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DTSTART;TZID=America/New_York:20260326T133000
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SUMMARY:Gauge theory on Hyperkähler manifolds
DESCRIPTION:Differential Geometry and Physics Seminar  \nSpeaker. Emily Autumn Windes (New Uzbekistan University) \nTitle: Gauge theory on Hyperkähler manifolds \nAbstract: In this talk\, I describe various distinguished classes of connections on Hyperkähler manifolds and their dimensional reductions. Then\, I describe a construction of new examples of Sp(2)-instantons\, primitive HYM connections\, and Spin(7)-instantons with symmetry on the manifold T*CP2. This talk is based on joint work with Jesse Madnick and Izar Alonso.
URL:https://cmsa.fas.harvard.edu/event/dgphys_32627/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Differential Geometry and Physics Seminar
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/DG-Physics-Seminar-3.26.26.docx-1.png
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DTSTART;TZID=America/New_York:20260326T160000
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CREATED:20260127T192705Z
LAST-MODIFIED:20260310T192236Z
UID:10003883-1774540800-1774544400@cmsa.fas.harvard.edu
SUMMARY:The Beilinson-Bloch conjecture for some non-isotrivial varieties over global function fields
DESCRIPTION:Algebra Seminar \nSpeaker: Matt Broe\, Boston University \nTitle: The Beilinson-Bloch conjecture for some non-isotrivial varieties over global function fields \nAbstract: The Beilinson-Bloch conjecture is a generalization of the Birch and Swinnerton-Dyer conjecture\, which relates the ranks of Chow groups of smooth projective varieties over global fields to the order of vanishing of L-functions. We prove the conjecture for certain classes of non-isotrivial varieties over Fq(t)\, including some cubic threefolds and fivefolds. We deduce the Birch and Swinnerton-Dyer conjecture for their intermediate Jacobians\, and use it to establish new cases of the Tate conjecture over finite fields. \n 
URL:https://cmsa.fas.harvard.edu/event/algebra-seminar_32626/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Algebra Seminar
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/CMSA-Algebra-Seminar_3.26.26.docx-scaled.png
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