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SUMMARY:Tom Bachmann (LMU)
DTSTART:20210330T160000Z
DTEND:20210330T170000Z
DTSTAMP:20260423T021416Z
UID:eAKTS/17
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/eAKTS/17/">C
 ellular motivic invariants of Z[1/2]</a>\nby Tom Bachmann (LMU) as part of
  electronic Algebraic K-theory Seminar\n\nLecture held in 979 0634 7355.\n
 \nAbstract\nA cellular motivic invariant is a special type of functor from
  the category of commutative rings (or the opposite of schemes\, say) to s
 pectra. Examples include algebraic K-theory\, motivic cohomology\, etale c
 ohomology and algebraic cobordism. Dwyer-Friedlander observed that for 2-a
 dic etale K-theory and certain related invariants\, the value on $\\mathbb
 {Z}[1/2]$ can be described in terms of a fiber square involving the values
  on the real numbers\, the complex numbers\, and the field with three elem
 ents.\nI will explain a generalization of this result to arbitrary 2-adic 
 cellular motivic invariants.\n\nThis is joint work with Paul Arne Østvær
 \n
LOCATION:https://researchseminars.org/talk/eAKTS/17/
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