Geodesic
On the $K$-theory of pullbacks
Markus Land1 ; Georg Tamme1
1 Fakultät für Mathematik, Universität Regensburg, Regensburg, Germany
Annals of mathematics, Tome 190 (2019) no. 3, pp. 877-930

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To any pullback square of ring spectra we associate a new ring spectrum and use it to describe the failure of excision in algebraic $K$-theory. The construction of this new ring spectrum is categorical and hence allows us to determine the failure of excision for any localizing invariant in place of $K$-theory.

DOI : 10.4007/annals.2019.190.3.4

Markus Land 1 ; Georg Tamme 1

1 Fakultät für Mathematik, Universität Regensburg, Regensburg, Germany 
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Markus Land; Georg Tamme. On the $K$-theory of pullbacks. Annals of mathematics, Tome 190 (2019) no. 3, pp. 877-930. doi: 10.4007/annals.2019.190.3.4

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