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We find new families of shape invariant potentials depending on n>=1 parameters subject to translation by the inclusion of non-trivial invariants. New dependencies of the spectra are found, and it opens the door to the engineering of…

Quantum Physics · Physics 2022-05-11 Arturo Ramos

Differentiable structure ensures that many of the basics of classical convex analysis extend naturally from Euclidean space to Riemannian manifolds. Without such structure, however, extensions are more challenging. Nonetheless, in…

Optimization and Control · Mathematics 2023-11-28 Adrian S. Lewis , Genaro López-Acedo , Adriana Nicolae

This work reports a new methodology aimed at describing characteristics of protein structural shapes, and suggests a framework in which to resolve or classify automatically such structures into known families. This new approach to protein…

Quantitative Methods · Quantitative Biology 2007-05-23 Marconi Soares Barbosa , Rinaldo Wander Montalvao , Tom Blundell , Luciano da Fontoura Costa

In this paper we introduce a generalisation of a covariant Grothendieck construction to the setting of sites. We study the basic properties of defined site structures on Grothendieck constructions as well as we treat the cohomological…

Category Theory · Mathematics 2022-11-11 Nikita Golub

We construct sets $A, B$ in a vector space over $\mathbb{F}_2$ with the property that $A$ is "statistically" almost closed under addition by $B$ in the sense that $a + b$ almost always lies in $A$ when $a \in A, b \in B$, but which is…

Combinatorics · Mathematics 2017-11-15 Ben Green , Daniel Kane

Our basic concept is the set $\mathcal{E}(H)$ of effects on a finite dimensional complex Hilbert space $H$. If $a,b\in\mathcal{E}(H)$, we define the sequential product $a[\mathcal{I}]b$ of $a$ then $b$. The sequential product depends on the…

Quantum Physics · Physics 2023-08-01 Stanley Gudder

A new similarity measure for two sets of S-parameters is proposed. It is constructed with the modified Hausdorff distance applied to S-parameter points in 3D space with real, imaginary and normalized frequency axes. New S-parameters…

Mathematical Physics · Physics 2021-08-24 Yuriy Shlepnev

We expand the theoretical background of the recently introduced superadditive and subadditive transformations of aggregation functions $A$. Necessary and sufficient conditions ensuring that a transformation of a proper aggregation function…

Functional Analysis · Mathematics 2016-01-05 Alexandra Šipošová

In self-supervised learning, a model is trained to solve a pretext task, using a data set whose annotations are created by a machine. The objective is to transfer the trained weights to perform a downstream task in the target domain. We…

Machine Learning · Computer Science 2021-10-22 Prathamesh Sonawane , Sparsh Drolia , Saqib Shamsi , Bhargav Jain

Small-angle scattering (SAS) of X-rays, neutrons or light from ensembles of randomly oriented and placed deterministic fractal structures are studied theoretically. In the standard analysis, a very few parameters can be determined from SAS…

Soft Condensed Matter · Physics 2019-07-24 A. Yu. Cherny , E. M. Anitas , V. A. Osipov , A. I. Kuklin

We study H-structures associated to SU-rank 1 measurable structures. We prove that the SU-rank of the expansion is continuous and that it is uniformly definable in terms of the parameters of the formulas. We also introduce notions of…

Logic · Mathematics 2022-11-22 Alexander Berentein , Dario Garcia , Tingxiang Zou

Most physical or social phenomena can be represented by ontologies where the constituent entities are interacting in various ways with each other and with their environment. Furthermore, those entities are likely heterogeneous and…

Machine Learning · Computer Science 2020-07-23 Amine Laghaout

Vectorial dual-bent functions have recently attracted some researchers' interest as they play a significant role in constructing partial difference sets, association schemes, bent partitions and linear codes. In this paper, we further study…

Information Theory · Computer Science 2023-09-26 Jiaxin Wang , Fang-Wei Fu , Yadi Wei , Jing Yang

We consider various data-analysis queries on two-dimensional points. We give new space/time tradeoffs over previous work on geometric queries such as dominance and rectangle visibility, and on semigroup and group queries such as sum,…

Data Structures and Algorithms · Computer Science 2012-04-03 Gonzalo Navarro , Yakov Nekrich , Luís M. S. Russo

This paper is the first in a series of papers in which we define and study a category of "sheaves of $\mathcal Z$-modules on the set of alcoves" that carries important information on the category of representations of semisimple Lie…

Representation Theory · Mathematics 2017-01-16 Peter Fiebig , Martina Lanini

We explore the application of generating symmetries, i.e. symmetries that depend on a parameter, to integrable hyperbolic third order equations, and in particular to consistent pairs of such equations as introduced by Adler and Shabat (AS).…

Exactly Solvable and Integrable Systems · Physics 2023-11-30 Alexander G. Rasin , Jeremy Schiff

We construct a model of type theory enjoying parametricity from an arbitrary one. A type in the new model is a semi-cubical type in the old one, illustrating the correspondence between parametricity and cubes. Our construction works not…

Logic · Mathematics 2022-01-26 Hugo Moeneclaey

Physical and chemical properties of 2D material are highly sensitive to its structures whose regularity are seldom investigated, here we proposed a simple mechanical model whose covalent bonds are connected by angle springs, with which we…

Materials Science · Physics 2017-08-18 H-Lin Ding , Zhen Zhen , Haroon Imtiaz , Hongwei Zhu , B. Liu

Four-dimensional N=2 superconformal field theories have families of protected correlation functions that possess the structure of two-dimensional chiral algebras. In this paper, we explore the chiral algebras that arise in this manner in…

High Energy Physics - Theory · Physics 2022-08-22 Christopher Beem , Wolfger Peelaers , Leonardo Rastelli , Balt C. van Rees

We study a collection of stability conditions (in the sense of Schmitt) for complexes of sheaves over a smooth complex projective variety indexed by a positive rational parameter. We show that the Harder-Narasimhan filtration of a complex…

Algebraic Geometry · Mathematics 2012-02-17 Victoria Hoskins