UCLA Topology Seminar


Unless otherwise noted, the seminar meets on Wednesdays and/or
Fridays, 45pm in MS 5148. Please contact Mike
Hill, Ko Honda or Ciprian Manolescu for more information.
Past seminars: 2014/15.
Click on titles for abstracts.
Date  Speaker  Title 

April 6  Nate Dowlin (Princeton)  Knot Floer Homology and KhovanovRozansky Homology of Singular Links 
April 8  Kevin Carlson (UCLA)  Definition of cluster algebras 
April 15  Mike Miller (UCLA)  Cluster algebras of triangulated surfaces 
April 22  Youlin Li (Shanghai Jiao Tong University)  Strong symplectic fillability of contact torus bundles 
April 28  John Pardon (Stanford)  Colloquium: Contact homology 
April 29  John Pardon (Stanford)  Contact homology and virtual fundamental cycles 
May 4  Matt Stoffregen (UCLA)  Toric degenerations 
May 11  Sangjin Lee (UCLA)  Mirror symmetry, exotic Lagrangian tori and cluster algebras, I 
May 13  Jean Gutt (University of Georgia)  Cube capacities 
May 18  Tadashi Tokieda (Cambridge and Stanford)  IPAM Public Lecture: A world from a sheet of paper 
May 20  Jacob Rooney (UCLA)  Mirror symmetry, exotic Lagrangian tori and cluster algebras, II 
May 27  Rui Wang (UC Irvine)  On Hamiltonian GromovWitten theory for symplectic reductions 
June 1  Jacob Rooney (UCLA)  Mirror symmetry, exotic Lagrangian tori and cluster algebras, III 
June 3  Michael Menke (UCLA)  Work of GrossHackingKeelKontsevich on mirror symmetry and cluster algebras 
Date  Speaker  Title 

April 11  Akhil Mathew (Harvard)  Picard groups of structured ring spectra and stable module categories 
April 20  Nicolas Ricka (Wayne State)  A stack structure on local representations of graded Hopf algebra 
April 27  Aaron Royer (UT)  Affinization and the Witt vectors 
May 18  Truls Raeder  Rational Tambara Functors 
Date  Speaker  Title 

Date  Speaker  Title 

January 8  Ian Zemke (UCLA)  Graph cobordism and basepoint moving maps in Heegaard Floer homology 
January 15  Kristen Hendricks (UCLA)  A flexible construction of equivariant Floer cohomology 
January 29  Mike Menke (UCLA)  An introduction to the fourcolor theorem 
February 5  Sangjin Lee (UCLA)  Sutured manifolds and decompositions 
February 12  Jacob Rooney (UCLA)  Instanton homology 
February 19  Haofei Fan (UCLA)  Sutured instanton homology 
February 26  Matt Stoffregen @ 3:30pm (UCLA)  Khovanov homology is an unknotdetector, after KronheimerMrowka 
March 4  Mike Miller (UCLA)  The KronheimerMrowka approach to the fourcolor theorem: I 
March 11  Jianfeng Lin (UCLA)  The KronheimerMrowka approach to the fourcolor theorem: II 
March 30  Bahar Acu (USC)  Gentle introduction to cluster algebras 
Date  Speaker  Title 

January 20  Martin Gallauer  Traces and homotopy colimits 
January 22  Andrew Blumberg (UT)  The Algebraic KTheory of the Sphere Spectrum, the Geometry of HighDimensional Manifolds, and Arithmetic 
January 27  Aravind Asok (USC)  Motivic vector bundles on $P^n$ 
February 3  Julie Bergner (UCR)  Models for homotopical higher categories 
February 17  TBA  TBA 
February 24  Mike Hill (UCLA)  Categorical polynomials and incomplete Tambara functors 
March 2  Michael Andrews (UCLA)  How topologists calculate stable homotopy groups of spheres and some other stuff 
March 16  Bill Kronholm (Whittier)  Convex Neural Codes 
Date  Speaker  Title 

February 8 Caltech: Sloan 153 
Anna Weinhard (University of Heidelberg)  Maximal representations and projective structures on iterated sphere bundles 
February 8 Caltech: Sloan 153 
Shicheng Wang (Peking University)  ChernSimons theory, surface separability, representation volumes, and dominations of 3manifolds 
February 29 MS 5127 
Sheel Ganatra (Stanford)  Automatically generating Fukaya categories and computing quantum cohomology 
February 29 MS 5127 
Eugene Gorsky (UC Davis)  Heegaard Floer homology of some Lspace links 
March 21 USC 
Nicolas Tholozan (Luxembourg)  Compact quotients of pseudoRiemannian hyperbolic spaces 
March 21 
Peter Samuelson (Iowa)  The Homfly skein and elliptic Hall algebras 
Date  Speaker  Affiliation  Title 

Wed September 30  Mike Miller  UCLA  Brown Representability 
Wed October 7  Haofei Fan  UCLA  Spectra and examples following Adams 
Wed October 14  Mike Menke  UCLA  Spectral sequences in stable homotopy 
Fri October 16  Liam Watson  Univ. Glasgow  Taut foliations on graph manifolds 
Mon October 19, 4:305:30pm, LATop (at USC)  Jeff Danciger  UT Austin  Convex projective structures on nonhyperbolic threemanifolds 
Mon October 19, 5:306:30pm, LATop (at USC)  Faramarz Vafaee  Caltech  Lspaces and rationally fibered knots 
Wed October 21  Jacob Rooney  UCLA  AtiyahSegal Completion Theorem 
Fri October 23 (34pm)  Anastasiia Tsvietkova  UC Davis  Hyperbolic structures from link diagrams 
Fri October 23 (45pm)  Danielle O'Donnol  Indiana University  Spatial graph Floer Homology 
Wed October 28  Kevin Carlson  UCLA  Adams' "Prerequisites for Carlsson's...": equivariant stabilization and the transfer 
Thu October 29, 4:505:40pm, Colloquium  Denis Auroux  UC Berkeley  Lagrangian tori, wallcrossing and mirror symmetry 
Wed November 4 (34pm) 
Igor Belegradek 
Georgia Tech 
Spaces of nonnegatively curved metrics 
Wed November 4 (45pm)  Matt Stoffregen 
UCLA 
Carlsson's Proof: statements and outline 
Mon November 16, 45pm, LATop (at Caltech)  Mike Hill  UCLA  A higherheight lift of Rohlin's Theorem: on \eta^3 
Mon November 16, 56pm, LATop (at Caltech)  Joshua Greene  Boston College  Definite surfaces and alternating links 
Wed November 18  Diana Hubbard  Boston College  An annular refinement of the transverse element in Khovanov homology 
Fri November 20  Akram Alishahi  Columbia  Heegaard Floer homology for tangles and cobordisms between them 
Mon November 30, 45pm, LATop (at UCLA, MS 6229)  Ailsa Keating  Columbia  Higherdimensional Dehn twists and symplectic mapping class groups 
Mon November 30, 56pm, LATop (at UCLA, MS 6229)  Hiro Lee Tanaka  Harvard  Factorization homology and topological field theories 
Wed December 2 (34pm)  Ben Cooper  University of Iowa  Formal contact categories 
Wed December 2 (45pm)  Jianfeng Lin  UCLA  Deeper study of Carlsson's proof 