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X-FROM-URL:https://eom.sdu.dk/events/ical/6aa6808b-1ab1-4a1d-8332-460f4c94
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X-WR-CALNAME:QM Research Seminar: Tetrahedron instantons
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260602T163437Z
DTSTART:20261028T030000
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DESCRIPTION:[b]Speaker: Xinyu Zhang[/b] (Zhejiang University) [nl][nl]\n[b
 ]Abstract:[/b][nl]\nIn this talk\, I will discuss various aspects of tetr
 ahedron instantons. Tetrahedron instantons can be realized using D0-brane
 s probing a system of intersecting D6-branes in type IIA superstring theo
 ry\, and can be viewed as particular solutions of general instanton equat
 ions in noncommutative field theory. The tetrahedron instanton partition 
 function lies between the higher-rank Donaldson-Thomas invariants on Cala
 bi-Yau threefolds and fourfolds\, and can be computed exactly. Remarkably
 \, the K-theoretic tetrahedron instanton partition function allows an int
 erpretation in terms of the index of M-theory on a noncompact Calabi-Yau 
 fivefold which is related to a superposition of Kaluza-Klein monopoles. \
 n[nl]\n[nl]
DTEND:20240626T140000Z
DTSTAMP:20260602T163437Z
DTSTART:20240626T130000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: Tetrahedron instantons
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