Spongy-Bone 发表于 2025-3-23 12:14:32
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Peter Symonds,Thomas Weigeler with a nondegenerate ground state. The characteristic features in the excitations in the two groups are summarized. The ultrafast dynamic was studied for three different poly(phenylacetylene)s (PPAs) with weakly-nondegenerate ground state to clarify the transition of the nonlinear properties betw连系 发表于 2025-3-24 01:09:38
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Lie Methods in the Theory of pro-, Groups,bjects, such as finite .-groups and residually finite groups. Aspects of this topic feature in several books and survey papers; see for instance , Chapter VIII, , , , , , , . In this survey I will try to focus on the most recent developments and applications,狂热文化 发表于 2025-3-24 07:10:11
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On Just Infinite Abstract and Profinite Groups,osed normal subgroups have finite index. Just infinite groups have arisen in a variety of contexts. The abstract just infinite groups having non-trivial abelian normal subgroups are precisely the space groups whose point groups act rationally irreducibly on the abelian normal subgroups (see McCarthy慢慢流出 发表于 2025-3-24 21:11:53
The Nottingham Group,ocal field.(where ..., this finitely generated pro-. Groups..was introduced to the group theory community in the work of D. Johnson (himself inspired by an article of S. Jennings ) and his Ph.D. student I. York . Viewing . as a group of formal power series under substitution, D. Jo轻弹 发表于 2025-3-25 00:50:17
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