Oberwolfach Reports


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Volume 15, Issue 1, 2018, pp. 507–529
DOI: 10.4171/OWR/2018/9

Published online: 2019-01-04

Mini-Workshop: Chromatic Phenomena and Duality in Homotopy Theory and Representation Theory

Tobias Barthel[1], Henning Krause[2] and Vesna Stojanoska[3]

(1) University of Copenhagen, Denmark
(2) Universit├Ąt Bielefeld, Germany
(3) University of Illinois at Urbana-Champaign, USA

This mini-workshop focused on chromatic phenomena and duality as unifying themes in algebra, geometry, and topology. The overarching goal was to establish a fruitful exchange of ideas between experts from various areas, fostering the study of the local and global structure of the fundamental categories appearing in algebraic geometry, homotopy theory, and representation theory. The workshop started with introductory talks to bring researches from different backgrounds to the same page, and later highlighted recent progress in these areas with an emphasis on the interdisciplinary nature of the results and structures found. Moreover, new directions were explored in focused group work throughout the week, as well as in an evening discussion identifying promising long-term goals in the subject. Topics included support theories and their applications to the classification of localizing ideals in triangulated categories, equivariant and homotopical enhancements of important structural results, descent and Galois theory, numerous notions of duality, Picard and Brauer groups, as well as computational techniques.

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Barthel Tobias, Krause Henning, Stojanoska Vesna: Mini-Workshop: Chromatic Phenomena and Duality in Homotopy Theory and Representation Theory. Oberwolfach Rep. 15 (2018), 507-529. doi: 10.4171/OWR/2018/9