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

----------- Fall 2009 | No. 9 | Tuesday, Oct. 20, 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. 20TH

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 6495  

Speaker: Mark Stern (Duke Univ.)

Title: “The Geometry of Stable Yang-Mills connections”

Computational Logic Seminar

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

Speaker: Sergei Artemov (CUNY Graduate Center)

Title: “Rational decisions in non-probabilistic settings”

Study Group in Algebraic Number Theory 

Meets 3:00PM - 5:00PM, Rm. 4214-03  

No meeting today

CUNY Probability Seminar

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

Meets 4:00PM, Rm. 5417

Speaker Ron Peled (Courant-NYU)

Title: “Gravitational Allocation to Poisson Points”

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, III”

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     WEDNESDAY, OCT. 21ST

Einstein Chair Seminar in Topology and Quantum Objects

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

Meets 2:00PM, Rm. 6417

Speaker: Joan Millès (Université Nice)

Title: “André-Quillen cohomology theory of an algebra over an operad”

CUNY Topology Seminar

Meets 5:00PM, Rm. 4214.03

Speaker: Joel Zablow (Long Island Univ., Brooklyn campus)

Title: “The Dehn Quandle and its Homology, with Applications to Lefschetz Fibrations”

Restaurant: TBA

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THURSDAY, OCT. 22ND

Impromptu Seminar in Arithmetic Geometry

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

Note: speakers & topics will vary each week

Student Logic Seminar

website: website: http://nylogic.org/StudentSeminar

Meets 2:00PM - 4:00PM, Rm. 4421

Speaker: Mr. Norman Perlmutter (CUNY Graduate Center)

Title: “Kunen's Theorem”

New York Number Theory Seminar  

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

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

Speaker: Richard Bumby (Rutgers Univ.)

Title: “The amazing discriminant 165” 

CUNY Geometry and Topology Seminar

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

Meets 4:00PM - 6:00PM, Rm. 6496 

Speaker: Cynthia Curtis (College of New Jersey) 

Title: “The Jones polynomial and boundary slopes of alternating 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 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: Mihnea Popa (Univ. of Illinois at Chicago)

Title: “BGG correspondence and the cohomology of compact Kaehler manifolds”

Computer Science Colloquium

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

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

Speaker: Dina Sokol (Brooklyn College & The CUNY Graduate Center)

Title: “TRedD - A database for Tandem Repeats over the Edit Distance”

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: Mihnea Popa (Univ. of Illinois at Chicago)

Title: “BGG correspondence and the cohomology of compact Kaehler manifolds”

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     FRIDAY, OCT. 23RD

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, 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 Galois Extensions with Specified Galois Groups, II”

Set Theory Seminar

Meets 10:30AM, Rm. 6417

Speaker: Mr. Douglas McLellan

Title: “A Dense Subset Of The Real Line On Which The Ordering Defines A Unique Metric Structure”

Student Topology & Geometry Seminar

Meets 12:00PM – 1:30PM, Rm. 8405

Speaker: Mr. Dustin Mulcahey (CUNY Graduate Center)

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: Eran Makover (Central State Univ. of Connecticut)

Title: “Systole Growth on Riemann Surface”

Algebra & Cryptography Seminar 

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

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

Speaker: Xiaowen Zhang (College of Staten Island, CUNY)

Title: “Logical Analysis of RFID Authentication Protocols” 

Applied Mathematics Seminar 

Meets 4:00PM - 5:00PM, Rm. 3209 

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

Speaker: Tim S.T. Leung (Johns Hopkins Univ.)

Title: “Pricing American Option on Non-traded Asset in a Regime-Switching Market”

Collaborative Number Theory Seminar  

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

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

Speaker: Shuichiro Takeda (Purdue Univ.)

Title: “On the non-vanishing problem of theta lifts”

Commutative Algebra & Alg. Geom. Seminar 

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

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

No meeting this week; we will be at the Special Session on Commutative Algebra and Applications to Algebraic Geometry

at the AMS meeting in University Park, PA.

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: Alexei Miasnikov (McGill Univ. & The CUNY Graduate Center)

Title: “Limits of groups, Cantor-Bendixon rank, and Krull dimension”

Logic and Games Seminar

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

Meets 4:15PM, Rm. 4419   

Speaker: Radu Grosu (SUNY, Stony Brook)

Title: “Finite Automata as Time-Invariant Linear Systems: Observability, Reachability and More”

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     MONDAY, OCT. 26TH

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: “Category theory, Combinatorial Homotopy Theory and Coverings of ‘Spaces’”

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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”

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” 

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, 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

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: 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, 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”

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”

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: TBA

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: TBA

Collaborative Number Theory Seminar  

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

Meets 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: Jooyoun Hong (Southern Connecticut State Univ.)

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: 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

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

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: TBA

Title: TBA

Algebra & Cryptography Seminar 

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

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

Speaker: TBA

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: 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: TBA

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SPECIAL EVENTS

WEDNESDAY, OCT. 21ST

   University Professorship Lecture at NYU by Prof. Hartry Field

Title: “Revising Our Logic”  Meets 6:00PM in Hemmerdinger Hall, 100 Washington Square East, 1st Floor.  Seating is on a first-come, first-served basis and will begin at 5:30 PM. RSVP is required. Registration is not a guarantee of admittance. Please refrain from bringing large bags. 

Hartry Field is a University Professor and a Silver Professor of Philosophy at New York University. Dr. Field's areas of expertise include metaphysics, philosophy of mathematics and philosophy of logic. Dr. Field is the author of Saving Truth from Paradox; Truth and the Absence of Fact; Realism, Mathematics and Modality; and Science Without Numbers, which won the Lakatos Prize. Dr. Field has received fellowships from the National Science Foundation, the National Endowment for the Humanities, and the Guggenheim Foundation.

For more info and to RSVP, see: http://www.nyu.edu/fas/forms/universityprofessorshiplecture09/.

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.  Invited speakers include Inessa Epstein, Ilijas Farah, Greg Hjorth, Justin Moore, Christian Rosendal, Saharon Shelah, Slawomir Solecki and Jindrich Zapletal.  Talks begins Oct. 23rd at 4PM; Oct. 24th at 9:30AM; and Oct. 25th at 10:00AM.   

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