منابع مشابه
Motives for residential mobility in later life: post-move perspectives of elders and family members.
This qualitative study delineates motives for residential mobility, describes dynamics between the elder and family members during the move decision process, and locates the move decision within ecological layers of the aging context. Interviews were conducted with 30 individuals and couples (ages 60-87) who experienced a community-based move within the past year, and with 14 extended family me...
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The purpose of this study was to investigate what older adults with severe, moderate, or no mobility limitation consider motives for and barriers to engaging in physical exercise. Community-dwelling adults (N=645) age 75-81 years completed a questionnaire about their motives for and barriers to physical exercise and answered interview questions on mobility limitation. Those with severely limite...
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In [DeFM], Deligne constructs l-adic parabolic cohomology groups attached to holomorphic cusp forms of weight ≥ 2 on congruence subgroups of SL2(Z). These groups occur in the l-adic cohomology of certain smooth projective varieties over Q—the Kuga-Sato varieties— which are suitably compactified families of products of elliptic curves. In view of Grothendieck’s conjectural theory of motives it i...
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A general duality theorem for the category of motives is established, with a short, simple, and self-contained proof. Introduction Recently, due to the active study of cohomological invariants in algebraic geometry, “transplantation” of classical topological constructions to the algebraic-geometrical “soil” seems to be rather important. In particular, it is very interesting to study topological...
متن کاملBiextensions of 1-motives by 1-motives
Let S be a scheme. In this paper, we define the notion of biextensions of 1-motives by 1-motives. Moreover, if M(S) denotes the Tannakian category generated by 1-motives over S (in a geometrical sense), we define geometrically the morphisms of M(S) from the tensor product of two 1-motives M1⊗M2 to another 1-motive M3, to be the isomorphism classes of biextensions of (M1, M2) by M3: HomM(S)(M1 ⊗...
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ژورنال
عنوان ژورنال: Nature
سال: 1984
ISSN: 0028-0836,1476-4687
DOI: 10.1038/310005b0