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We present a one dimensional model for the development of corrugations in roads subjected to compressive forces from a flux of cars. The cars are modeled as damped harmonic oscillators translating with constant horizontal velocity across…

Statistical Mechanics · Physics 2009-10-31 Joseph A. Both , Daniel C. Hong , Douglas A. Kurtze

We calculate the `one-point function', meaning the marginal probability density function for any single eigenvalue, of real and complex Wishart correlation matrices. No explicit expression had been obtained for the real case so far. We…

Statistics Theory · Mathematics 2015-03-17 Christian Recher , Mario Kieburg , Thomas Guhr , Martin R. Zirnbauer

For an integer $p\geq 2$ we construct vertical and horizontal one-pth Riordan arrays from a Riordan array. When $p=2$, one-pth Riordan arrays reduced to well known half Riordan arrays. The generating functions of the $A$-sequences of…

Combinatorics · Mathematics 2021-01-19 Tian-Xiao He

Algorithms of control of differential equations solutions are under investigation in the article. Idealized and real modifications of the algorithms are distinguished. An equation, which can be the base equation for investigation of the…

Numerical Analysis · Computer Science 2016-01-05 Yu. V. Troshchiev

We use combinatorial and Fourier analytic arguments to prove various non-existence results on systems of real and complex unbiased Hadamard matrices. In particular, we prove that a complete system of complex mutually unbiased Hadamard…

Combinatorics · Mathematics 2012-01-04 Mate Matolcsi , Imre Z. Ruzsa , Mihaly Weiner

We establish strong duality relations for functional two-step compositional risk-constrained learning problems with multiple nonconvex loss functions and/or learning constraints, regardless of nonconvexity and under a minimal set of…

Machine Learning · Computer Science 2023-12-05 Dionysis Kalogerias , Spyridon Pougkakiotis

We show that the deviation between the slopes of two convex functions controls the deviation between the functions themselves. This result reveals that the slope -- a one dimensional construct -- robustly determines convex functions, up to…

Optimization and Control · Mathematics 2023-03-30 Aris Daniilidis , Dmitriy Drusvyatskiy

We prove that the equivalence of two fundamental problems in the theory of computing. For every polynomial $t(n)\geq (1+\varepsilon)n, \varepsilon>0$, the following are equivalent: - One-way functions exists (which in turn is equivalent to…

Computational Complexity · Computer Science 2020-09-25 Yanyi Liu , Rafael Pass

Given a specified average load factor, hash tables offer the appeal of constant time lookup operations. However, hash tables could face severe hash collisions because of malicious attacks, buggy applications, or even bursts of incoming…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-02 Junchang Wang , Xiong Fu , Fu Xiao , Chen Tian

For a one-dimensional random walk in random scenery (RWRS) on Z, we determine its quenched weak limits by applying Strassen's functional law of the iterated logarithm. As a consequence, conditioned on the random scenery, the one-dimensional…

Probability · Mathematics 2013-09-20 Nadine Guillotin-Plantard , Yueyun Hu , Bruno Schapira

This paper presents converse theorems for safety in terms of barrier functions for unconstrained continuous-time systems modeled as differential inclusions. Via a counterexample, we show the lack of existence of autonomous and continuous…

Optimization and Control · Mathematics 2023-04-06 Mohamed Maghenem , Ricardo. G. Sanfelice

We present a powerful new loss function and training scheme for learning binary hash functions. In particular, we demonstrate our method by creating for the first time a neural network that outperforms state-of-the-art Haar wavelets and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-12 Martin Loncaric , Bowei Liu , Ryan Weber

We base ourselves on the construction of the two-dimensional random interlacements [12] to define the one-dimensional version of the process. For this constructions we consider simple random walks conditioned on never hitting the origin,…

Probability · Mathematics 2016-08-04 Darcy Camargo , Serguei Popov

Many applications require comparing multimodal data with different structure and dimensionality that cannot be compared directly. Recently, there has been increasing interest in methods for learning and efficiently representing such…

Computer Vision and Pattern Recognition · Computer Science 2011-11-08 Michael M. Bronstein

Alignment algorithms usually rely on simplified models of gaps for computational efficiency. Based on an isomorphism between alignments and physical helix-coil models, we show in statistical mechanics that alignments with realistic laws for…

Genomics · Quantitative Biology 2015-06-26 E. Yeramian , E. Debonneuil

A minimal perfect hash function (MPHF) bijectively maps a set S of objects to the first |S| integers. It can be used as a building block in databases and data compression. RecSplit [Esposito et al., ALENEX'20] is currently the most space…

Data Structures and Algorithms · Computer Science 2023-07-06 Dominik Bez , Florian Kurpicz , Hans-Peter Lehmann , Peter Sanders

We describe an obstruction to smoothing stable maps in smooth projective varieties, which generalizes some previously known obstructions. Our obstruction comes from the non-existence of certain rational functions on the ghost components,…

Algebraic Geometry · Mathematics 2026-02-05 Fatemeh Rezaee , Mohan Swaminathan

Highway merges present difficulties for human drivers and automated vehicles due to incomplete situational awareness and a need for a structured (precedence, order) environment, respectively. In this paper, an unstructured merge algorithm…

Systems and Control · Electrical Eng. & Systems 2025-03-20 Shreshta Rajakumar Deshpande , Mrdjan Jankovic

We propose a new fast word embedding technique using hash functions. The method is a derandomization of a new type of random projections: By disregarding the classic constraint used in designing random projections (i.e., preserving pairwise…

Computation and Language · Computer Science 2018-08-31 Behrang QasemiZadeh , Laura Kallmeyer

The assessment of highly-risky situations at road intersections have been recently revealed as an important research topic within the context of the automotive industry. In this paper we shall introduce a novel approach to compute risk…

Neural and Evolutionary Computing · Computer Science 2007-05-23 Alejandro Chinea Manrique De Lara , Michel Parent
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