Alejandro Adem

President, Natural Sciences and Engineering Research Council (NSERC)
Scientific, Summer School
Summer School on Homotopy Colimits
June 22–26, 2026
University of Regina
Homotopy limits and colimits are a fundamental tool in homotopy theory, with applications to topology, geometry, and algebra. The event is aimed at graduate students, postdocs, and early-career researchers who want to learn more about this topic. The...
Scientific, Conference
Cascade Topology Seminar
October 24–25, 2009
University of Oregon, Eugene, Oregon
The Cascade Topology Seminar is a bi-annual gathering of topologists from the Pacific Northwest and Southwestern Canada.
Scientific, Conference
Hyperplane arrangements and applications
August 8–12, 2011
University of British Columbia
This conference in held in honour of Hiroaki Terao. The goal of this conference is to examine the current status of research in hypergeometric integrals, differential forms and derivations on divisors, as well as hyperplane arrangements in general...
Scientific, Seminar
Topology Seminar: Alejandro Adem (UBC)
March 16, 2011
University of British Columbia
In this talk we will discuss properties of spaces of homomorphisms Hom(Q,G) where Q is a discrete group and G a Lie group. The example given by the ordered commuting n-tuples in a compact Lie group will be explained in some detail. We will discuss...
Scientific, Seminar
Topology and Related Seminars: Alejandro Adem, UBC
November 2, 2011
University of British Columbia
Abstract: Let G denote a compact connected Lie group with torsion-free fundamental group acting on a compact space X such that all the isotropy subgroups are connected and of maximal rank. Let T be a maximal torus with Weyl group W. We derive...
Scientific, Seminar
Topology Seminar: Alejandro Adem
November 15, 2012
University of British Columbia
We discuss the general problem of computing the cohomology and topological K-theory for classifying spaces of crystallographic groups. Integral computations will be provided for groups with prime order holonomy.
Scientific, Seminar
Topology Seminar: Alejandro Adem
November 22, 2012
University of British Columbia
This is continuation from the previous week: We discuss the general problem of computing the cohomology and topological K-theory for classifying spaces of crystallographic groups. Integral computations will be provided for groups with prime order...
Scientific, Distinguished Lecture
PIMS Distinguished Speaker: Alejandro Adem
April 12, 2013
University of Lethbridge
In this talk, we will consider topological spaces arising from commuting unitary and orthogonal matrices. Basic properties will be discussed, such as the number and structure of their path components. Connections to representations, bundles and...