Till Wehrhan

Welcome to my homepage! I am a first year PhD student of Prof. Stroppel and funded by the Max Planck Institute for Mathematics Bonn.


Contact:

Email:        wehrhan[at]mpim-bonn.mpg.de


Research Interests:

Geometric representation theory, quantum groups, Schubert calculus, quantum cohomology, stable envelopes.


Current Teaching:

  • Tutor for Auslander-Reiten theory; Lecturer: Prof. Schröer, Summer 2021.

Past Teaching:

  • Tutor for homological algebra; Lecturer: Prof. Schröer, Winter 2020.
  • Tutor for representation theory of finite dimensional algebras; Lecturer: Prof. Schröer, Summer 2020.
  • Tutor for modular forms; Lecturer: Prof. Blomer, Winter 2019.
  • Tutor for the precourse in mathematics; Lecturer: Dr. Rieger, Summer 2019.
  • Instroctor of the repetition course in commutative algebra; Summer 2019.
  • Tutor for commutative algebra; Lecturer: Dr. Heidersdorf, Summer 2018.
  • Tutor for invariant theory and algebraic groups; Lecturer: Prof. Stroppel, Winter 2018.
  • Tutor for the precourse in mathematics; Lecturer: Dr. Welter, Summer 2018.
  • Tutor for the precourse in mathematics; Lecturer: Dr. Welter, Summer 2017.
  • Tutor for calculus II; Lecturer: Prof. Niethammer, Summer 2017.

Seminar Talks:

  • Yang-Baxter algebra operation on the cohomology of Grassmannians; Thesisday of Prof. Stroppel's working group, Bonn 06/2021.
  • Yang-Baxter equation: origins and connection to symmetric polynomials; IMPRS Seminar, Bonn 04/2021
  • Quantum cohomology of the Hilbert scheme of points in the plane; Seminar on algebraic geometry, Bonn 02/2021
  • From triply graded to $\mathfrak gl_N$-homology; Seminar on knot homology, Bonn 02/2021.
  • Beauville decomposition of the Chow ring of abelian varieties; IMPRS Seminar, Bonn 01/2021.
  • Quantum cohomology of Grassmannians; Seminar on algebraic geometry, Bonn 12/2021.
  • Small quantum cohomology; Seminar on algebraic geometry, Bonn 12/2021.
  • Gromov-Witten invariants and big quantum cohomology; Seminar on algebraic geometry, Bonn 11/2021.
  • Exceptional collections for Grassmannians; Seminar on representation theory, Bonn 07/2020.
  • Alternating quiver Hecke algebras; Master thesis talk, Bonn 06/2020.
  • Hall-Algebra of $\mathbb F_1$ representations; Seminar on advanced algebra, Bonn 12/2019.
  • FRT-construction and quantum groups; Seminar on algebraic geometry, Bonn 11/2019.
  • Introduction to equivariant cohomology; Seminar on representation theory, Bonn 07/2019.
  • Lines on projective surfaces; Seminar on representation theory, Bonn 06/2019.
  • Structure theorems for Hopf algebras; Seminar on topology, Bonn 05/2019.
  • Multilinear restriction estimate; Seminar on harmonic analysis, Bonn 11/2018.
  • Hall algebras and quiver representations; Seminar on representation theory, Bonn 10/2018.
  • The Steenrod algebra; Seminar on topology, Bonn 06/2018.