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

----------- Fall 2009 | No. 10 | Tuesday, Oct. 27, 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, OCT. 27TH

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 6495  

Speaker: Lan-Hsuan Huang (Columbia Univ.)

Title: “Rigidity results on hemispheres”

Computational Logic Seminar

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

Speaker: Ms. Loes Olde Loohuis (CUNY Graduate Center)

Title: “Obligations in a Responsible World”

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

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

Meets 4:00PM, Rm. 5417

Speaker: Elena Kosygina (Baruch College & The CUNY Graduate Center)

Title: “Limit laws of excited random walks on integers” 

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, I”

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THURSDAY, OCT. 29TH

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 - 4:00PM, Rm. 4214-03

Speaker: TBA

Topic: “Believing the Axioms”

Note: We will have an open discussion of Penelope Maddy's articles, “Believing the Axioms 1 & 2”

New York Number Theory Seminar  

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

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

No meeting today - Lehman math department meeting

CUNY Geometry and Topology Seminar

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

Meets 4:00PM - 6:00PM, Rm. 6496 

Speaker: Roland van der Veen (KdV Institute, Univ. of Amsterdam)

Title: “Quantum Schur-Weyl duality and twisted torus knots”

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 NYU, Courant Institute

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

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

Speaker: Zeev Rudnick (IAS)

Title: "Lattice Points on Circles and Spheres and Nodal Sets of Eigenfunctions of the Laplacian"

Computer Science Colloquium

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

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

Speaker: Patrick Louis Combettes (Univ. Paris 6)

Title: "From Projection to Proximal Methods in Inverse Problems"

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, Courant Institute

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

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

Speaker: Zeev Rudnick (IAS)

Title: "Lattice Points on Circles and Spheres and Nodal Sets of Eigenfunctions of the Laplacian" 

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     FRIDAY, OCT. 30TH

Complex Dynamical Systems Student Seminar

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

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

Speaker: Mr. Tao Chen (CUNY Graduate Center)

Title: “On canonical Thurston obstructures for branched covers of two sphere, II”

Graduate Student Number Theory Seminar

Meets 10:30AM, Rm. 8404

Two talks today:

Speaker 1:  Mr. Satayand Singh (CUNY Graduate Center)

Title: “Quantum integers”

Speaker 2: Ms. Tanja Haxoviq (CUNY Graduate Center)

Title: “Formal power series and polynomials”

Kolchin Seminar in Differential Algebra

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

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

Speaker: Benjamin Antieau (Univ. of Illinois at Chicago)

Title: “Galois Theory of Difference Equations with Difference Parameters”

Student Topology & Geometry Seminar

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

Speaker: Mr. Dustin Mulcahey (CUNY Graduate Center)

Title: "How to compute even more homotopy groups of spheres"

Model Theory Seminar

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

Meets 12:30PM, Rm. 6417

Speaker: Ms. Erin K. Carmody (CUNY Graduate Center)

Title: “Condensing linear orderings”

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”

Special Computer Science Talk

Meets 1:00PM, Rm. 4421

Speaker: Phillipe Jégou (Université Aix-Marseille)

Title: “On the Decomposition of Constraint Satisfaction Problems"

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):

1:30PM - 2:30PM

Speaker: Dragomir Saric (Queens College & The CUNY Graduate Center)

Title: “Circle Homeomorphisms and Shears”

3:00PM - 4:00PM

Speaker: Laura DeMarco (Univ. of Illinois at Chicago)

Title: “Polynomial Dynamics and Critical Heights”

CUNY Statistics Seminar  

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

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

Speaker: Elizabeth Sklar (Brooklyn College)

Title: “Finding the Untold Story: What Can the Data Tell Us?”

Applied Mathematics Seminar 

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

Meets 4:00PM - 5:00PM, Rm. 3209 

Speaker: Tamay Ozgokmen (Univ. of Miami)

Title: “Large Eddy Simulations of Mixed Layer Instabilities and Sampling Strategies”

Collaborative Number Theory Seminar  

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

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

Speaker: Maria Sabitova (Queens College)

Title: “Artin root numbers of abelian varieties”

Commutative Algebra & Alg. Geom. Seminar 

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

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

Speaker: Jooyoun Hong (Southern Connecticut State Univ.)

Title: "Chern numbers of parameter ideals, part II"

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: Tullia Dymarz (Yale Univ.)

Title: “Bilipschitz equivalence is not equivalent to quasi-isometric equivalence for finitely generated groups”

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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: 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: “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

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 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: 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: 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, Rm. 312

TEA: 5:00-5:30 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

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}”

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: TBA

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: TBA

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: TBA

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: 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 - 5:15PM, 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 4:00PM, 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: TBA

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 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: 5:00 - 5:30 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 of 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 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: 5:00 - 5:30 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 of Mahler” 

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FRIDAY, NOV. 13TH

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 is spring”

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: TBA

Title: TBA

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, 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: 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: TBA

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SPECIAL EVENTS

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