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The introduced notion of locally-periodic two-scale convergence allows to average a wider range of microstructures, compared to the periodic one. The compactness theorem for the locally-periodic two-scale convergence and the…

Analysis of PDEs · Mathematics 2012-09-19 Mariya Ptashnyk

In this paper we study M-theory compactifications on manifolds of G2 structure. By computing the gravitino mass term in four dimensions we derive the general form for the superpotential which appears in such compactifications and show that…

High Energy Physics - Theory · Physics 2009-11-10 Thomas House , Andrei Micu

We revisit second-order-in-time space-time discretizations of the linear and semilinear wave equations by establishing precise equivalences with first-order-in-time formulations. Focusing on schemes using continuous piecewise-polynomial…

Numerical Analysis · Mathematics 2026-01-07 Matteo Ferrari , Ilaria Perugia , Enrico Zampa

We prove that the L^2-Betti numbers of a unimodular locally compact group G coincide, up to a natural scaling constant, with the L^2-Betti numbers of the countable equivalence relation induced on a cross section of any essentially free…

Group Theory · Mathematics 2015-04-21 David Kyed , Henrik Densing Petersen , Stefaan Vaes

We study energy functionals obtained by adding a possibly discontinuous potential to an interaction term modeled upon a Gagliardo-type fractional seminorm. We prove that minimizers of such non-differentiable functionals are locally bounded,…

Analysis of PDEs · Mathematics 2018-11-22 Matteo Cozzi

We study a dark energy cubic bi-Galileons field model based on truncation of the recently proposed generalized covariant multi-Galileons model. We investigate the cosmological dynamic of the model by the theory of dynamical systems through…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-25 Hamza Boumaza , Khireddine Nouicer

We derive a strain-gradient theory for plasticity as the $\Gamma$-limit of discrete dislocation fractional energies, without the introduction of a core-radius. By using the finite horizon fractional gradient introduced by Bellido, Cueto,…

Analysis of PDEs · Mathematics 2025-10-06 Stefano Almi , Maicol Caponi , Manuel Friedrich , Francesco Solombrino

In this paper, we prove several rigidity results for compact initial data sets, in both the boundary and no boundary cases. In particular, under natural energy, boundary, and topological conditions, we obtain a global version of the main…

General Relativity and Quantum Cosmology · Physics 2023-02-03 Gregory J. Galloway , Abraão Mendes

Let $\Omega\subset\C^n$ be a bounded smooth pseudoconvex domain. We show that compactness of the complex Green operator $G_{q}$ on $(0,q)$-forms on $b\Omega$ implies compactness of the $\bar{\partial}$-Neumann operator $N_{q}$ on $\Omega$.…

Complex Variables · Mathematics 2009-03-24 Andrew S. Raich , Emil J. Straube

This paper deals with the following nonlocal system of equations: \begin{align}\tag{$\mathcal S$}\label{MAT1} (-\Delta_p)^s u = \frac{\alpha}{p_s^*}|u|^{\alpha-2}u|v|^{\beta}+f(x) \text{ in } \mathbb{R}^{d}, \, (-\Delta_p)^s v =…

Analysis of PDEs · Mathematics 2025-10-24 Nirjan Biswas , Souptik Chakraborty

We propose a discontinuous finite element approximation for a model of quasi-static growth of brittle fractures in linearly elastic bodies formulated by Francfort and Marigo, and based on the classical Griffith's criterion. We restrict our…

Analysis of PDEs · Mathematics 2007-05-23 A. Giacomini , M. Ponsiglione

For a bounded Lipschitz domain with Lipschitz interface we show the following compactness theorem: Any $L^2$-bounded sequence of vector fields with $L^2$-bounded rotations and $L^2$-bounded divergences as well as $L^2$-bounded tangential…

Analysis of PDEs · Mathematics 2023-09-28 Dirk Pauly , Nathanael Skrepek

In this paper, we study the well-posedness of the nonlinear deterministic constrained modified Swift-Hohenberg equation; this equation belongs to class of amplitude equations which describe the appearance of pattern formation in nature. The…

Analysis of PDEs · Mathematics 2025-07-22 Saeed Ahmed , Javed Hussain

We study the presence of abelian discrete symmetries in globally consistent orientifold compactifications based on rational conformal field theory. We extend previous work [1] by allowing the discrete symmetries to be a linear combination…

High Energy Physics - Theory · Physics 2015-02-11 Pascal Anastasopoulos , Robert Richter , A. N. Schellekens

The global-in-time existence and uniqueness of bounded weak solutions to a spinorial matrix drift-diffusion model for semiconductors is proved. Developing the electron density matrix in the Pauli basis, the coefficients (charge density and…

Analysis of PDEs · Mathematics 2013-12-10 Ansgar Jüngel , Claudia Negulescu , Polina Shpartko

Based on the ACV approach to transplanckian energies, the reduced-action model for the gravitational S-matrix predicts a critical impact parameter b_c ~ R = 2 G sqrt{s} such that S-matrix unitarity is satisfied in the perturbative region b…

High Energy Physics - Theory · Physics 2012-10-09 M. Ciafaloni , D. Colferai , G. Falcioni

We show that the (gauge fixed) classical action of the Color Glass Condensate is invariant under a suitable Becchi-Rouet-Stora-Tyutin symmetry, that holds after the gluon modes are split into their fast, semi-fast and soft components,…

High Energy Physics - Phenomenology · Physics 2015-06-18 D. Binosi , A. Quadri , D. N. Triantafyllopoulos

We establish a rigidity theorem for Brendle and Hung's recent systolic inequality, which involves Gromov's notion of \(T^{\rtimes}\)-stabilized scalar curvature. Our primary technique is the construction of foliations by free boundary…

Differential Geometry · Mathematics 2025-01-14 Yipeng Wang

For two commuting Tonelli Hamiltonians, we recover the commutation of the Lax-Oleinik semi-groups, a result of Barles and Tourin ([BT01]), using a direct geometrical method (Stoke's theorem). We also obtain a "generalization" of a theorem…

Analysis of PDEs · Mathematics 2015-05-14 Maxime Zavidovique

We investigate the $\Gamma$-convergence of Ambrosio-Tortorelli type-functionals for circle valued functions, in the case of volume terms with linear growth. We show the emergence of a non-local $\Gamma$-limit, which is due to the…

Analysis of PDEs · Mathematics 2026-01-29 Giovanni Bellettini , Roberta Marziani , Riccardo Scala