Stably free modules and the unstable classification of 2-complexes

J Nicholson - arXiv preprint arXiv:2108.02220, 2021 - arxiv.org
… The set of homotopy types of finite 2-complexes X with fixed π1(X) ∼= G can therefore be
viewed as a tree (an acyclic graph) with edges between each X and X ∨S2. This tree is …

Quantifying the homology of periodic cell complexes

A Onus, V Robins - arXiv preprint arXiv:2208.09223, 2022 - arxiv.org
… chain complex of K, C•(K, G), is the differential Z-graded module where Ck(K, G) is the free
G-module … In this section, K denotes a d-periodic cellular complex equipped with a group of …

[PDF][PDF] Cyclic homology and moduli spaces of Riemann surfaces

CF Bodigheimer - Asterisque, 1994 - numdam.org
complex S(g) is not acyclic; in fact, its homology is precicely what interests us. Note that the
total complex is periodic … To involve A, we consider the K-module A in the group ring IK[©4 ^] …

Functionalisation of silica gel with cyclic and acyclic Schiff bases and related d-and/or f-metal complexes

P Di Bernardo, PL Zanonato, S Tamburini… - Inorganica chimica …, 2007 - Elsevier
… in which two grafted copper complexes coordinate only one … -metallic macrocyclic complexes
were transferred from a water… of solutions containing these metal complexes gave a clear …

[图书][B] Topological modular forms

CL Douglas, J Francis, AG Henriques, MA Hill - 2014 - books.google.com
… is the periodic version of the spectrum of topological modular … that complex K -theory is
determined by complex cobordism: … where K∗ is a module over the complex cobordism ring of the …

Smooth Actions of p-Toral Groups on ℤ-Acyclic Manifolds

KM Pawałowski, J Pulikowski - Proceedings of the Steklov Institute of …, 2019 - Springer
… of a finite Z-acyclic CW complex admitting a cellular map of … Moreover, for a real G-module
V and a G-space X, we denote … Let a0 be the unique fixed point of a p-periodic cellular map …

The Poincaré series of every finitely generated module over a codimension four almost complete intersection is a rational function

AR Kustin, SMP Slattery - Journal of Pure and Applied Algebra, 1994 - Elsevier
module whose Betti numbers are bounded. then the minimal resolution of M by free A-modules
is eventually periodic … The complex map E (where k is viewed as a complex concentrated …

Localization with respect to certain periodic homology theories

DC Ravenel - American Journal of Mathematics, 1984 - JSTOR
… If, on the other hand, X is E*-acyclic we say that X is dissonant… of the connective and periodic
complex K-theory localized at … graded module over it is a direct sum of cyclic modules of the …

A Localization Theorem for Derived Loop Spaces and Periodic Cyclic Homology

HI Chen - 2018 - escholarship.org
… theorem for the periodic cyclic homology of quotient stacks, we prove that the periodic cyclic
… We find, then that IndCoh(S) consists of complexes of A-modules on which u locally acts by …

On the Stable category of maximal Cohen-Macaulay modules over Gorenstein rings

TJ Puthenpurakal - arXiv preprint arXiv:2107.05237, 2021 - arxiv.org
… If M is a periodic A-module (ie, Ωr(M) ∼= M … periodic acyclic co-chain complex. If we drop
the assumption on acyclicty then we may ask whether there exist minimal periodic complexes