嬉戏
发表于 2025-3-21 18:40:50
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创作
发表于 2025-3-21 23:48:05
Visual Database Systems 3978-0-387-34905-3Series ISSN 1868-4238 Series E-ISSN 1868-422X
种植,培养
发表于 2025-3-22 00:43:48
IFIP Advances in Information and Communication Technologyhttp://image.papertrans.cn/v/image/983712.jpg
商议
发表于 2025-3-22 06:22:48
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COST
发表于 2025-3-22 10:46:16
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彩色
发表于 2025-3-22 15:08:28
Yves DennebouyWe discuss the topological realisation of certain Z/2-algebras .(.) over the mod 2 Steenrod algebra .(2). If an associative .-space .(.) satisfies .(.(.); Z/2)≅.(.), the mod 2 cohomology of its classifying space is isomorphic to the algebra of invariants of the canonical Gl.(Z/2)-action on a graded polynomial algebra in . variables of degree 1.
误传
发表于 2025-3-22 17:34:01
Matthew ChalmersAs part of the scientific activity in connection with the 70th birthday of the Adam Mickiewicz University in Poznan, an international conference on algebraic topology was held. In the resulting proceedings volume, the emphasis is on substantial survey papers, some presented at the conference, some written subsequently.
ICLE
发表于 2025-3-22 23:17:03
Gianfranco Congiu,Alberto Del Bimbo,Enrico VicarioLet V be an orthogonal representation of G=S. and let S(V), S(V⊕R) be the unit spheres in V, V⊕R respectively. In this paper we classify S.-equivariant maps S(V⊕R) → S(V). More precisely we construct an isomorphism . → A(V) where A(V) = = ⊕(. Z), H⊂S. runs over all isotropy subgroups of V different from S..
瘙痒
发表于 2025-3-23 05:27:21
In this chapter we shall use the Eilenberg-Mac Lane spaces introduced in the previous chapter in order to define cohomology groups. Then, using the homotopy properties proved for Moore spaces, we shall introduce a multiplicative structure on cohomology groups.
PAN
发表于 2025-3-23 08:55:09
Tiziana Catarci,Maria F. Costabile,Isabel F. Cruz,Yannis Ioannidis,Ben ShneidermanIn this paper We will discuss an algebraic version (Theorem 1.6) of the thick subcategory theorem of Hopkins-Smith (Theorem 1.4). The former is stated as Theorem 3.4.2 in , hut the proof given there is incorrect. (A list of errata for can be obtained by e-mail from the third author.)