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Related papers: Stable Adams operations on $RO(C_2)$-graded homoto…

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We discuss the Adams Spectral Sequence for R-modules based on commutative localized regular quotient ring spectra over a commutative S-algebra R in the sense of Elmendorf, Kriz, Mandell, May and Strickland. The formulation of this spectral…

Algebraic Topology · Mathematics 2014-10-01 Andrew Baker , Andrey Lazarev

In this note, we use Curtis's algorithm and the Lambda algebra to compute the algebraic Atiyah-Hirzebruch spectral sequence of the suspension spectrum of $\mathbb{R}P^\infty$ with the aid of a computer, which gives us its Adams $E_2$-page…

Algebraic Topology · Mathematics 2016-01-12 Guozhen Wang , Zhouli Xu

A $p$-local compact group is an algebraic object modelled on the homotopy theory associated with $p$-completed classifying spaces of compact Lie groups and p-compact groups. In particular $p$-local compact groups give a unified framework in…

Algebraic Topology · Mathematics 2017-02-08 Ran Levi , Assaf Libman

We present a detailed analysis of 2-complete stable homotopy groups, both in the classical context and in the motivic context over C. We use the motivic May spectral sequence to compute the cohomology of the motivic Steenrod algebra over C…

Algebraic Topology · Mathematics 2014-12-17 Daniel C. Isaksen

In this note we present a complete computation of the topological K-theory of the reduced C*-algebra of a semidirect product of the form $\Gamma=\mathbb{Z}^n\rtimes_\rho\mathbb{Z}/2$ with no further assumptions about of the conjugacy action…

K-Theory and Homology · Mathematics 2020-09-23 Mario Velásquez

A C-motivic modular forms spectrum mmf has recently been constructed. This article presents detailed computational information on the Adams spectral sequence for mmf. This information is essential for computing with the C-motivic and…

Algebraic Topology · Mathematics 2018-11-21 Daniel C. Isaksen

In this paper, extending the results in \cite{F}, we compute Adams operations on twisted $K$-theory of connected, simply-connected and simple compact Lie groups $G$, in both equivariant and nonequivariant settings.

Algebraic Topology · Mathematics 2024-03-26 Chi-Kwong Fok

We find the stable homotopy classification of elliptic operators on stratified manifolds. Namely, we establish an isomorphism of the set of elliptic operators modulo stable homotopy and the $K$-homology group of the singular manifold. As a…

K-Theory and Homology · Mathematics 2011-11-08 V. E. Nazaikinskii , A. Yu. Savin , B. Yu. Sternin

This paper contains an overview of background from stable homotopy theory used by Freed--Hopkins in their work on invertible extended topological field theories. We provide a working guide to the stable homotopy category, to the Steenrod…

Algebraic Topology · Mathematics 2018-05-10 Agnes Beaudry , Jonathan A. Campbell

To any Adams-type spectrum $E$, Pstr\k{a}gowski produced a symmetric monoidal stable $\infty$-category $Syn_E$ whose objects are, in a sense, ''formal Adams spectral sequences''. $Syn_E$ comes equipped with a lax symmetric monoidal functor…

Algebraic Topology · Mathematics 2024-02-23 Peter Marek

In this paper, we construct a Real equivariant version of the B\"okstedt spectral sequence which takes inputs in the theory of Real Hochschild homology developed by Angelini-Knoll, Gerhardt, and Hill and converges to the equivariant…

Algebraic Topology · Mathematics 2024-08-15 Chloe Lewis

We study a collection of operations on the cohomotopy of any space, with which it becomes a "beta-ring", an algebraic structure analogous to a lambda-ring. In particular, this ring possesses Adams operations, represented by maps on the…

Algebraic Topology · Mathematics 2007-05-23 Pierre Guillot

We compute the continuous cohomology of the Morava stabilizer group with coefficients in Morava $E$-theory, $H^*(\mathbb{G}_2, E_t)$, at $p=2$, for $0\leq t < 12$, using the Algebraic Duality Spectral Sequence. Furthermore, in that same…

Algebraic Topology · Mathematics 2022-12-21 Agnes Beaudry , Irina Bobkova , Paul G. Goerss , Hans-Werner Henn , Viet-Cuong Pham , Vesna Stojanoska

We construct power operations for twisted KR-theory of topological stacks. Standard algebraic properties of Clifford algebras imply that these power operations preserve universal Thom classes. As a consequence, we show that the twisted…

Algebraic Topology · Mathematics 2024-07-19 Daniel Berwick-Evans , Meng Guo

Let $C_2$ denote the cyclic group of order two. Given a manifold with a $C_2$-action, we can consider its equivariant Bredon $RO(C_2)$-graded cohomology. In this paper, we develop a theory of fundamental classes for equivariant submanifolds…

Algebraic Topology · Mathematics 2021-12-01 Christy Hazel

For stable degree zero operations, and also for additive unstable operations of bidegree (0,0), it is known that the centre of the ring of operations for complex cobordism is isomorphic to the corresponding ring of connective complex…

Algebraic Topology · Mathematics 2012-04-16 Imma Galvez-Carrillo , Sarah Whitehouse

We study $v_n$-periodic phenomena in $C_2$-equivariant stable homotopy through the lens of the $C_2$-equivariant Adams spectral sequence at the prime 2. In particular, we construct/detect certain classes related to powers of the $v_n$…

Algebraic Topology · Mathematics 2026-04-28 Paul Shick

The classical trace map is a highly non-trivial map from algebraic K-theory to topological Hochschild homology (or topological cyclic homology) introduced by B\"okstedt, Hsiang and Madsen. It led to many computations of algebraic K-theory…

Algebraic Topology · Mathematics 2012-12-19 Emanuele Dotto

We calculate the integral homotopy groups of THH(l) at any prime and of THH(ko) at p=2, where l is the Adams summand of the connective complex p-local K-theory spectrum and ko is the connective real K-theory spectrum.

Algebraic Topology · Mathematics 2009-09-20 Vigleik Angeltveit , Michael Hill , Tyler Lawson

We describe a deformation of the $\infty$-category of Borel $G$-spectra for a finite group $G$. This provides a new presentation of the $a$-complete real Artin--Tate motivic stable homotopy category when $G=C_2$ and gives a new…

Algebraic Topology · Mathematics 2025-11-18 Gabriel Angelini-Knoll , Mark Behrens , Eva Belmont , Hana Jia Kong