
SCIENTIFIC PROGRAMS AND ACTIVITIES 

June 7, 2023  
Specialized Workshops

Commutative Algebra, Algebraic Geometry and Representation Theory 

YURI BEREST, Cornell University  
1.Cherednik algebras and differential operators on quasiinvariants  
2. Ideals of the Weyl algebra  
IGOR BURBAN, Universitaet Kaiserslautern  
Derived categories of coherent aheaves on degenerations of elliptic curves  
YURIY DROZD, University of Kiev  
Vector bundles and CohenMacaulay modules  
MIKHAIL KHOVANOV, University of California, Davis  
How and why semisimple representations become Grothendieck groups  
JAN SCHROER, University of Leeds  
Irreducible components of varieties of modules 
Finite Dimensional Algebras, Algebraic Groups and Lie Theory 

HENNING HAAHR ANDERSEN, Aarhus University  
Tilting modules for algebraic and quantum groups  
SUSUMU ARIKI, Kyoto University  
A tame/wild problem for Hecke algebras of type B  
STEPHEN BERMAN, University of Saskatchewan  
Covering algebras of KacMoody algebras and extended affine Lie algebras  
JIE DU, University of New South Wales  
1.Stratified algebras and representations of finite groups of Lie type  
2. RingelHall algebras and the geometric setting ofquantum GL_n  
MATTHEW DYER, University of Notre Dame  
Shellability and heighest weight representations  
KARIN ERDMANN, University of Oxford  
Tilting modules for Schur algebras  
YUN GAO, York University  
A
primer to extended affine Lie algebras (1.Extended affine Lie algebras: classification 2. Extended affine Lie algebras: representation) 

J.E. HUMPHREYS, University of Massachusetts, Amherst  
Cells in affine Weyl groups and reduced enveloping algebras  
ALEXANDER S. KLESHCHEV, University of Oregon  
Cartan determinants and Shapovalov forms  
ZONGZHU LIN, Kansas State University  
TBA  
VOLODYMYR MAZORCHUK, Uppsala University  
Stratified algebras arising in Lie theory  
BRIAN PARSHALL, University of Virginia  
TBA  
ARTURO PIANZOLA, University of Alberta  
Torsors and infinite dimensional Lie algebras  
TOSHIYUKI TANISAKI, Osaka University  
Character formulas of KazhdanLusztig type  
PETER J. WEBB, University of Minnesota  
Lie theory in the context of finite groups 


GEORGIA BENKART, University of Wisconsin, Madison  
Twoparameter quantum groups  they are doubly good  
VYJAYANTHI CHARI, University of California, Riverside  
Weyl modules and the fusion product for representations of affine Lie algebras  
BANGMING DENG, Beijing Normal University  
Hall algebra and their relations to quantized enveloping algebras  
SEOKJIN KANG, Korea Institute for Advanced Study  
Quantum affine algebras and combinatorics of Young walls  
ZONGZHU LIN, Kansas State University  
Hall algebra and their relations to quantized enveloping algebras  
KONSTANZE RIETSCH, University of Oxford  
Introduction to perverse sheaves  
YOSHIHISA SAITO, University of Tokyo  
Introduction to perverse sheaves and canonical bases  
OLIVIER SCHIFFMANN, Yale University  
1.Hall algebra of the cyclic quiver  
2. Elliptic algebras and weighted projective lines  
JIE XIAO, Tsinghua University  
Hall algebra and their relations to quantized enveloping algebras 