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

----------- Fall 2009 | No. 11 | Tuesday, Nov. 3, 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, NOV. 3RD

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 6495  

Speaker: Jeff Streets (Princeton Univ.)

Title: “"Existence of complete conformal metrics of negative Ricci curvature on manifolds with boundary"

Computational Logic Seminar

Meets 2:00PM - 4:00PM, Rm. 3309

Two talks today:

1. Speaker: Alexander Gavryushkin (Novosibirsk/Notre Dame)

Title: “Spectra of Decidable Models of Ehrenfeucht Theories”

2. Speaker: Alexandra Gavryushkina (Novosibirsk/Notre Dame)

Title: “On Automatic Linear and Partial Orders”

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: “Randomization for solving general linear systems, II”

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THURSDAY, NOV. 5TH

Impromptu Seminar in Arithmetic Geometry

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

Note: speakers & topics will vary each week

Student Logic Seminar

website: http://nylogic.org/StudentSeminar

Meets 2:00PM, Rm. 4421

Speaker TBA

Title: “Believing the Axioms, II”

New York Number Theory Seminar

website: http://www.math.rutgers.edu/~bumby/nyntsem/

Meets 3:00PM - 4:00PM, Rm. 4214-03        

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

Title: “Gromov's theorem according to Shalom and Tao”

CUNY Geometry and Topology Seminar

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

Meets 4:00PM - 6:00PM, Rm. 6496 

Two talks today:

Speaker I: Jeremy Kahn (SUNY Stony Brook)

Title: TBA

Speaker II: Chloe Perin (Hebrew Univ.)

Title: “Definable subsets and cyclic subgroups of the free group”

RTG New York Joint Columbia-CUNY-NYU 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: 5:00PM - 5:30PM served in the Math Lounge on the 5th floor

Speaker: Xinyi Yuan (Harvard Univ.)

Title: “P-adic Calabi Theorem and Algebraic Dynamical Systems”

Computer Science Colloquium

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

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

Speaker: Sinan Aral (NYU)

Title: “Distinguishing Influence Based Contagion from Homophily Driven Diffusion in Dynamic Networks”

New York Joint Columbia-CUNY-NYU 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, Rm. 312

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

Speaker: Xinyi Yuan (Harvard Univ.)

Title: “P-adic Calabi Theorem and Algebraic Dynamical Systems”

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FRIDAY, NOV. 6TH

Set Theory Seminar

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

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

Speaker: Gunter Fuchs (CUNY)

Title: “An invitation to inner model theory”

Complex Dynamical Systems Student Seminar

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

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

Speaker: Mr. Hengyu Zhou (CUNY Graduate Center)

Title: “On combinatorial characterization of \lambda e^{z}”

Graduate Student Number Theory Seminar

Meets 10:30AM - 11:30AM, Rm. 8404

Speaker: Mr. Satayand Singh (CUNY Graduate Center)

Tiitle: “Introduction to quantum integers”

Kolchin Seminar in Differential Algebra 

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

Speaker: Leonard Scott (Univ. of Virginia)

Title: “Algebraic Group Representations and Related Topics”

New York Algebra Colloquium   

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

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

Speaker: Jim Lepowsky (Rutgers Univ.)

Title: "From the theory of partitions to new structure in vertex operator algebra theory"

Student Topology & Geometry Seminar

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

Speaker: Mr. Joseph Hirsh (CUNY Graduate Center)

Title: "Two Homotopy Versions of Unital-Associative Algebras"

Model Theory Seminar

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

Meets 12:30PM, Rm.6417

Speaker: Mr. Thomas Ferguson (CUNY Graduate Center)

Title: “Ehrenfeucht-Fraissee games”

Complex Analysis and Dynamics Seminar

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

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

Speaker: Joshua Bowman (SUNY Stony Brook)

Title: “Flat Surfaces: Triangulations, Tessellations, and Limits”

CUNY Logic Workshop  

website: http://nylogic.org/Workshop

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

Speaker: Joel David Hamkins (College of Staten Island & The CUNY Graduate Center) 

Title: “The modal logic of forcing with various forcing classes”

Algebra & Cryptography Seminar 

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

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

Speaker: William Skeith (City College of New York)

Title: “Public key encryption with efficient amortized updates”

Applied Mathematics Seminar 

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

Meets 4:00PM - 5:15PM, Rm. 3209 

Two speakers today:

Time: 4:00PM - 4:15PM:

Speaker: Mr. Hongzhong Zhang (The CUNY Graduate Center)

Title: “Formulas for the Laplace Transform of Stopping Times Based on Drawdowns and Drawups”

Time: 4:15PM - 5:15PM

Speaker: Libor Pospisil (Columbia Univ.)

Title: “Pricing Financial Derivatives with Jump-Diffusion Processes, the corresponding partial integro-differential equations and application to maximum drawdown”

Collaborative Number Theory Seminar  

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

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

Speaker: Anthony Weaver (Bronx C.C., CUNY)

Title: "A Diophantine Frobenius Problem: the Largest Non-Genus of a Cyclic Group"

Commutative Algebra & Alg. Geom. Seminar 

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

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

Speaker: Bart Van Steirteghem (Medgar Evers College, CUNY)

Title: “Moduli of affine spherical varieties”

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

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

Meets 4:15PM, Rm. 5417

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

Speaker: Lucas Sabalka (Binghamton Univ.)

Title: “Braid Groups on Graphs”

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TUESDAY, NOV.  10TH

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 6495  

Speaker: Thomas Poole (Stony Brook Univ., SUNY)

Title: “Existence of local isometric immersions: a nonlinear PDE perspective”

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”

CUNY Probability Seminar

Meets 4:00PM, Rm. 5417

Speaker: Dick Gundy (Rutgers Univ.)

Title: "Tilings of R1, scaling functions, and a Markov process"

Algebraic and Numerical Computations Seminar

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

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

Title: “Randomization for solving general linear systems, III”

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THURSDAY, NOV. 12TH

Impromptu Seminar in Arithmetic Geometry

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

Note: speakers & topics will vary each week

CUNY Geometry and Topology Seminar

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

Meets 4:00PM - 6:00PM, Rm. 6496 

Speaker: Alexander Shumakovitch (George Washington Univ.)

Title: TBA

RTG New York Joint Columbia-CUNY-NYU Number Theory Seminar

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

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

Meets today at the CUNY Graduate Center

Meets 4:00PM - 4:45PM, Rm. C415

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

Speaker: Antoine Chambert-Loir (Universite de Rennes 1 & IAS) 

Title: “Heights, Equidistribution, Analytic Spaces, and a Formula for Mahler”  

Computer Science Colloquium

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

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

Speaker: Rohit Parikh (Brooklyn College & The CUNY Graduate Center)

Title: TBA

New York Joint Columbia-CUNY-NYU Number Theory Seminar

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

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

Meets today at the CUNY Graduate Center

Meets 5:30PM - 7:00PM, Rm. C415

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

Speaker: Antoine Chambert-Loir (Universite de Rennes 1 & IAS) 

Title: “Heights, Equidistribution, Analytic Spaces, and a Formula for Mahler”  

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FRIDAY, NOV. 13TH

Set Theory Seminar

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

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

Speaker: Mr. Brent Cody (CUNY Graduate Center)

Title: TBA

Complex Dynamical Systems Student Seminar

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

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

Speaker: Mr. Zhe Wang (CUNY Graduate Center)

Title: “On complex structures on the Techmuller space T(E), I”

Kolchin Seminar in Differential Algebra 

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

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

Speaker: Lourdes Juan (Texas Tech Univ.)

Title: “Differential Central Simple Algebras and Picard-Vessiot Representations”

New York Algebra Colloquium   

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

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

No meeting today

Model Theory Seminar

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

Meets 12:30PM, Rm.6417

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

Title: “Elementary theories of ordinals”

Complex Analysis and Dynamics Seminar

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

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

Speaker: Michael Shub (Univ. of Toronto & The CUNY Graduate Center)

Title: TBA

CUNY Logic Workshop  

website: http://nylogic.org/Workshop

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

Speaker: Kerry Ojakian (Queens College)

Title: “Continuous-Time versus Discrete-Time Computation Over the Reals” 

CUNY Statistics Seminar  

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

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

Speaker: TBA

Title: TBA

Applied Mathematics Seminar 

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

Meets 4:00PM - 5:00PM, Rm. 3209 

Speaker: Carlo Lancellotti (College of Staten Island & The CUNY Graduate Center)

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: ChongGyu Lee (Brown Univ.)

Title: “D-ratio and its applications”

Commutative Algebra & Alg. Geom. Seminar 

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

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

Speaker: Amanda Beecher (U.S. Military Academy) [Host: Janet Striuli]

Title: TBA

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

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

Meets 4:00PM, Rm. 5417

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

Speaker: Dmytro Savchuk (Binghamton Univ.)

Title: “Automata generating free products of groups of order 2” 

Logic and Games Seminar

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

Meets 4:15PM, Rm. 4419   

Speaker: Sonja Amadae (Ohio State Univ.)

Title: “Nash vs. Arrow and Sen: How the Nash Program Unifies the Social Sciences by Recourse to Objective Needs”

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TUESDAY, NOV. 17TH

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 6495  

No meeting today - Workshop on General Relativity at Stony Brook this week

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: TBA

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WEDNESDAY, NOV. 18TH

Einstein Chair Seminar in Topology and Quantum Objects  

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

Meets 2:00PM, Rm. 6417

Speaker: Zhenghan Wang (Senior Researcher, Microsoft Corporation)

Title: “Pictures of curve relations on surfaces can define 2+1 topological quantum”

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THURSDAY, NOV. 19TH

Impromptu Seminar in Arithmetic Geometry

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

Note: speakers & topics will vary each week

CUNY Geometry and Topology Seminar

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

Meets 4:00PM - 6:00PM, Rm. 6496 

Speaker: Rob Schneiderman (Lehman College, CUNY)

Title: TBA

RTG New York Joint Columbia-CUNY-NYU 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 4:00PM - 4:45PM, Warren Weaver Hall, Rm. 317

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

Speaker: David Harbater (Univ. of Pennsylvania) 

Title: TBA

CUNY Geometry and Topology Seminar 

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

Meets 4:00PM - 6:00PM, Rm. 6496 

Speaker: Rob Schneiderman (Lehman College, CUNY)

Title: TBA

Computer Science Colloquium

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

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

Speaker: Nelly Fazio (City College & The CUNY Graduate Center)

Title: TBA

New York Joint Columbia-CUNY-NYU 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, Warren Weaver Hall, Rm. 317

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

Speaker: David Harbater (Univ. of Pennsylvania) 

Title: TBA 

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FRIDAY, NOV. 20TH 

Complex Dynamical Systems Student Seminar

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

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

Speaker: Mr. Zhe Wang (CUNY Graduate Center)

Title: “On complex structures on the Techmuller space T(E), II”

Kolchin Seminar in Differential Algebra 

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

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

Speaker: Richard Cohn (Rutgers Univ., New Brunswick)

Title: TBA

New York Algebra Colloquium   

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

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

Speaker: Hubert de Guise (Lakehead Univ., Canada)

Title: “A general approach to SU(n) quasi-distributions" 

Model Theory Seminar

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

Meets 12:30PM, Rm.6417

Speaker: Mr. Brent Cody (CUNY Graduate Center)

Title: “Infinitary theories of ordinals”

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 1:30PM - 4:00PM today, Rm. 4419                  

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

1:30PM - 2:30PM

Speaker: Zeno Huang (College of Staten Island, CUNY)

Title: “Quasi-Fuchsian Manifolds and Teichmuller Geometry: An Introduction”

3:00PM - 4:00PM

Speaker: Biao Wang (Univ. of Toledo)

Title: “Minimal Surfaces in Quasi-Fuchsian 3-Manifolds”

CUNY Logic Workshop  

website: http://nylogic.org/Workshop

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

Speaker: Victoria Gitman (NYC College of Technology, CUNY)

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

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

Collaborative Number Theory Seminar  

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

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

Speaker: Patrick Ingram (Univ. of Waterloo)

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: Uma Iyer (Bronx C.C., CUNY)

Title: “Differential operators on free algebras”

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

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

Meets 4:00pm, Rm. 5417

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

Speaker: Tatiana Smirnova-Nagnibeda (Université de Genève) 

Title: “Schreier graphs of self-similar groups” 

Logic and Games Seminar

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

Meets 4:15PM, Rm. 4419   

Speaker: Adam Brandenburger (Stern School of Business, NYU)

Title: TBA

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     MONDAY, NOV. 23RD

NYC Category Theory Seminar

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

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

Speaker: Alex Hoffnung (Univ. of California, Riverside)

Title: "The categorified Hecke algebra and the Zamolodchikov tetrahedron equation"

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SPECIAL EVENTS

   FRIDAY, DEC. 4TH

Manhattan Algebra Day

Time: 1:00PM - 5:00PM at the CUNY Graduate Center, Rms. C201/C202.

Organized by Delaram Kahrobaei (NYC Technical College & The CUNY Graduate Center), and Alexei Miasnikov, McGill University and The CUNY Graduate Center.  For further info, write: DKahrobaei@gc.cuny.edu.

For further info, see: [website to come]

   SATURDAY, DEC. 12TH

Special Saturday Meeting of the Kolchin Seminar in Differential Algebra 

Time: 10:30AM at the North Academic Center, Rm. 1/511E of The City College of New York, 160 Convent Ave., New York, NY 10031.

Speaker: Dijiana Jakelic (Univ. of North Carolina, Wilmington)

Title: TBA

For further info & directions, see: http://www.sci.ccny.cuny.edu/~ksda/gradcenter.html

   THURSDAY, DEC. 17TH – FRIDAY, DEC. 18TH

Conference: “What Is the Name of This Conference:” A 90th Birthday Celebration Honoring Raymond Smullyan

To be held at the CUNY Graduate Center.  Organizers: Sergei Artemov and Melvin Fitting (CUNY). Contact email: melvin.fitting@lehman.cuny.edu.

Preliminary Program: Dec. 17th: Dana Scott will speak, from 4:15 to 5:30 in Rms. 9209/9207.  The talk will be followed by a wine and cheese party.  Dec. 18th: Speakers are Robert Cowen, Martin Davis, Jon Michael Dunn, Melvin Fitting, Anil Nerode, and Graham Priest.  The talks will be in Rms. 9209/9207.  Events run from 9:00am to 6:00pm, with coffee breaks and time out for lunch.  Afterwards there will be a dinner, at a restaurant yet to be determined.  Website TBA.