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−  The seminar meets on Fridays at 2:25 pm in room B113.
 
   
−  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]]. >
 
− 
 
−  ==Algebraic Geometry and Algebra Mailing List==
 
− 
 
− 
 
−  *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).
 
− 
 
−  == Spring 2018 Schedule ==
 
− 
 
−  { cellpadding="8"
 
−  !align="left"  date
 
−  !align="left"  speaker
 
−  !align="left"  title
 
−  !align="left"  host(s)
 
− 
 
−  
 
−  January 26
 
−  [http://homepages.math.uic.edu/~tmoulinos/ Tasos Moulinos (UIC)]
 
−  [[#Tasos MoulinosDerived Azumaya Algebras and Twisted Ktheory]]
 
−  Michael
 
−  
 
−  February 2
 
−  Daniel Erman (Wisconsin)
 
−  [[#Daniel ErmanTBA]]
 
−  Local
 
−  
 
−  February 9
 
−  Juliette Bruce (Wisconsin)
 
−  [[#Juliette BruceTBA]]
 
−  Local
 
−  
 
−  February 23
 
−  Aron Heleodoro (Northwestern)
 
−  [[#Aron HeleodoroTBA]]
 
−  Dima
 
−  
 
−  April 6
 
−  [http://wwwpersonal.umich.edu/~ptoste/ Phil Tosteson (Michigan)]
 
−  [[#Phil TostesonTBA]]
 
−  Steven
 
−  
 
−  
 
−  April 13
 
−  Reserved
 
−  
 
−  Daniel
 
−  
 
−  April 20
 
−  Alena Pirutka (NYU)
 
−  [[#Alena PirutkaTBA]]
 
−  Jordan
 
−  
 
−  April 27
 
−  Alexander Yom Din (Caltech)
 
−  [[#Alexander Yom DinTBA]]
 
−  Dima
 
−  
 
−  May 4
 
−  John Lesieutre (UIC)
 
−  [[#John LesieutreTBA]]
 
−  Daniel
 
−  }
 
− 
 
−  == Abstracts ==
 
− 
 
−  ===Tasos Moulinos===
 
− 
 
−  '''Derived Azumaya Algebras and Twisted Ktheory'''
 
− 
 
−  Topological Ktheory of dgcategories is a localizing invariant of dgcategories over <math> \mathbb{C} </math>
 
−  taking values in the <math> \infty </math>category of <math> KU </math>modules. In this talk I describe a relative version
 
−  of this construction; namely for <math>X</math> a quasicompact, quasiseparated <math> \mathbb{C} </math>scheme I construct a
 
−  functor valued in the <math> \infty </math>category of sheaves of spectra on <math> X(\mathbb{C}) </math>, the complex points of <math>X</math>. For inputs
 
−  of the form <math>\operatorname{Perf}(X, A)</math> where <math>A</math> is an Azumaya algebra over <math>X</math>, I characterize the values
 
−  of this functor in terms of the twisted topological Ktheory of <math> X(\mathbb{C}) </math>. From this I deduce
 
−  a certain decomposition, for <math> X </math> a finite CWcomplex equipped with a bundle <math> P </math> of projective
 
−  spaces over <math> X </math>, of <math> KU(P) </math> in terms of the twisted topological Ktheory of <math> X </math> ; this is
 
−  a topological analogue of a result of Quillen’s on the algebraic Ktheory of SeveriBrauer
 
−  schemes.
 
− 
 
−  ===Aron Heleodoro===
 
− 
 
−  '''TBA'''
 
− 
 
−  ===Alexander Yom Din===
 
− 
 
−  '''TBA'''
 