Rm. 4419 

Speaker: Guangyuan Zhang (Tsinghua Univ. of Beijing & The CUNY Graduate Center)

Title: “Best Bound for the Area-Length Ratio in Ahlfors' Covering Surface Theory”

CUNY Logic Workshop  

website: http://nylogic.org/Workshop

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

Speaker: Rahim Moosa (Univ. of Waterloo)

Title: “Canonical bases, jets, and the Zilber dichotomy”

Algebra & Cryptography Seminar 

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

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

Speaker: Vladimir Shpilrain (City College & The CUNY Graduate Center)

Title: “Zero-knowledge authentication by the Sherlock Holmes method”

CUNY Statistics Seminar  

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

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

Speaker: Mr. Benjamin Baumer (The CUNY Graduate Center)

Title: TBA

Applied Mathematics Seminar 

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

Meets 4:00PM - 5:00PM, Rm. 3209 

Speaker: Gerardo Hernandez-del-Valle (Columbia Univ.)

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: Lars Winther Christensen (Texas Tech Univ.)

Title: “Floor plans in local algebra”

New York Group Theory Seminar    

website:  http://www.grouptheory.org/

Meets 4:15PM - 5:15PM, Rm. 5417; Tea beforehand at 3:30PM in the Math Lounge, Rm. 4214

Speaker: Gilbert Baumslag (City College, & The CUNY Graduate Center) 

Title: “Some unanswered questions to think about”

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     TUESDAY, OCT. 13TH

CUNY Probability Seminar

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

Meets 4:00PM, Rm. 5417

Speaker: David Mason (Univ. of Delaware)

Title: “Large Self-normalized Levy process distributional behavior at small time and large time”

Study Group in Algebraic Number Theory 
Meets 3:00PM - 5:00PM, Rm. 4214-03  
Speaker: Alberto Baider (Hunter College & The CUNY Graduate Center)
Title: "Tate's Thesis, cont’d”

Algebraic and Numerical Computations Seminar

Meets 6:30PM - 8:30PM, Rm. 3306

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

Title: “Displacement structure of matrices and computational applications, II”

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     THURSDAY, OCT. 15TH

Impromptu Seminar in Arithmetic Geometry

Meets 2:00PM - 3:30PM, Rm. 4419

Note: speakers & topics will vary each week

CUNY Geometry and Topology Seminar

Meets 4:00PM - 6:00PM, Rm. 6496

Speaker: Ara Basmajian (Hunter College & The CUNY Graduate Center)

Title: TBA

RTG New York Joint Number Theory Seminar

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

[Rotates between CUNY, NYU, and Columbia Univ.]

Meets today at Columbia University

Meets 4:00PM - 4:45PM, Rm. 622

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

Speaker: Yannan Qiu (Columbia Univ.)

Title: “SO(2,2) Periods of Non Tempered SO(3,2) Representations”

Computer Science Colloquium

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

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

Speaker: Hugo Scolnik (Universidad de Buenos Aires, Argentina) 

Title: TBA

New York Joint Number Theory Seminar   

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

[Rotates between CUNY, NYU, and Columbia Univ.]

Meets today at Columbia University

Meets 5:30PM - 7:00PM, in Rm. 312

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

Speaker: Yannan Qiu (Columbia Univ.)

Title: “SO(2,2) Periods of Non Tempered SO(3,2) Representations”

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FRIDAY, OCT. 16TH 

Set Theory Seminar 

website: http://nylogic.org/SetTheory/Fall2009

Meets 10:00AM - 11:30AM, Rm. 6417

Speaker: Stephen Jackson (Univ. of North Texas)

Title: “Partition Properties under Determinacy”

Complex Dynamical Systems Student Seminar

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

Meets 10:30AM - 12:30PM, Rm. 4419

Speaker: Mr. Oleg Muzician (CUNY Graduate Center)

Title: “On barycenter extensions of quasisymmetric homeomorphisms, II”

Kolchin Seminar in Differential Algebra 

website: http://www.sci.ccny.cuny.edu/~ksda/gradcenter.html                                                                                   Meets 10:30AM - 1:00PM, Rm. 6421 

Speaker: Mara Neusel (Yale Univ./Texas Tech Univ.)

Title: TBA

New York Algebra Colloquium   

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

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

Speaker: Marcos Zyman (BMCC, CUNY)

Title: “IA-automorphisms of various classes of groups”

Student Topology & Geometry Seminar

Meets 12:00PM - 1:30PM, Rm. 8405

Speaker: TBA

Title: TBA

Seminar in Mathematical Aspects of Cryptology

Meets 1:00PM - 2:15PM, Rm. 4214-03

Speaker: Michael Anshel (City College & The CUNY Graduate Center)

Topic: The Status of the P versus NP Problem and its Relation to Cryptography, cont’d.

Complex Analysis and Dynamics Seminar

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

Meets 2:00PM - 3:30PM, Rm. 4419 

Speaker: Joseph Maher (College of Staten Island, CUNY)

Title: “Generic elements in the mapping class group”

CUNY Logic Workshop  

website: http://nylogic.org/Workshop

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

Speaker: Benedikt Löwe (Universiteit van Amsterdam)

Title: “Applications of partition properties to choiceless set theory”

Applied Mathematics Seminar 

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

Meets 4:00PM - 5:00PM, Rm. 3209 

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: TBA

Title: TBA

CUNY Statistics Seminar  

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

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

Speaker: Mr. Benjamin Baumer (CUNY Graduate Center)

Title: “A Survey of Methods for the Statistical Evaluation of Defensive Ability in Major League Baseball”

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SPECIAL EVENTS

THURSDAY, OCT. 1ST - FRIDAY, OCT. 2ND

   Conference: “Finitely Presented Groups: Where do we go from here?”

The fall 2009 New York Group Theory Seminar begins with a two-day conference at City College, CUNY.

Thursday, Oct 1st is a workshop aimed at graduate students, led by Profs. Gilbert Baumslag and Alexei Miasnikov.

Friday, Oct 2nd, Profs. Mladen Bestvina, Jim Cannon, Peter Kropholler, Zlil Sela, and Bill Thurston speak at CCNY in the Steinman Hall auditorium.

For more info, see: http://rio.sci.ccny.cuny.edu/caissny.org/events-1/GroupsConference/

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FRIDAY, OCT. 23RD – SUNDAY, OCT. 25TH

   Fall 2009 MAMLS Conference

Will be held in Room 705 at the Hill Center on Busch Campus of Rutgers University, in Piscataway, NJ.  For complete info, see:  http://www.math.rutgers.edu/~sthomas/RU2009.html.  Talks begins Oct. 23rd at 4PM; Oct. 24th at 9:30AM; and Oct. 25th at 10:00AM