

(12 intermediate revisions by 4 users not shown) 
Line 1: 
Line 1: 
−  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]. 
−   +  
−  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 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 MoulinosTBA]]
 +  
−  Michael
 +  
−  
 +  
−  February 23
 +  
−  Aron Heleodoro (Northwestern)
 +  
−  [[#Aron HeleodoroTBA]]
 +  
−  Dima
 +  
−  
 +  
−  March 9
 +  
−  [http://wwwpersonal.umich.edu/~ptoste/ Phil Tosteson (Michigan)]
 +  
−  [[#Phil TostesonTBA]]
 +  
−  Steven
 +  
−  
 +  
−  April 20
 +  
−  Alena Pirutka (NYU)
 +  
−  [[#Alena PirutkaTBA]]
 +  
−  Jordan
 +  
−  
 +  
−  April 27
 +  
−  Alexander Yom Din (Caltech)
 +  
−  [[#Alexander Yom DinTBA]]
 +  
−  Dima
 +  
−  }
 +  
−   +  
−  == Abstracts ==
 +  
−   +  
−  ===Tasos Moulinos===
 +  
−   +  
−  '''Derived Azumaya Algebrais and Twisted Ktheory'''
 +  
−   +  
−  Topological Ktheory of dgcategories is a localizing invariant of dgcategories over the complex numbers
 +  
−  taking values in the infinity category of KUmodules. In this talk I describe a relative version
 +  
−  of this construction; namely for X a quasicompact, quasiseparated Cscheme I construct a
 +  
−  functor valued in the infinity category of sheaves of spectra on X(C), the complex points of X. For inputs
 +  
−  of the form Perf(X, A) where A is an Azumaya algebra over X, I characterize the values
 +  
−  of this functor in terms of the twisted topological Ktheory of X(C). From this I deduce
 +  
−  a certain decomposition, for X a finite CWcomplex equipped with a bundle P of projective
 +  
−  spaces over X, of KU(P) in terms of the twisted topological Ktheory of X ; 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'''
 +  
Latest revision as of 11:02, 24 January 2018
We changed the name. Here is the new seminar page.