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

----------- Fall 2009 | No. 7 | Tuesday, Oct. 6, 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. 6TH

Differential Geometry Seminar

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

Meets: 11:00AM - 12:00PM, Rm. 6495

Speaker: Nan Li (Rutgers Univ.)

Title: “Bounding Geometry of Loops in Alexandrov Spaces”

Computational Logic Seminar

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

Speaker: Can Baskent (CUNY Graduate Center)

Title: “Meditations on Subset Space Logic”

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: Rave Harpaz (Columbia Univ.)

Title: “Model-based Linear Manifold Clustering”

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”

Student Topology & Geometry Seminar

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

Speaker: TBA

Title: TBA

Model Theory Seminar

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

Meets 12:30PM, Rm. 6417

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

Title: “Uncountable dense 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.

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 & The CUNY Graduate Center)

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

No meeting today

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

Collaborative Number Theory Seminar  

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

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

Speaker: Alex Kontorovich (Brown Univ./IAS)

Title: “On representations of integers in thin subgroups of SL(2,Z)”

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: “How to accelerate parallel algorithms for solving large systems of equations”

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

Model Theory Seminar

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

Meets 12:30PM, Rm. 6417

Speaker: Mr. Brian Copeland (CUNY Graduate Center)

Title: “Well-orderings and 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 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”

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”

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: 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

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: Charles Miller III (Melbourne Univ.)

Title: “Finitely presented residually free groups”

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MONDAY, OCT. 19TH 

Topology Seminar 

Meets today 5:00PM - 6:00PM, Rm. 4214-03

Speaker: Ethan Devinetz (Univ. of Washington)

Title: "Towards the finiteness of \pi_*L_{K(n)}S^0"

NYC Category Theory Seminar

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

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

Speaker: Fred E.J. Linton (Wesleyan Univ.)

Title: "Something Old, Something New, Something Borrowed, ..."

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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”

Study Group in Algebraic Number Theory 

Meets 3:00PM - 5:00PM, Rm. 4214-03  

Speaker: TBA

Title: TBA

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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THURSDAY, OCT. 22ND

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: 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: 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: Mihnea Popa (Chicago Circle)

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 (Chicago Circle)

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: TBA

Title: TBA

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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: 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: TBA

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: 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 

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: TBA

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: TBA

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: TBA

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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SPECIAL EVENTS

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