Singularity Theory and Low Dimensional Topology Seminar2015  2016 

The seminars take place on
Wednesdays at 12:00  13:30 in the Main Lecture Room of the
Alfréd Rényi Institute of Mathematics, Hungarian Academy of Sciences.
See also
Algebraic Geometry and Differential Topology Seminar.
September 21  Thomas Banchoff  Triple Points of Immersed and nonImmersed Smooth and Polyhedral Surfaces 
September 28  
October 5  
October 12  
October 19  
October 26  
November 1  
November 8  
November 15  
November 22  
November 29  
December 7  
December 14 
January 20  Paolo Aceto  Trisections of 4manifolds 
January 27  No seminar  
February 3  Pintér Gergő  The boundary of the Milnor fibre in the case of special nonisolated surface singularities I. 
February 10  Pintér Gergő  The boundary of the Milnor fibre in the case of special nonisolated surface singularities II. 
March 2  Stipsicz András  The Upsilon Invariant 
March 9  Fehér László  Holomorphic maps between projective spaces are maximally singular II. 
March 23  Antonio Alfieri  Fourdimensional crosscap number: classical and nonclassical estimates 
April 6  Roman Golovko  Introduction to polyfolds I. 
April 13  NO SEMINAR  
April 27  Roman Golovko  Introduction to polyfolds II. 
May 4  No seminar  
May 11  Gilberto Spano  Twisted Gromov and Lefschetz invariants associated with bundles 
May 18  Szilárd Szabó  Spectral representation of irregular Higgs bundles and stability conditions 
May 25  !13:00!  Keon Choi  Combinatorial ECH for toric manifolds 
June 1  Juhász Máté  Moduli Spaces and Localization on the Quot Scheme 
October 15  Paolo Aceto  Rational homology cobordisms of plumbed 3manifolds 
October 22  Paolo Aceto  Dehn surgeries and rational homology balls 
November 5  Baldur Sigurdsson  Geometric genus and the spectrum of Newton nondegenerate surface singularities 
November 12  Baldur Sigurdsson  On the SeibergWitten invariant of Newton nondegenerate surface singularities 
November 19  András Némethi  Rational singularities, Lspaces and LOgroups (the proof) 
November 26  Antonio Alfieri  LOgroups (see also this paper) 
December 3  Klaus Niederkruger  An exotic contact structure on high dimensional Euclidean spaces (with proofs) 
December 10  Flavien Grycan  Torus actions on 5dimensional contact manifolds 
Jan 21  Stefan Behrens  Heegaard Floer homology and 4manifolds with boundary 
Jan 28  Bodnár Józsi  Universal Abelian covers of Dehn surgeries of S^3 along algebraic knots and their SeibergWitten invariants 
Feb 4  Stefan Behrens  Heegaard Floer homology and 4manifolds with boundary II. 
Feb 11  Stefan Behrens  Heegaard Floer homology and 4manifolds with boundary III. 
Feb 19  Stipsicz András  Lattice homology for knots 
Feb 26  Keon Choi  Computations in ECH I. 
Mar 5  Keon Choi  Computations in ECH II. 
Mar 12  Baldur Sigurdsson  Newton nondegenerate germs and SeibergWitten Invariant Conjecture 
Mar 19  Baldur Sigurdsson  Newton nondegenerate germs and SeibergWitten Invariant Conjecture 
Mar 25  Zsolt Patakfalvi (Princeton)  Moduli spaces of (log)varieties: projectivity and applications 
Apr 2  NO LECTURE  
Apr 9  Tamás László  Poincaré series associated with links of normal surface singularities 
Apr 16  Marco Golla (Pisa)  Stein fillings of contact torus bundles 
Apr 23  Tamás László  Poincaré series associated with links of normal surface singularities II 
Apr 30  No seminar  
May 7  Alvaro Del Pino (Madrid)  A panoramic view of Engel structures 
May 14  Matthias Nagel (Regensburg)  Minimal genus in circle bundles over 3manifolds 
May 21  Diarmuid Crowley (Aberdeen)  New invariants in G_2 topology 
June 4  Johannes Nordstrom (University of Bath)  An analytic invariant of G_2 manifolds 
Sep 17  Keon Choi  Introduction to ECH I. 
Sep 24  Keon Choi  Introduction to ECH II. 
Oct 1  Keon Choi  Introduction to ECH III. 
Oct 8  Keon Choi  Introduction to ECH IV. 
Oct 15  Gilberto Spano  Introduction to ECH for knots 
Oct 22  Eugene Gorsky  Lattice and HeegaardFloer homologies of algebraic links 
Oct 29  Klaus Niederkrüger  Preparation for the Workshop on Nov 1720 I. 
Nov 5  Klaus Niederkrüger  Preparation for the Workshop on Nov 1720 II. 
Nov 12  Klaus Niederkrüger  Preparation for the Workshop on Nov 1720 III. 
Nov 19  Workshop  High dimensional contact geometry and topology 
Nov 26  Bodnár Józsi  Classification of cuspidal curves and HeegaardFloer homology I. 
Dec 3  Bodnár Józsi  Classification of cuspidal curves and HeegaardFloer homology II. 
Dec 10  Pintér Gergő  Immersions associated with holomorphic germs 
Feb 13  Stefan Behrens  Cancellations of critical points of Morse fuctions on 3manifolds 
Feb 19  Helge Møller Pedersen  Splice diagram and universal abelian cover I. 
Feb 26  Helge Møller Pedersen  Splice diagram and universal abelian cover II. 
Mar 05  Pintér Gergő  The regular homotopy type of the immersions associated with a holomorphic germ and terms of EkholmSzűcs formulas I. 
Mar 12  Pintér Gergő  The regular homotopy type of the immersions associated with a holomorphic germ and terms of EkholmSzűcs formulas II. 
Mar 19  Pintér Gergő  The regular homotopy type of the immersions associated with a holomorphic germ and terms of EkholmSzűcs formulas III. 
Mar 26  Vértesi Vera  Legendrian surgery preserves tightness I. 
Apr 2  Vértesi Vera  Legendrian surgery preserves tightness II. 
Apr 9  Etesi Gábor  The strong cosmic censor conjecture and exotic smoothness I. 
Apr 16  Mark Grant  Lower bounds for the topological complexity of groups

Apr 24  Etesi Gábor  The strong cosmic censor conjecture and exotic smoothness II. 
Apr 30  Gyenge Ádám  Hilbertscheme of points on surface singularities I. 
May 7  Gyenge Ádám  Hilbertscheme of points on surface singularities II. 
May 14  Marco Golla  Heegaard Floer correction terms and genus bounds 
May 21  'Low Dimensional Topology' Scientific Session at MTA  Program
Date&Place: 14:00, MTA Székház Kisterme (1051 Budapest, Széchenyi tér 9. II. floor) 
Sep 25  Marco Golla  Branched double covers of contact manifolds 
Oct 2  Mauro Mauricio  On lattice cohomology and leftorderability I. 
Oct 9  Mauro Mauricio  On lattice cohomology and leftorderability II. 
Oct 16  Stipsicz András  Contact structures on high dimensional manifolds (Notice that after this seminar there will be a talk given by András about Exotic 4dimensional manifolds on CEU's Dept.Sem.) 
Oct 30  Fall term break!  
Nov 6  Pintér Gergő  About the links of parametrized surface singularities 
Nov 13  Elia Saini (Sissa, Trieste)  Approximate HermitianYangMills structures on semistable Higgs bundle 
Nov 20  Némethi András  Existence of holomorphic functions on normal surface singularities 
Nov 27  Némethi András  Existence of holomorphic functions on normal surface singularities II. 
Dec 4  Deformation theory week!  
Dec 11  Marco Golla  The reduced knot Floer complex 
Feb 6  Némethi András  Almost rational singularities 
Feb 12  Némethi András  Reduction theorem 
Feb 19  Marco  Correction terms in Heegaard Floer homology 
Feb 26  Némethi András  Lattice reduction revisited 
Mar 5  Marco  Correction terms in Heegaard Floer homology II. 
Mar 12  Stipsicz András  Freedman's resolution of the 4d topological Poincaré conjecture (first lecture from the series given by András and Boldizsár) 
Mar 19  Baldur  Mixed Hodge structures on cohomologies of smoooth varieties (a la Deligne) I. 
Mar 26  Baldur  Mixed Hodge structures on cohomologies of smoooth varieties (a la Deligne) II. 
Apr 2  No seminar (because Friedrich Knop's lecture on Invariant theory at CEU)  
Apr 9  Mauro  Orderable groups and 3manifold topology I. 
Apr 16  No Seminar!  
Apr 23  Mauro  Orderable groups and 3manifold topology II. 
Apr 30  Józsi  Classification of algebraic curves 
May 7  Némethi András  
May 14  Mauro  Orderable groups and 3manifold topology III. 
May 21  No Seminar!  
May 28  Marco  HF^+ and rational cuspidal curves 
June 4  No seminar! 
Sep 13  Tamás  Definitions of the (abstract) lattice cohomology 
Sep 20  Tamás  Combinatorics of the plumbings and the lattice cohomology 
Sep 27  Józsi  Lattice cohomology of rational singularities 
Oct 4  Józsi  Proof of the contraction in the rational case 
Oct 11  Stipsicz András  Knot lattice homology I. 
Oct 18  Stipsicz András  Knot lattice homology II. 
Oct 25  Stipsicz András  Knot lattice homology III. 
Nov 8  Némethi András  Ehrhart theory of polytopes and SeibergWitten invariants of plumbed 3manifolds I. 
Nov 15  Némethi András  Ehrhart theory of polytopes and SeibergWitten invariants of plumbed 3manifolds II. 
Nov 22  Némethi András  Ehrhart theory of polytopes and SeibergWitten invariants of plumbed 3manifolds III. 
Nov 29  Baldur  Basic Hodge theory I. 
Dec 6  Baldur  Basic Hodge theory II. 