GUMP
发表于 2025-3-28 15:14:43
Chern Character,tion and then to calculate them. Many interesting invariants lie in the so-called .-groups. In the case of manifolds, for instance, these invariants are computed via the “Chern character”, which maps .-theory to the de Rham cohomology theory.
傲慢人
发表于 2025-3-28 19:06:02
Algebraic ,-Theory,. Then it was recognized that the Grothendieck group is closely related to the abelianization ..(.) of the general linear group, which had been studied earlier (1949) by J.H.C. Whitehead in his work on simple homotopy. The next step was the discovery of the ..-group by Milnor in his attempt to under
难解
发表于 2025-3-29 00:38:55
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faucet
发表于 2025-3-29 04:10:06
Imperialist Contradictions at the Threshold of the Third Millennium: A New Phase?,ansformations. Not by chance, then, has the same question emerged again after the fall and disintegration of the Soviet Union. What follows argues that this momentous event has ushered in a new phase of inter-imperialist relations. The focus will be on EU imperialism versus US imperialism. The thesi
概观
发表于 2025-3-29 10:29:40
Intelligent Classroom with Motion Sensor and 3D Vision for Virtual Reality e-Learningathematics. Our study is to help teachers to create the 3D stereographs they need in an easy and intuitive way. “3T in 3D” is a 3D motion sensor teaching system. A motion sensor and with 3D technologies, 3D objects can be manipulated by teachers and students. In this way, students can easily to unde
unstable-angina
发表于 2025-3-29 13:01:27
Conference proceedings‘‘‘‘‘‘‘‘ 2020y on May 26–28, 2020..Addressing the challenge of Knowledge Dynamics and Innovation-driven Policies Towards Urban and Regional Transition, the book presents a multi-disciplinary debate on the new frontiers of strategic and spatial planning, economic programs and decision support tools in connection
妨碍议事
发表于 2025-3-29 18:03:56
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barium-study
发表于 2025-3-29 20:05:02
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ENNUI
发表于 2025-3-30 00:59:59
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radiograph
发表于 2025-3-30 07:53:03
Michael Zemlindifferent expression profiles and function as antiviral molecules by maintaining the metabolic homeostasis of host cells during virus infection. Besides, a miRNA possesses multiple target genes and can conduct the same or similar functions in different animal species by targeting various mRNAs. Ther