Humble
发表于 2025-3-30 10:03:30
F. E. A. Johnson also likely that much remains to be determined. The discovery of additional downstream effectors of Ras continues and reveals further diversity and complexity in the cytoplasmic signaling activities of Ras. The recent identification of . as a Ras effector links Ras activity directly to the actions
Madrigal
发表于 2025-3-30 14:50:42
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Felicitous
发表于 2025-3-30 17:47:12
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concentrate
发表于 2025-3-31 00:36:35
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FORGO
发表于 2025-3-31 01:26:55
Book 2012and familiar. In the general case, however, homotopy theory over nontrivial fundamental groups is much more problematic and far less well understood.. .Syzygies and Homotopy Theory. explores the problem of nonsimply connected homotopy in the first nontrivial cases and presents, for the first time, a
专心
发表于 2025-3-31 07:02:28
Preliminaries, this book is concerned with the general theory of modules and so, by association, with the general theory of rings. Given the pathology of which the subject is capable there is a tendency, frequently indulged in the literature, to present Ring Theory as a menagerie of wild beasts with strange and
gustation
发表于 2025-3-31 12:15:53
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惊奇
发表于 2025-3-31 16:38:29
The Calculus of Corners and Squares, namely ‘Mayer-Vietoris patching’ for vector bundles. Its translation into pure algebra was effected by Milnor in (Introduction to algebraic K-theory, Annals of mathematics studies, vol. 72. Princeton University Press, Princeton, .) and subsequently extended, notably by Karoubi (Ann. Sci. Éc. Norm.