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We provide a complete understanding of the rational homology of the space of long links of m strands in the euclidean space of dimension d > 3. First, we construct explicitly a cosimplicial chain complex whose totalization is…

Algebraic Topology · Mathematics 2017-05-31 Paul Arnaud Songhafouo Tsopméné

Consider a diagram of quasi-categories that admit and functors that preserve limits or colimits of a fixed shape. We show that any weighted limit whose weight is a projective cofibrant simplicial functor is again a quasi-category admitting…

Category Theory · Mathematics 2015-03-03 Emily Riehl , Dominic Verity

In this work, we establish some abstract results on the perspective of the fractional Musielak-Sobolev spaces, such as: uniform convexity, Radon-Riesz property with respect to the modular function, $(S_{+})$-property, Brezis-Lieb type Lemma…

Analysis of PDEs · Mathematics 2023-01-12 J. C. de Albuquerque , L. R. S. de Assis , M. L. M. Carvalho , A. Salort

We provide a convergence result for sequences of random variables taking values in a metric space that satisfy a stochastic quasi-Fej\'er monotonicity condition, in the context of a (local) compactness assumption. Our result is quantitative…

Optimization and Control · Mathematics 2026-02-27 Morenikeji Neri , Nicholas Pischke , Thomas Powell

There are two main results. The first states that isotropy subgroups of groups acting transitively on a rationally hyperbolic spaces have infinitely generated rational cohomology algebra. Using this fact, we prove that the analogous…

Algebraic Topology · Mathematics 2007-05-23 Jarek Kedra

We prove fibrewise versions of classical theorems of Hopf and Leray-Samelson. Our results imply the fibrewise H-triviality after rationalization of a certain class of fibrewise H-spaces. They apply, in particular, to universal adjoint…

Algebraic Topology · Mathematics 2012-08-21 Gregory Lupton , Samuel B. Smith

We introduce and study the non-connective spectral stack $\mathcal M_\mathrm{FG}^\mathrm{or}$, the moduli stack of oriented formal groups. We realize some results of chromatic homotopy theory in terms of the geometry of this stack. For…

Algebraic Geometry · Mathematics 2021-12-01 Rok Gregoric

We obtain a solution to a bordism version of Gromov's linearity problem over a large family of acyclic groups, for manifolds with arbitrary dimension. Every group embeds into some acyclic group in this family. Thus, the linear bordism…

Geometric Topology · Mathematics 2026-02-10 Jae Choon Cha , Geunho Lim

We derive the geodesic equation for relatively K\"ahler metrics on fibrations and prove that any two such metrics with fibrewise constant scalar curvature are joined by a unique smooth geodesic. We then show convexity of the log-norm…

Differential Geometry · Mathematics 2024-01-05 Michael Hallam

We show that the Bousfield-Kan spectral sequence which computes the rational homotopy groups of the space of long knots in ${\mathbb R}^d$, where $d\ge 4$, collapses at the $E^2$ page. The main ingredients in the proof are Sinha's…

Algebraic Topology · Mathematics 2007-09-19 Gregory Arone , Pascal Lambrechts , Victor Tourtchine , Ismar Volic

In this article we extend several foundational results of the theory of complete minimal surfaces of finite index in the Euclidean space to minimal surfaces in asymptotically flat manifolds and, more generally, to marginally outer-trapped…

Differential Geometry · Mathematics 2014-04-08 Alessandro Carlotto

In a preceding article the authors and Tran Ngoc Nam constructed a minimal injective resolution of the mod 2 cohomology of a Thom spectrum. A Segal conjecture type theorem for this spectrum was proved. In this paper one shows that the above…

Algebraic Topology · Mathematics 2016-11-25 Nguyen D. H. Hai , Lionel Schwartz

For any base field and integer $l$ invertible in $k$, we prove that $\Omega^\infty_{\mathbb{G}_m}$ and $\Omega^\infty_{\mathbb{P}^1}$ commute with hyper \'etale sheafification $L_{\acute{e}t}$ and Betti realization through infinite loop…

Algebraic Geometry · Mathematics 2024-08-20 Andrei Druzhinin , Ola Sande

We revisit the field content and consistency of the New General Relativity family of theories. These theories are constructed in a geometrical framework with a flat and metric-compatible connection, so the affine structure is entirely…

General Relativity and Quantum Cosmology · Physics 2020-01-15 Jose Beltrán Jiménez , Konstantinos F. Dialektopoulos

We show that in a fibration the coformality of the base space implies the coformality of the total space under reasonable conditions, and these conditions can not be weakened. The result is partially dual to the classical work of Lupton…

Algebraic Topology · Mathematics 2025-04-30 Ruizhi Huang

Operadic tangent cohomology generalizes the existing cohomology theories of Chevalley--Eilenberg, Hochschild, and Harrison to address the deformation theory of general types of algebras through gadgets known as deformation complexes. The…

Algebraic Topology · Mathematics 2026-03-12 José Moreno-Fernández , Pedro Tamaroff

We solve a motivic version of the Adams conjecture with the exponential characteristic of the base field inverted. In the way of the proof we obtain a motivic version of mod k Dold theorem and give a motivic version of Brown's trick…

K-Theory and Homology · Mathematics 2025-05-09 Alexey Ananyevskiy , Elden Elmanto , Oliver Röndigs , Maria Yakerson

Let $F$ and $k$ be perfect fields. The main goal of this paper is to investigate algebraic models for the Morel-Voevodsky unstable motivic homotopy category $\mathrm{Ho}(F)$ after $\mathbf{H}^{\mathbb{A}^1}k$ localization. More…

Algebraic Geometry · Mathematics 2019-11-13 Gabriela Guzman

We study moduli spaces of stable objects in the Kuznetsov components of Fano threefolds. We prove a general non-emptiness criterion for moduli spaces, which applies to the cases of prime Fano threefolds of index $1$, degree $10 \leq d \leq…

Algebraic Geometry · Mathematics 2024-06-14 Chunyi Li , Yinbang Lin , Laura Pertusi , Xiaolei Zhao

We characterize the absolute continuity of the law and the Malliavin-Sobolev regularity of random nodal volumes associated with smooth Gaussian fields on generic $\mathcal{C}^2$ manifolds with arbitrary dimension. Our results extend and…

Probability · Mathematics 2024-05-02 Giovanni Peccati , Michele Stecconi
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