Algebraic K -theory and Grothendieck–Witt theory of monoid schemes

Jens Niklas Eberhardt*, Oliver Lorscheid, Matthew B. Young

*Corresponding author for this work

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Abstract

We study the algebraic K-theory and Grothendieck–Witt theory of proto-exact categories of vector bundles over monoid schemes. Our main results are the complete description of the algebraic K-theory space of an integral monoid scheme X in terms of its Picard group Pic(X) and pointed monoid of regular functions Γ (X, OX) and a complete description of the Grothendieck–Witt space of X in terms of an additional involution on Pic(X). We also prove space-level projective bundle formulae in both settings.

Original languageEnglish
Pages (from-to)1407-1445
Number of pages39
JournalMathematische zeitschrift
Volume301
Issue number2
DOIs
Publication statusPublished - Jun-2022

Keywords

  • Algebraic K-theory
  • Grothendieck–Witt theory
  • Monoid schemes
  • Projective bundle formula

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