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Algebraic K -theory of the first Morava K -theory

Christian Ausoni, John Rognes (2012)

Journal of the European Mathematical Society

For a prime p 5 , we compute the algebraic K -theory modulo p and v 1 of the mod p Adams summand, using topological cyclic homology. On the way, we evaluate its modulo p and v 1 topological Hochschild homology. Using a localization sequence, we also compute the K -theory modulo p and v 1 of the first Morava K -theory.

Augmented Γ-spaces, the stable rank filtration, and a bu analogue of the Whitehead conjecture

Gregory Z. Arone, Kathryn Lesh (2010)

Fundamenta Mathematicae

We explore connections between our previous paper [J. Reine Angew. Math. 604 (2007)], where we constructed spectra that interpolate between bu and Hℤ, and earlier work of Kuhn and Priddy on the Whitehead conjecture and of Rognes on the stable rank filtration in algebraic K-theory. We construct a "chain complex of spectra" that is a bu analogue of an auxiliary complex used by Kuhn-Priddy; we conjecture that this chain complex is "exact"; and we give some supporting evidence. We tie this to work of...

Invariants, torsion indices and oriented cohomology of complete flags

Baptiste Calmès, Viktor Petrov, Kirill Zainoulline (2013)

Annales scientifiques de l'École Normale Supérieure

Let  G be a split semisimple linear algebraic group over a field and let  T be a split maximal torus of  G . Let  𝗁 be an oriented cohomology (algebraic cobordism, connective K -theory, Chow groups, Grothendieck’s K 0 , etc.) with formal group law F . We construct a ring from F and the characters of  T , that we call a formal group ring, and we define a characteristic ring morphism c from this formal group ring to  𝗁 ( G / B ) where G / B is the variety of Borel subgroups of  G . Our main result says that when the torsion index...

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