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A Cheeger-Buser-type inequality on CW complexes
Published 2023-09-01Subjects: Get full text
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The homology groups $H_{n+1} \left( \mathbb{C}\Omega_n \right)$
Published 2022-12-01Subjects: Get full text
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Minimum d-convex partition of a multidimensional polyhedron with holes
Published 2008-11-01Subjects: Get full text
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Morse theory for C*-algebras: a geometric interpretation of some noncommutative manifolds
Published 2011-10-01Subjects: Get full text
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MIXED SERRE FIBRATION
Published 2022-09-01Subjects: “…M-Serre fibration, CW-complex space, M-path lifting property, M-Covering Homotopy Property.…”
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Discrete Morse theory and localization
Published 2018“…Incidence relations among the cells of a regular CW complex produce a poset-enriched category of entrance paths whose classifying space is homotopy-equivalent to that complex. …”
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Discrete Morse theory and classifying spaces
Published 2018“…To an acyclic partial matching μ on a finite regular CW complex X, Forman introduced a discrete analogue of gradient flows. …”
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Rational homotopy nilpotency of self-equivalences
Published 1997“…We study the homotopy nilpotency, after rationalization, of some spaces of self-homotopy equivalences of a finite, simply connected CW-complex.…”
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The Ball-Based Origami Theorem and a Glimpse of Holography for Traversing Flows
Published 2021“…The CW-complex $$\mathcal T(v)$$T(v) captures some residual information about the smooth structure on X (such as the stable tangent bundle of X). …”
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Local cohomology and stratification
Published 2019“…We outline an algorithm to recover the canonical (or, coarsest) stratification of a given finite-dimensional regular CW complex into cohomology manifolds, each of which is a union of cells. …”
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Combinatorial Topology of Toric arrangements
Published 2013-01-01“…We prove that the complement of a complexified toric arrangement has the homotopy type of a minimal CW-complex, and thus its homology is torsion-free. To this end, we consider the toric Salvetti complex, a combinatorial model for the arrangement's complement. …”
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Cuts and Flows of Cell Complexes
Published 2013-01-01“…We study the vector spaces and integer lattices of cuts and flows of an arbitrary finite CW complex, and their relationships to its critical group and related invariants. …”
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Some problems in algebraic topology
Published 1967“…THEOREM Let A be countable CW-complex, then $cocat A geq wcocat A geq nil A geq W-long A$ and furthermore all the inequalities can occur. …”
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Infinite loop spaces and nilpotent K-theory
Published 2017“…We introduce the notion of q-nilpotent K-theory of a CW-complex X for any q ≥ 2, which extends the notion of commutative K-theory defined by Adem-G´omez, and show that it is represented by Z × B(q, U), were B(q, U) is the q-th term of the aforementioned filtration of BU. …”
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Homotopy properties of horizontal loop spaces and applications to closed sub-riemannian geodesics
Published 2019“…In particular we prove that $\Lambda$ (with the $W^{1,2}$ topology) has the homotopy type of a CW-complex, that its inclusion in the standard base-point free loop space (i.e. the space of loops with no non-holonomic constraint) is a homotopy equivalence, and consequently its homotopy groups can be computed as $\pi_k(\Lambda)\simeq \pi_k(M) \ltimes \pi_{k+1}(M)$ for all $k\geq 0.$ These topological results are applied, in the second part of the paper, to the problem of the existence of closed sub-riemannian geodesics. …”
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