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The cubical route to understanding Artin groups

Project description

Answering persistent open questions regarding Artin groups via cube complex theories

Artin groups are a class of infinite groups defined by simple algebraic expressions. They are primarily used in geometric group theory, topology and low-dimensional geometry to study the symmetry of spaces and the braiding of paths. Their braid relations are also crucial in the study of integrable systems and quantum groups. Despite being extensively studied since their introduction about six decades ago, many basic questions remain unanswered. With the support of the Marie Skłodowska-Curie Actions programme, the CubeArt project aims to tackle some of those questions after laying the foundations with the study of Artin groups as quotients of cubulated groups using cubical small-cancellation theory.

Objective

Artin groups occupy an important place in modern mathematics, sitting at the intersection of algebra, geometry, and topology. They generalise free groups, free abelian groups, and braid groups - already central objects with deep connections to knot theory, low-dimensional topology, and mathematical physics - while extending this richness across a vast family of groups associated with Coxeter systems. Despite their introduction in the 1960s, and the extensive body of work that has arisen from their study, many of the most basic questions about Artin groups remain unresolved.

The goal of this proposal is to study Artin groups as quotients of cubulated groups by developing and exploiting the tools of cubical small-cancellation theory, with the aim of tackling central open questions, such as the K(pi,1) conjecture and residual finiteness, and foundational algorithmic challenges, such as the word and conjugacy problems.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSIDAD DEL PAIS VASCO/ EUSKAL HERRIKO UNIBERTSITATEA
Net EU contribution
€ 194 074,56
Address
BARRIO SARRIENA S N
48940 Leioa
Spain
Region
Noreste País Vasco Bizkaia
Activity type
Higher or Secondary Education Establishments
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Total cost
No data