Adornment
发表于 2025-3-26 21:12:46
ower-Ievel) optimization problem arises as a side constraint. One of the motivating factors was the concept of the Stackelberg solution in game theory, together with its economic applications. Other problems have been encountered in the seventies in natural sciences and engineering. Many of them are
Ankylo-
发表于 2025-3-27 03:49:14
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BROW
发表于 2025-3-27 08:10:35
hose two and to introduce probably the most important ”nonsmooth“ problem of mechanics: the problem of an elastic body in contact with a rigid obstacle. A simple way how to define this problem is to restrict the normal displacement of certain boundary points in the elasticity problem by means of the
Deject
发表于 2025-3-27 09:27:50
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overbearing
发表于 2025-3-27 16:04:54
https://doi.org/10.1007/b98975Kabatjanski-Levenstein method; Lattice; Lattice packings; Sphere packing; sausage conjecture; combinatori
不真
发表于 2025-3-27 20:25:35
978-1-4757-8148-9Springer Science+Business Media New York 1999
Ceramic
发表于 2025-3-27 22:44:51
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Pander
发表于 2025-3-28 03:42:15
Positive Definite Quadratic Forms and Lattice Sphere Packings,There is a remarkable relationship between lattice sphere packings and positive definite quadratic forms. This relationship plays an important role in determining the values of .(.) and .(.) for small .. Let Λ be a lattice with a basis {., ., ..., .}, where . = (., ., ..., .), and write
Spirometry
发表于 2025-3-28 09:57:42
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Middle-Ear
发表于 2025-3-28 10:45:34
Upper Bounds for the Packing Densities and the Kissing Numbers of Spheres II,Let . = conv., ., ..., . be a regular simplex in . of side lenght 2. We define .. In other words, σ. is the ratio of the volume of the part of the simplex covered by the unit spheres centered at its vertices to the volume of the whole simplex. Using geometric methods, C.A. Rogers improved Blichfeldt’s upper bound in 1958 with the following result.