Time and location

This workshop took place from Monday 3 to Wednesday 5 July 2023 at Radboud University Nijmegen, The Netherlands.


A pdf-copy of the program of this workshop and the companion conference Homotopy theory, K-theory, and trace methods is available here.

A youtube-playlist with all recorded talks is available here.

3 July 4 July 5 July


This workshop was organized around the themes of using refined invariants of algebraic varieties to study enumerative questions, with ideas coming from motivic homotopy theory, quadratic enumerative geometry, hermitian K-theory and beyond.

Companion conference

In the second half of the same week, Wednesday 5 to Wednesday 7 July 2023, there was a conference on

in honor of Bjørn Ian Dundas' 60th birthday at the same location. The two events had one shared day (Wednesday) with talks that fitted both topics.

Titles and abstracts



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