Search Results - "Kristály, Alexandru"
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Sharp Sobolev inequalities on noncompact Riemannian manifolds with Ric≥0 via optimal transport theory
Published in Calculus of variations and partial differential equations (2024)“…In their seminal work, Cordero-Erausquin, Nazaret and Villani (Adv Math 182(2):307-332, 2004) proved sharp Sobolev inequalities in Euclidean spaces via Optimal…”
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Lord Rayleigh’s Conjecture for Vibrating Clamped Plates in Positively Curved Spaces
Published in Geometric and functional analysis (01-08-2022)“…We affirmatively solve the analogue of Lord Rayleigh’s conjecture on Riemannian manifolds with positive Ricci curvature for any clamped plates in 2 and 3…”
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Sharp isoperimetric and Sobolev inequalities in spaces with nonnegative Ricci curvature
Published in Mathematische annalen (01-04-2023)“…By using optimal mass transport theory we prove a sharp isoperimetric inequality in CD ( 0 , N ) metric measure spaces assuming an asymptotic volume growth at…”
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Nash-type equilibria on Riemannian manifolds: A variational approach
Published in Journal de mathématiques pures et appliquées (01-05-2014)“…Motivated by Nash equilibrium problems on ‘curved’ strategy sets, the concept of Nash–Stampacchia equilibrium points is introduced via variational inequalities…”
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Metric measure spaces supporting Gagliardo–Nirenberg inequalities: volume non-collapsing and rigidities
Published in Calculus of variations and partial differential equations (01-10-2016)“…Let ( M , d , m ) be a metric measure space which satisfies the Lott–Sturm–Villani curvature-dimension condition CD ( K , n ) for some K ≥ 0 and n ≥ 2 , and a…”
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On the geometry of irreversible metric-measure spaces: Convergence, stability and analytic aspects
Published in Journal de mathématiques pures et appliquées (01-02-2022)“…The paper is devoted to the study of Gromov-Hausdorff convergence and stability of irreversible metric-measure spaces, both in the compact and noncompact…”
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Saturation phenomena of a nonlocal eigenvalue problem: the Riemannian case
Published in Optimization (01-11-2024)“…In this paper we investigate the Riemannian extensibility of saturation phenomena treated first in the Euclidean framework by Brandolini et al. [Sharp…”
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A generic functional inequality and Riccati pairs: an alternative approach to Hardy-type inequalities
Published in Mathematische annalen (2024)“…We present a generic functional inequality on Riemannian manifolds, both in additive and multiplicative forms, that produces well known and genuinely new…”
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Compact Sobolev embeddings on non-compact manifolds via orbit expansions of isometry groups
Published in Calculus of variations and partial differential equations (01-08-2021)“…Given a complete non-compact Riemannian manifold ( M , g ) with certain curvature restrictions, we introduce an expansion condition concerning a group of…”
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Nonlinear spectrums of Finsler manifolds
Published in Mathematische Zeitschrift (2022)“…In this paper we investigate the spectral problem in Finsler geometry. Due to the nonlinearity of the Finsler–Laplacian operator, we introduce faithful…”
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Sharp log-Sobolev inequalities in CD ( 0 , N ) spaces with applications
Published in Journal of functional analysis (15-01-2024)Get full text
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Sharp Morrey-Sobolev Inequalities on Complete Riemannian Manifolds
Published in Potential analysis (01-01-2015)“…Two Morrey-Sobolev inequalities (with support-bound and L 1 −bound, respectively) are investigated on complete Riemannian manifolds with their sharp constants…”
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Elliptic differential inclusions on non-compact Riemannian manifolds
Published in Nonlinear analysis: real world applications (01-02-2023)“…We investigate a large class of elliptic differential inclusions on non-compact complete Riemannian manifolds which involves the Laplace–Beltrami operator and…”
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Unexpected Behaviour of Flag and S-Curvatures on the Interpolated Poincaré Metric
Published in The Journal of geometric analysis (01-10-2021)“…We endow the disc D = { ( x 1 , x 2 ) ∈ R 2 : x 1 2 + x 2 2 < 4 } with a Poincaré-type Randers metric F λ , λ ∈ [ 0 , 1 ] that ’linearly’ interpolates between…”
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Bifurcation effects in sublinear elliptic problems on compact Riemannian manifolds
Published in Journal of mathematical analysis and applications (2012)“…We prove a bifurcation result for a perturbed sublinear elliptic problem defined on a compact Riemannian manifold without boundary. This result is then applied…”
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A Sharp Sobolev Interpolation Inequality on Finsler Manifolds
Published in The Journal of geometric analysis (01-10-2015)“…In this paper we study a sharp Sobolev interpolation inequality on Finsler manifolds. We show that Minkowski spaces represent the optimal framework for the…”
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Elliptic problems on the ball endowed with Funk-type metrics
Published in Nonlinear analysis (01-06-2015)“…We study Sobolev spaces on the n-dimensional unit ball B super(n)(1) endowed with a parameter-depending Finsler metric F sub(a), a [setmembership] [0, 1],…”
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Geometric inequalities on Heisenberg groups
Published in Calculus of variations and partial differential equations (01-04-2018)“…We establish geometric inequalities in the sub-Riemannian setting of the Heisenberg group H n . Our results include a natural sub-Riemannian version of the…”
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Singular Poisson equations on Finsler–Hadamard manifolds
Published in Calculus of variations and partial differential equations (01-10-2015)“…In the first part of the paper we study the reflexivity of Sobolev spaces on non-compact and not necessarily reversible Finsler manifolds. Then, by using…”
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Optimization methods and algorithms
Published in Central European journal of operations research (01-03-2024)“…Recent results of three areas, pickup and delivery, optimal mass transportation, matching under preferences are highlighted. The topics themselves have been…”
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