刺激
发表于 2025-3-26 23:21:14
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好色
发表于 2025-3-27 02:18:03
,Classification globale des formes différentielles transitives sur la sphère S5,ere exists a vector field . on .. such that ..ω = 0 and .(.) = υ. For volume forms (Moser theorem), closed 3-forms, non closed 2-forms and some non closed 3-forms, one explicitly obtains all their global models.
LURE
发表于 2025-3-27 09:05:50
,A Lecture on Poisson—Nijenhuis Structures,man. Then, in the particular case of Lie algebroids and differentiable manifolds, the Poisson—Nijenhuis structures are related to the notion of a complementary 2-form, that has been introduced and studied by the author in , and several examples of complementary forms and Poisson—Nijenhuis manifo
悬崖
发表于 2025-3-27 13:30:04
Integrable Hamiltonian Systems Associated to Families of Curves and Their Bi-Hamiltonian Structure,ta consist of a family of algebraic curves, parametrized by an affine algebraic variety ., a subalgebra . of .(.) and a polynomial φ(.) in two variables. The phase space is constructed geometrically from the family of curves and has a natural projection onto .; the regular functions on . lead to an
微生物
发表于 2025-3-27 15:40:06
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蚀刻术
发表于 2025-3-27 19:53:49
0743-1643 ms..Contributors to the volume include: Y. Benoist, G. Cairns, V. Cavalier, H. Flaschka, E. Ghys, A. Haefliger, B. Jessup, A. Lichnerowicz, G. Meigniez, I. Moerdijk, J. Pitkethly, T. Ratiu, J. Turiel, I. Vaisman, and P. Vanhaechke..978-1-4612-8668-4978-1-4612-4134-8Series ISSN 0743-1643 Series E-ISSN 2296-505X
meritorious
发表于 2025-3-27 22:19:53
0743-1643birthday of Pierre Molino..The topics cover the broad range of mathematical areas which were of keen interest to Molino, namely, integral systems and more generally symplectic geometry and Poisson structures, foliations and Lie transverse structures, transitive structures, and classification proble
CULP
发表于 2025-3-28 04:56:47
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Ornithologist
发表于 2025-3-28 06:49:24
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啜泣
发表于 2025-3-28 10:44:33
Conference proceedings 1997of Pierre Molino..The topics cover the broad range of mathematical areas which were of keen interest to Molino, namely, integral systems and more generally symplectic geometry and Poisson structures, foliations and Lie transverse structures, transitive structures, and classification problems..Contri