Results 91 to 100 of about 1,880,861 (238)

HDembinski/jacobi: v0.9.1

open access: yes, 2023
Fix in publishing CI. Full Changelog: https://github.com/HDembinski/jacobi/compare/v0.9.0...v0.9.
Hans Dembinski
core   +1 more source

Arbitrary Lagrangian–Eulerian Formulation in a Rotating Frame to Model Friction Spinning

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 4, December 2026.
ABSTRACT Friction spinning is a metal forming process that can be used to manufacture various shapes by rotating a metallic workpiece relative to a blunt tool. When used as a hot metal forming process, the relative velocity between workpiece and tool is increased until substantial heat is generated due to friction.
Johannes Friedlein   +3 more
wiley   +1 more source

Couple-stress analysis of sliding frictional contact in functionally graded elastic layers

open access: yesArchives of Mechanics
This study investigates the two-dimensional sliding frictional contact problem of a functionally graded (FG) elastic layer pressed by a rigid cylindrical punch within the framework of couple-stress elasticity (CSE) to account for microstructural size ...
İ. Çömez
doaj   +1 more source

A stringy test of the Scalar Weak Gravity Conjecture

open access: yesNuclear Physics B, 2019
We prove a version of the Weak Gravity Conjecture for 6d F-theory or heterotic string compactifications with 8 supercharges. This sharpens our previous analysis by including massless scalar fields.
Seung-Joo Lee   +2 more
doaj   +1 more source

The timber-tree improved

open access: yes
Theil 1 und 2 in einem Bd.Autopsie nach Ex.
Ellis, William
core   +1 more source

Multivariate Jacobi and Laguerre polynomials, infinite-dimensional extensions, and their probabilistic connections with multivariate Hahn and Meixner polynomials [PDF]

open access: yes, 2011
Multivariate versions of classical orthogonal polynomials such as Jacobi, Hahn, Laguerre, Meixner are reviewed and their connection explored by adopting a probabilistic approach.
Robert C. Griffiths   +3 more
core   +1 more source

The Long Shadow of Karl Weierstraß Over the Calculus of Variations

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 4, December 2026.
ABSTRACT At first glance, it appears that the contents of Karl Weierstraß's (1815–1897) lecture courses on the calculus of variations were made available to the public only in the seventh volume of his Mathematische Werke, and thus not until 30 years after his death.
Peter Ullrich
wiley   +1 more source

T-SOLUTIONS OF THE 5D KALUZA-KLEIN MODEL

open access: yesOdessa Astronomical Publications, 2019
We consider spherically-symmetric solution of the 5D Kaluza-Klein theory, which metric coefficients depend on time only. When we construct the appropriate 4+1 splitting of the five-dimensional space and then perform the conformal transformation we get ...
M, S. Dmytriiev, V. D. Gladush
doaj   +1 more source

On the construction of fields and the topological role of Jacobi fields [PDF]

open access: yesReports on Mathematical Physics, 1985
Given a nuclear F-space E with continuous involution * denote by T(E) the tensor algebra over E and by \(\underline E\) the completion of T(E) with respect to the locally convex direct sum topology of the projective tensor product topologies on \(E^{\otimes n}\), \(n=1,2,... \). \(\underline E\) is a nuclear *-algebra with unit.
openaire   +1 more source

Jacobi Fields on Alexandrov Spaces

open access: yes, 2013
[[abstract]]探討Jacobi場是黎曼流形上的重要課題,而且其本身在幾何與拓樸也有重要的應用。 我們證明Jacobi場的大小在Alexaddrov空間上不小於其相對的Jacobi場的大小在常曲率空間上。Alexaddrov空間是黎曼流形的推廣有重要的應用。[[abstract]]Jacobi fields is a main tropicsin the course of Riemannian Geometry.
陳健雄
core  

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