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X-FROM-URL:https://eom.sdu.dk/events/ical/567406b2-3586-4a48-b69f-9bb24f6e
 e71f
X-WR-CALNAME:QM Research Seminar: A-infinity algebras and homotopy groups 
 of spheres
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TZID:Europe/Copenhagen
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DTSTAMP:20260420T061602Z
DTSTART:20261028T030000
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DESCRIPTION:[b]Speaker: Guillaume Laplante-Anfossi [/b](University of Sout
 hern Denmark)\n[b]Abstract:[/b]\nThe goal of this talk is to describe a s
 trategy to compute algorithmically unstable homotopy groups of spheres mo
 dulo a prime number\, using the theory of A-infinity algebras. This appro
 ach\, which is based on Brown's theory of twisting cochains and its gener
 alisation to A-infinity algebras by Kadeishvili\, was proposed by Alain P
 routé in 1986. One central ingredient that was missing at the time is a f
 ormula for the tensor product of A-infinity algebras and A-infinity morph
 isms\, which are now available and were studied recently in combinatorics
 . In fact\, these techniques can be used more generally to compute the ho
 mology of fibered spaces\, and could potentially be used to develop a the
 ory of Sullivan minimal models in characteristic p.
DTEND:20260126T150000Z
DTSTAMP:20260420T061602Z
DTSTART:20260126T140000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: A-infinity algebras and homotopy groups of sp
 heres
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