Seminar Semiklassische Analysis und Darstellungstheorie

T. Quella, Overview talk

Oberseminar Zahlentheorie

Amanda Folsom (Yale/MPIM-Bonn), q-series and quantum modular forms

Oberseminar Algebra

Alexander Stolin (Göteborg), "Classification of quantum groups and Belavin - Drinfeld cohomologies"

Reading Seminar "Crystal bases and combinatorics"

Igor Burban, Hall-theoretic introduction into quantized enveloping algebras

Seminar Semiklassische Analysis und Darstellungstheorie

D. Wieczrek, The theorem of Lieb-Schultz-Mattis and Haldane's conjecture

Oberseminar Zahlentheorie

Christine Robinson (Berlin), Siegel Maass wave forms of weight 0

Oberseminar Algebra

Xing Fang (Paris), Cohomology of Quantum shuffle algebras

Reading Seminar "Crystal bases and combinatorics"

Ghislain Fourier, Where to get modules for quantum algebras from

Seminar Semiklassische Analysis und Darstellungstheorie

M. Zirnbauer, From network models to spin models (incl. Howe duality)

Oberseminar Algebra

Roman Avdeev (Moscow institute of open education), On combinatorial invariants of strongly solvable spherical subgroups

Reading Seminar "Crystal bases and combinatorics"

Christian Desczyk, Crystal and global bases for beginners

Seminar Semiklassische Analysis und Darstellungstheorie

P. Littelmann, The YBE and its relation to integrable spin/vertex models

Oberseminar Zahlentheorie

Thomas Creutzig (Darmstadt), The modular story for affine sl(2) at admissible non-integer level

Oberseminar Algebra

Hans Franzen (Wuppertal), tba

Reading Seminar "Crystal bases and combinatorics"

Teodor Backhaus, Combinatorial model for crystals: Young tableaux

Seminar Semiklassische Analysis und Darstellungstheorie

T. Quella, Bethe ansatz for the ferromagnetic Heisenberg spin chain

Oberseminar Zahlentheorie

tba

Oberseminar Algebra

Vytautas Paskunas (Essen),

Smooth representaions of GL_2(Q_p) in characteristic p

Reading Seminar "Crystal bases and combinatorics"

Peter Littelmann, Generalizing to symmetrizable Kac-Moody algebras: The path model

Bonn-Köln Number Theory and Physics Seminar

Seminar Semiklassische Analysis und Darstellungstheorie

R. Bondesan, Spin chains from the Temperley-Lieb algebra

Oberseminar Algebra

tba

Reading Seminar "Crystal bases and combinatorics"

Ghislain Fourier, Perfect crystals and what is it all about KR-modules

Oberseminar Algebra

tba

Reading Seminar "Crystal bases and combinatorics"

tba

Seminar Semiklassische Analysis und Darstellungstheorie

D. Kus, The quantum group SUq(2) and its relations (incl. relation to the Yang-Baxter equation), peculiarities at roots of unity

Oberseminar Zahlentheorie

Jack Buttcane (Göttingen), The 4-norm in the level aspect

Oberseminar Bonn Köln Algebra

Andrei Negut (Columbia University, New York), Quantum algebras and shuffle algebras

Daisuke Sagaki (University of Tsukuba), Description of level-zero Lakshimbai-Seshadri paths in terms of the quantum Bruhat graph

Alexey Pethukhovs,The (sp(4), sl(2))-modules of finite type

Seminar Semiklassische Analysis und Darstellungstheorie

A. Alldridge, Abstract theory of the Yang-Baxter equation: Hopf algebras, universal R-matrix

Oberseminar Zahlentheorie

tba

Oberseminar Algebra

Lennart Galinat, Orlov's Equivalence and Maximal Cohen-Macaulay Modules over the Cone of an Elliptic Curve

Reading Seminar "Crystal bases and combinatorics"

Bea Schumann, Geometric realization of crystals: Nakajima's quiver varieties

Seminar Semiklassische Analysis und Darstellungstheorie

J. Peschutter, The Haldane-Shastry model: Long range interactions, groundstate wavefunction, excited states, Yangian symmetry

Seminar AKLS

Oberseminar Algebra

Bea Schumann, tba

Reading Seminar "Crystal bases and combinatorics"

Jacinta Perez, Geometric realization of crystals: MV polytopes

Seminar Semiklassische Analysis und Darstellungstheorie

T. Quella, The AKLT model: Construction of the Hamiltonian, the ground state and its uniqueness, edge modes, correlation functions, entanglement

Oberseminar Algebra

Nicolo Sibilla (MPIM, Bonn), Ribbon graphs and mirror symmetry in dimension one

Reading Seminar "Crystal bases and combinatorics"

tba, Combinatorial models: Benchmark

Seminar Semiklassische Analysis und Darstellungstheorie

K. Duivenvoorden, Topological phases in 1D spin chains: Role of projective representations, central extensions and ground cohomology

Oberseminar Zahlentheorie

tba

Disputation

Deniz Kus, tba

Oberseminar Algebra

Christian Lange, A common feature of pseudoreflection- and Poincare groups

Seminar Semiklassische Analysis und Darstellungstheorie

I. Burban, The Drinfeld double [of a finite group] (mainly as an example leading to a Rigid Braided Monoidal Tensor Category and/or to a solution of the Yang-Baxter equation, link to universal R matrix)

Oberseminar Zahlentheorie

tba

Oberseminar Algebra

tba

Seminar Semiklassische Analysis und Darstellungstheorie

L. Galinat, Introduction to Rigid Braided Monoidal Categories: With a focus on fusion, duality, braiding, 6j-symbols, examples...

Oberseminar Algebra

Frederik Marks, Ring epimorphisms, universal localisations and tilting modules

Oberseminar Algebra

Giovanni Cerulli Irelli, Quiver Grassmannians and degenerate flag varieties

Seminar Semiklassische Analysis und Darstellungstheorie

S. Trebst, Topological phases in 2D: Kitaev model(s), Levin-Wen model and beyond, anyonic statistics

Oberseminar Zahlentheorie

José Miguel Zapata Rolon (Cologne), Asymptotics of crank differences

Oberseminar Algebra

Alexander Getmanenko (Paris-6), Microlocal properties of sheaves and quantum tunneling-I

Evgeny Feigin (Moskau), Vinberg's filtration and toric degenerations

Volodymyr Mazorchuk (Uppsala), Category O for classical Lie superalgebras