English
Related papers

Related papers: Generalised 3D Morton and Hilbert Orderings

200 papers

An algorithm for 3D terrain-following area coverage path planning is presented. Multiple adjacent paths are generated that are (i) locally apart from each other by a distance equal to the working width of a machinery, while (ii)…

Robotics · Computer Science 2026-03-24 Mogens Plessen

We present an application of Hilbert quasi-polynomials to order domains, allowing the effective check of the second order-domain condition in a direct way. We also provide an improved algorithm for the computation of the related Hilbert…

Commutative Algebra · Mathematics 2018-02-05 Carla Mascia , Giancarlo Rinaldo , Massimiliano Sala

Binet formulae for three versions of third-order Pell polynomials are derived.

Number Theory · Mathematics 2020-12-03 Helmut Prodinger

A real quadratic matrix is generalized doubly stochastic (g.d.s.) if all of its row sums and column sums equal one. We propose numerically stable methods for generating such matrices having possibly orthogonality property or/and satisfying…

Numerical Analysis · Computer Science 2018-09-21 Gianluca Oderda , Alicja Smoktunowicz , Ryszard Kozera

Ouroboros functions have shown some interesting properties when subjected to conventional operations. The aim of this paper is to continue our investigation and prove some additional properties of these functions. Using algebraic methods,…

General Mathematics · Mathematics 2021-07-06 Nathan Thomas Provost

We present quadrature schemes to calculate matrices, where the so-called modified Hilbert transformation is involved. These matrices occur as temporal parts of Galerkin finite element discretizations of parabolic or hyperbolic problems when…

Numerical Analysis · Mathematics 2022-07-26 Marco Zank

3-loop diagrams of the ladder-type, which emerge for local quarkonic twist-2 operator matrix elements, are computed directly for general values of the Mellin variable $N$ using Appell-function representations and applying modern summation…

High Energy Physics - Phenomenology · Physics 2015-06-05 Jakob Ablinger , Johannes Blümlein , Alexander Hasselhuhn , Sebastian Klein , Carsten Schneider , Fabian Wißbrock

Two-dimensional superintegrable systems with one third order and one lower order integral of motion are reviewed. The fact that Hamiltonian systems with higher order integrals of motion are not the same in classical and quantum mechanics is…

Mathematical Physics · Physics 2009-11-13 Ian Marquette , Pavel Winternitz

Online 3-dimensional bin packing problem (O3D-BPP) is getting renewed prominence due to the industrial automation brought by Industry 4.0. However, due to limited attention in the past and its challenging nature, a good approximate…

Robotics · Computer Science 2021-11-02 Ankush Ojha , Marichi Agarwal , Aniruddha Singhal , Chayan Sarkar , Supratim Ghosh , Rajesh Sinha

Virtual globes - programs implementing interactive three-dimensional (3D) models of planets - are increasingly used in geosciences. Global morphometric models can be useful for tectonic and planetary studies. We describe the development of…

Geophysics · Physics 2016-07-25 I. V. Florinsky , S. V. Filippov

The proper handling of 3D orientations is a central element in many optimization problems in engineering. Unfortunately many researchers and engineers struggle with the formulation of such problems and often fall back to suboptimal…

The greatest demand for today's computing is machine learning. This paper analyzes three machine learning algorithms: transformers, spatial convolution, and FFT. The analysis is novel in three aspects. First, it measures the cost of memory…

Systems and Control · Electrical Eng. & Systems 2023-12-25 Chen Ding , Christopher Kanan , Dylan McKellips , Toranosuke Ozawa , Arian Shahmirza , Wesley Smith

We present a numerical scheme for the solution of a class of atmospheric models where high horizontal resolution is required while a coarser vertical structure is allowed. The proposed scheme considers a layering procedure for the original…

Numerical Analysis · Computer Science 2011-11-01 Dante Kalise , Ivar Lie , Eleuterio F. Toro

This work focuses on regularity criteria of 3D generalized magneto-micropolar fluid system in terms of the pressure in Lorentz spaces inspired by the recent works in \cite{FS22} and \cite{LN22}.

Analysis of PDEs · Mathematics 2025-01-30 Jae-Myoung Kim

General structure of the multivariate plain and q-hypergeometric terms and univariate elliptic hypergeometric terms is described. Some explicit examples of the totally elliptic hypergeometric terms leading to multidimensional integrals on…

Classical Analysis and ODEs · Mathematics 2014-07-01 V. P. Spiridonov

We define morphological operators and filters for directional images whose pixel values are unit vectors. This requires an ordering relation for unit vectors which is obtained by using depth functions. They provide a centre-outward ordering…

Statistics Theory · Mathematics 2023-11-20 Konstantin Hauch , Claudia Redenbach

In this note we define a generalization of Hall-Littlewood symmetric functions using formal group law and give an elementary proof of the generating function formula for the generalized Hall-Littlewood symmetric functions. We also give some…

Rings and Algebras · Mathematics 2018-09-28 Hiroshi Naruse

A new set of projection operators for three-dimensional models are constructed. Using these operators, an uncomplicated and easily handling algorithm for analysing the unitarity of the aforementioned systems is built up. Interestingly…

High Energy Physics - Theory · Physics 2012-12-04 A. Accioly , B. Pereira-Dias , C. A. Hernaski , J. A. Helayël-Neto

It is well known that generalized models is attracting the attention of researchers in recent times because of their flexibilities. Particularly, the logistic model has been generalized and applied by many authors while the half logistic…

Statistics Theory · Mathematics 2008-12-18 A. K. Olapade

We introduce a novel neural network-based algorithm to compute optimal transport (OT) plans for general cost functionals. In contrast to common Euclidean costs, i.e., $\ell^1$ or $\ell^2$, such functionals provide more flexibility and allow…

Machine Learning · Computer Science 2024-05-31 Arip Asadulaev , Alexander Korotin , Vage Egiazarian , Petr Mokrov , Evgeny Burnaev