Center for Topology, Algebra, and their Applications

Latest

Jul
14
Realification of stably trivial vector bundles

Realification of stably trivial vector bundles

Guy Boyde, Niall Taggart The set of stably trivial complex vector bundles over complex projective spaces and spheres has a
1 min read
Jun
23

PhD mini-symposium

CTA^2 will host a PhD mini-symposium on 2 July 2026. The programme may be found below. Location: VU,
Jun
11

Cluster Colloquium

Cluster Colloquium is a monthly online seminar that aims to highlight recent developments in cluster algebras and related topics. The
May
18
Intercity number theory seminar

Intercity number theory seminar

About the seminar Since 1993 the Intercity number theory seminar has met once or twice a month on Fridays at
1 min read
May
15
New book: Spectra of Discrete Structures

New book: Spectra of Discrete Structures

CTA^2 member Raffaella Mulas has co-authored a new book, titled Spectra of Discrete Structures, together with Jürgen Jost
1 min read
May
04
CTA^2 Lectures 2026

CTA^2 Lectures 2026

CTA2 invites Daniela Egas Santander (Center for Systems Biology Dresden) for the first CTA2 lectures event on 1st and 2nd
2 min read
May
01
Workshop on Spatial Structures

Workshop on Spatial Structures

The first workshop of a series of CTA2 meetings. 21-25. September 2026. Registration deadline 1.August. Conference Webpage Spatial
1 min read
Apr
15
Nested Tree Space: a geometric framework for co-phylogeny

Nested Tree Space: a geometric framework for co-phylogeny

Gillian Grindstaff, Renee S. Hoekzema Nested (or reconciled) phylogenetic trees model co-evolutionary systems in which one evolutionary history is
1 min read
Apr
08
Applied topology day 2026

Applied topology day 2026

The next edition of the Applied Topology Day at the Vrije Universiteit Amsterdam will take place on Thursday, 18th June.
1 min read
Mar
10
Coloring outside the lines: Spectral bounds for generalized hypergraph colorings

Coloring outside the lines: Spectral bounds for generalized hypergraph colorings

Lies Beers and Raffaella Mulas Abstract It is known that, for an oriented hypergraph with (vertex) coloring number $\chi$ and
1 min read