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| − | The seminar meets on Fridays at 2:25 pm in room B113.
| + | We changed the name. Here is the [https://www.math.wisc.edu/wiki/index.php/Algebra_and_Algebraic_Geometry_Seminar_Spring_2018 new seminar page]. |
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| − | Here is the schedule for [[Algebraic Geometry Seminar Spring 2017 | the previous semester]]. | + | |
| − | <!--, [[Algebraic Geometry Seminar Spring 2018 | the next semester]], and for [[Algebraic Geometry Seminar | this semester]]. -->
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| − | ==Algebraic Geometry Mailing List==
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| − | *Please join the [https://admin.lists.wisc.edu/index.php?p=11&l=ags AGS Mailing List] to hear about upcoming seminars, lunches, and other algebraic geometry events in the department (it is possible you must be on a math department computer to use this link).
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| − | == Spring 2018 Schedule ==
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| − | {| cellpadding="8"
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| − | !align="left" | date
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| − | !align="left" | speaker
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| − | !align="left" | title
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| − | !align="left" | host(s)
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| − | |January 26
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| − | |[http://homepages.math.uic.edu/~tmoulinos/ Tasos Moulinos (UIC)]
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| − | |[[#Tasos Moulinos|TBA]]
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| − | |Michael
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| − | |February 23
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| − | |Aron Heleodoro (Northwestern)
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| − | |[[#Aron Heleodoro|TBA]]
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| − | |Dima
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| − | |-
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| − | |March 9
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| − | |[http://www-personal.umich.edu/~ptoste/ Phil Tosteson (Michigan)]
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| − | |[[#Phil Tosteson|TBA]]
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| − | |Steven
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| − | |-
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| − | |April 20
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| − | |Alena Pirutka (NYU)
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| − | |[[#Alena Pirutka|TBA]]
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| − | |Jordan
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| − | |-
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| − | |April 27
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| − | |Alexander Yom Din (Caltech)
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| − | |[[#Alexander Yom Din|TBA]]
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| − | |Dima
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| − | |}
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| − | == Abstracts ==
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| − | ===Tasos Moulinos===
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| − | '''Derived Azumaya Algebrais and Twisted K-theory'''
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| − | Topological K-theory of dg-categories is a localizing invariant of dg-categories over <math> \mathbb{C} </math>
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| − | taking values in the infinity category of KU-modules. In this talk I describe a relative version
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| − | of this construction; namely for X a quasi-compact, quasi-separated C-scheme I construct a
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| − | functor valued in the infinity category of sheaves of spectra on X(C), the complex points of X. For inputs
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| − | of the form Perf(X, A) where A is an Azumaya algebra over X, I characterize the values
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| − | of this functor in terms of the twisted topological K-theory of X(C). From this I deduce
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| − | a certain decomposition, for X a finite CW-complex equipped with a bundle P of projective
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| − | spaces over X, of KU(P) in terms of the twisted topological K-theory of X ; this is
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| − | a topological analogue of a result of Quillen’s on the algebraic K-theory of Severi-Brauer
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| − | schemes.
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| − | ===Aron Heleodoro===
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| − | '''TBA'''
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| − | ===Alexander Yom Din===
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| − | '''TBA'''
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