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We derive a closed-form expression for the projection onto a capped rotated second-order cone -- a convex set that arises in perspective relaxations of nonlinear programs with binary indicator variables. The closed-form solution involves…

Optimization and Control · Mathematics 2025-07-16 Noam Goldberg , Ishy Zagdoun

It is proved that the linearity of metric projections on subspaces and the convexity of the polars of the convex cones in the uniformly convex and uniformly smooth Banach space are equivalent, and both of them is equivalent with the fact…

Functional Analysis · Mathematics 2025-11-25 A. B. Németh

In this paper we extend the notion of a Lorentz cone. We call a closed convex set isotone projection set with respect to a pointed closed convex cone if the projection onto the set is isotone (i.e., monotone) with respect to the order…

Optimization and Control · Mathematics 2014-12-12 S. Z. Németh , G. Zhang

We define a tensor product of linear sites, and a resulting tensor product of Grothendieck categories based upon their representations as categories of linear sheaves. We show that our tensor product is a special case of the tensor product…

Category Theory · Mathematics 2017-03-16 Wendy Lowen , Julia Ramos González , Boris Shoikhet

While faces of a polytope form a well structured lattice, in which faces of each possible dimension are present, this is not true for general compact convex sets. We address the question of what dimensional patterns are possible for the…

Metric Geometry · Mathematics 2017-03-23 Vera Roshchina , Tian Sang , David Yost

In this paper we study finite dimensional algebras, in particular finite semifields, through their correspondence with nonsingular threefold tensors. We introduce a alternative embedding of the tensor product space into a projective space.…

Combinatorics · Mathematics 2024-03-14 Stefano Lia , John Sheekey

Intrinsic volumes of convex sets are natural geometric quantities that also play important roles in applications, such as linear inverse problems with convex constraints, and constrained statistical inference. It is a well-known fact that,…

Probability · Mathematics 2014-11-25 Larry Goldstein , Ivan Nourdin , Giovanni Peccati

In this paper, we introduce cone normed linear space, study the cone convergence with respect to cone norm. Finally, we prove the completeness of a finite dimensional cone normed linear space.

General Mathematics · Mathematics 2010-09-14 T. K. Samanta , Sanjay Roy , Bivas Dinda

Increasingly in recent years, probabilistic computation has been investigated through the lenses of categorical algebra, especially via string diagrammatic calculi. Whereas categories of discrete and Gaussian probabilistic processes have…

Category Theory · Mathematics 2026-05-18 Antonio Lorenzin , Fabio Zanasi

Locally convex cones are generalization of locally convex spaces. The assertion, whether a barreled cone is an upper-barreled cone or not, was posed as a question in [A. Ranjbari, H. Saiflu, Projective and inductive limits in locally convex…

Functional Analysis · Mathematics 2019-09-10 Amir Dastouri , Asghar Ranjbari

We show that any minimizing hypercone can be perturbed into one side to a properly embedded smooth minimizing hypersurface in the Euclidean space, and every viscosity mean convex cone admits a properly embedded smooth mean convex…

Differential Geometry · Mathematics 2022-02-17 Zhihan Wang

This paper develops a uniformly valid and asymptotically nonconservative test based on projection for a class of shape restrictions. The key insight we exploit is that these restrictions form convex cones, a simple and yet elegant structure…

Econometrics · Economics 2021-09-21 Zheng Fang , Juwon Seo

Amenability is a geometric property of convex cones that is stronger than facial exposedness and assists in the study of error bounds for conic feasibility problems. In this paper we establish numerous properties of amenable cones, and…

Optimization and Control · Mathematics 2022-10-17 Bruno F. Lourenço , Vera Roshchina , James Saunderson

The tensor product of props was defined by Hackney and Robertson as an extension of the Boardman-Vogt product of operads to more general monoidal theories. Theories that factor as tensor products include the theory of commutative monoids…

Category Theory · Mathematics 2021-01-27 Amar Hadzihasanovic

Following up on a previous analysis of graph embeddings, we generalize and expand some results to the general setting of vector symbolic architectures (VSA) and hyperdimensional computing (HDC). Importantly, we explore the mathematical…

Machine Learning · Statistics 2023-05-23 Frank Qiu

Given a locally convex vector space with a topology induced by Hilbert seminorms and a continuous bilinear form on it we construct a topology on its symmetric algebra such that the usual star product of exponential type becomes continuous.…

Quantum Algebra · Mathematics 2021-08-20 Matthias Schötz , Stefan Waldmann

Statistical problems often involve linear equality and inequality constraints on model parameters. Direct estimation of parameters restricted to general polyhedral cones, particularly when one is interested in estimating low dimensional…

Methodology · Statistics 2025-05-01 Neha Agarwala , Arkaprava Roy , Anindya Roy

The projector onto the Minkowski sum of closed convex sets is generally not equal to the sum of individual projectors. In this work, we provide a complete answer to the question of characterizing the instances where such an equality holds.…

Optimization and Control · Mathematics 2018-09-17 Heinz H. Bauschke , Minh N. Bui , Xianfu Wang

This note is propaedeutic to the forthcoming work \cite{sil}; here we develop the terminology and results required by that paper. More specifically we introduce the concept of scalarly essentially integrable locally convex vector-valued…

Functional Analysis · Mathematics 2020-10-07 Benedetto Silvestri

We study the boundary structure of closed convex cones, with a focus on facially dual complete (nice) cones. These cones form a proper subset of facially exposed convex cones, and they behave well in the context of duality theory for convex…

Optimization and Control · Mathematics 2019-03-01 Vera Roshchina , Levent Tunçel