火海
发表于 2025-3-25 14:59:29
The Gerasimov-Drell-Hearn sum rule at MAMILet G be a finite group. We denote by .[.] the set of all formal linear combinations of elements of G with integer coefficients. In .[.] we define the operations of addition and multiplication in a quite natural way:..
蚀刻术
发表于 2025-3-25 17:21:37
Pedagogical Love and Good TeacherhoodBy the character of a finite-dimensional representation T of a group G, we mean the function
endure
发表于 2025-3-25 22:51:23
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可互换
发表于 2025-3-26 03:23:12
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CORD
发表于 2025-3-26 06:34:45
S. Mazevet,J. Berakdar,J. Lower,E. WeigoldConsider a geometric body which casts a shadow of constant area when illuminated by parallel rays from an arbitrary direction. Can one infer that the body is a sphere?
ITCH
发表于 2025-3-26 12:16:42
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骂人有污点
发表于 2025-3-26 15:38:14
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赔偿
发表于 2025-3-26 17:31:38
Groups and Homogeneous SpacesA . is a nonvoid set . of mappings of a certain set . onto itself with the following properties:
勉励
发表于 2025-3-26 21:00:33
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变形词
发表于 2025-3-27 04:29:51
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