Vic Reiner talks
Research talks
 The Geology of Gale diagrams
 Recent progress in the topology
of simplicial complexes
(from AMS meeting in Williamstown MA, Oct. 2001)
 Koszul algebras in combinatorics
(from MSRI workshop March 2003)
 Two talks from the AMS Winter meeting New Orlean, Jan 2007
 Face numbers of nestohedra
(from Minisymposium Algebraische und geometrische Kombinatorik, Erlangen, Sept. 2008)
 Cyclic symmetry, invariant theory, and q and tanalogues
(from Seminaire Lotharingien de Combinatoire, Heilsbronn, Feb. 2009)

Ppartitions revisited
From "Combinatorial algebra meets algebraic combinatorics"
conference at Lakehead Univ. in Thunder Bay, January 2123, 2011
and Triangle Lectures in Combinatorics at NC State, March 9, 2011

New twisted Gelfand pairs from reflection groups
From "qSeries 2011: a conference honoring M. Ismail and D. Stanton"
at Georgia Southern University, March 1416, 2011

Parking spaces
From AMS meeting in Oxford, Mississippi, March 13, 2013.

Toric partial orders
From AMS meeting in Boulder, Colorado, April 1314, 2013.

Catalan numbers,parking functions, and invariant theory
From CanaDAM, St. Johns, Newoundland June 1013, 2013.

qNarayana and qKreweras numbers for Weyl groups
From WachsFest, Univ. of Miami  Coral Gables, January 59, 2015.

Sharp representation stability for configurations of
points in R^{d}
Univ. Arkansas Spring Lecture Series, March 57, 2015.

Sharp representation stability for configurations of
points in R^{d}
Loyola Univ. AMS Central Sectional Mtg., Oct. 34, 2015.
 Cyclic symmetry
Smith College Thursday Lunch Talks, April 9, 2015.
 Thrall's problem and coarsenings
Positivity in algebraic combinatorics, BIRS, August 15, 2015.

Sandpiles for group representations
Great Plains Combinatorics Conference, Univ. of Kansas, May 20, 2016

Sandpiles and Hopf algebras
ThibonFest, Séminaire Lotharingien de Combinatoire 78,
Domaine St. Jacques, Ottrott, March 27, 2017

Hilbert functions for Chow rings of uniform matroids and their qanalogues
Joint Math. Meetings, San Diego CA, Jan. 12, 2018.

Sandpiles and representation theory
The George Washington Univ. Colloquium, Feb. 23, 2018

Sandpiles and representation theory
Cornell Math Colloquium (Oliver Club), Mar. 14, 2018

Sandpiles and representation theory
Maheshwari Colloquium at SUNYAlbany, May 4, 2018

Finite reflection groups and general linear groups
A PanHemispheric Celebration of Math in Miami (ICM satellite), July 26, 2018

On the coincidental reflection groups
MAAGC, Drexel Univ., May 4, 2019

On the coincidental reflection groups
Arrangements at Western, U. Western Ontario, May 21, 2019

Combinatorics of the coincidental reflection groups
FPSAC in Ljubljana, Slovenia, July 5, 2019
 Whitney numbers for poset cones
AMS Southeastern Sectional in Gainesville FL
Special Session on Geometric and Topological Combinatorics, Nov. 3, 2019
 Whitney numbers for poset cones
MittagLeffler ACOW (Algebraic Combinatorics Online Workshop, April 30,2020
 Resolutions of StanleyReisner rings and a colorful Hochster formula
Univ. of Minnesota Commutative Algebra Seminar, May 20,2020
 Sandpiles and Representation Theory
Univ. of Waterloo Algebraic and Enumerative Combinatorics Seminar, June 18, 2020.
 qBinomials and the Grassmannian
Polymath Jr REU 2020 problem intro talk; here is a
video recording.
 Universal parameters for StanleyResiner rings and a colorful Hochster formula
(Polytop)ics, MPILeipzig, April 9, 2021
(and here is a talk by Ashleigh Adams on this topic at GSCC 2021 a few weeks later)
 Conjecture on cohomology of Grassmannians
Michigan State Combinatorics and Graph Theory Seminar, April 21, 2021
 Invariant theory of cyclic permutations: a test case
CA+ Conference, Minneapolis, October 30, 2021
 Topology of augmented Bergman complexes,
 Hooked on the work of Adin and Roichman
Reflections: 60th birthday of Ron Adin and Yuval Roichman,
satellite to FPSAC 2021, Bar Ilan University, Jan 10, 2022
 Invariant theory for the free leftregular band and a qanalogue
Sectional AMS meeting at U. MassAmherst, October 12, 2022.
 Hop on the leftregular bandwagon!
Michigan State Math Colloquium, October 27, 2022.
 Talks on Stirling representations, Koszulity, supersolvability, etc
 Koszulity and Stirling representations
Various Guise of Reflection Groups, ICMS Edinburgh, March 14,2023.
 Stirling numbers, Koszulity, representations and supersolvability Seminaire Combinatoire et Theorie de Nombres, ICJ Lyon, October 3, 2023.
 Stirling numbers and Koszul algebras with symmetry
Symmetry, stability and interactions with computation, CIRMLuminy, November 14,2023.
 Stirling numbers and Koszul algebras with symmetry Seminaire Groupes, Algebre et Topologie, Univ. de PicardieJules Verne, Amiens, December 7, 2023.
 Stirling numbers and Koszul algebras with symmetry Workshop on Geometric, Algebraic and Topological Combinatorics, Oberwolfach, December 11, 2023.
 Franceso, Polya frequency sequences, and Koszulity
89th Seminaire Lotharingien de Combinatoire, BrentiFest, Bertinoro, March 28, 2023.
 Combinatorics of configuration spaces: recent progress
University of Rome Tor Vergata Colloquium, November 3, 2023.
Overview talks, talk series
 qcounting and invariant theory
Summer School in Algebraic Combinatorics
Kraków, Poland, July 1115, 2022

Cyclic and dihedral sieving
Texas State University REU talk, July 22, 2021

Hurwitz's factorization count and its deformations
Helen Barton Lecture, UNCGreensboro (via Zoom), Aug. 26, 2020.

Counting trees and nilpotent endomorphisms
U. Minnesota Combinatorics seminar (via Zoom), Mar. 27, 2020.
 On invariant theory for "coincidental" reflection groups
U. Minnesota Commutative Algebra seminar, Nov. 29, 2018.
 Cyclic sieving: old and new
Northeast Combinatorics Network's Virtual Combinatorics Colloquium, Nov. 14, 2018
 qcounting and representation theory
ECCO (Encuentro Colombiano de Combinatoria) 2018 Summer School
Barranquilla, Colombia, June 59, 2018
 Reflection group invariant theory and generatingfunctionology
Algebraic and Geometric Combinatorics of Reflection Groups
Spring School, CRMLaCIMUQAM, Montreal, June 12, 2017
 General linear groups as reflection group 'wannabes'
Aisenstadt Lectures at CRM, Univ. de Montreal, March 1417, 2017

General linear groups as reflection group 'wannabes'
Algebraic combinatorics and group actions, Herstmonceux Castle, UK, July 12, 2016

Cyclic symmetry? You can count on it!
Fisk Lecture, Univ. of Wyoming, March 31, 2016
 Reflection groups and finite general linear groups
from a minicourse at Centro di Recerca Matematica Ennio De Giorgi, Pisa, Feb. 913, 2015
during the INdAM intensive research period
"Perspectives in Lie Theory"

The Art Gallery Theorem
UW Monthly Math Hour, May 18, 2014
The Art Gallery Theorem
St. John's Univ., Collegeville MN, Sept. 15, 2015,
and Augsburg College, Minneapolis MN, March 9, 2016.
 Rational Catalan Combinatorics: Intro
from AIM meeting Dec. 1721, 2012
 Lectures on reflection group counting and qcounting
from Algebraic and Enumerative Combinatorics Summer School in Guimaraes, Portugal, July 2012

Algebraic combinatorics: using algebra to help one count
Max and Rose Lorie Lecture #1, George Mason Univ., Jan 29, 2010.
Its precursor talk
given as a Minnesota Jr. Colloquium on Jan 24, 2006
 Lectures on matroids and oriented matroids
from ACE Geometric Combinatorics Summer School, Univ. Vienna, 2005
U. Minn. seminar and reading group talks

HallLittlewood polynomials
U. Minn. Grad Combinatorics Seminar, Oct. 22, 2015.

Intro to McKay correspondence
An informal seminar in Winter 2016
at U. Minn., with 3 talks by me on
Feb. 1,8,15, then one by Theo Douvropoulos on Feb. 22.

Hodge theory and matroids
U. Minn. Grad Combinatorics Seminar, Oct. 20 and Nov. 17, 2016.

Topology and combinatorics of the complex of injective words
U. Minn. Algebraic Representation Theory Seminar, Oct. 26 and Nov. 2, 2018.

Seminar on KraskiewiczWeyman 1985, and
video
A miniseminar at Minnesota, Mar. 16, 2021.
 Some talks on B. Steinberg's book "Representation Theory of Finite Monoids"
U. Minn. Algebra Reading Seminar on Semigroups
Prospective grad student open house talks
SIAM student chapter "5minute research" event
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