河流
发表于 2025-3-25 06:42:09
Mark L. Braunstein,Mark L. Braunsteinaction between their intrinsic combinatorial and topologicalstructures makes finite spaces a useful tool for studying problems inTopology, Algebra and Geometry from a new perspective. In particular,the methods developed in this manuscript are used to study Quillen‘sconjecture on the poset of p-subgr
committed
发表于 2025-3-25 07:41:37
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删除
发表于 2025-3-25 12:33:03
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right-atrium
发表于 2025-3-25 16:55:16
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vertebrate
发表于 2025-3-25 22:35:36
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万神殿
发表于 2025-3-26 04:06:38
Mark L. Braunstein,Mark L. Braunsteinurfaces, in particular those concerning the deficiencies of linear systems, the irregularity . of a variety and the completeness, under suitable conditions, of the characteristic series of continuous systems. The chief tool is the theory of currents {see (IX, 3)}, though some of the topics could be
GRIN
发表于 2025-3-26 05:14:00
Mark L. Braunstein,Mark L. Braunsteinzed Green’s operators are a certain kind of generalized inverses of differential operators. We answer the question when the product of two generalized Green’s operators is again a generalized Green’s operator for the product of the corresponding differential operators and which boundary problem it s
grudging
发表于 2025-3-26 12:07:36
lly all previously proposed differential transformations of LPDOs are particular cases of this transformation (intertwining Laplace transformation, .). We give a practical procedure of construction of . and describe the classes of operators in ℝ. suitable for this transformation.
娘娘腔
发表于 2025-3-26 14:21:40
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钉牢
发表于 2025-3-26 19:18:06
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