منابع مشابه
Biextensions 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 ⊗...
متن کاملEctrodactyly in a Mix Breed Dog
Case Description- A 3-month-old, female mixed breed dog was presented to the Veterinary Teaching Hospital of Ferdowsi University with an obvious deformity in its right forelimb. Clinical Findings- - In clinical examination, there was a separation from elbow joint to the end of digits and a long skin cleft between these separated regions was seen. Radiographic examination revealed a wide space b...
متن کاملA Theory of Base Motives
When A is a commutative local ring with residue field k, the derived tensor product −⊗ L A k : D(A) → (k −Mod) lifts to a functor taking values in a category of modules over the ‘Tate cohomology’ RHom∗A(k, k), which is the universal enveloping algebra of a certain Lie algebra. Under reasonable conditions this lift satisfies a spectral sequence of Adams (or Bockstein) type. In a suitable categor...
متن کاملa comparison of linguistic and pragmatic knowledge: a case of iranian learners of english
در این تحقیق دانش زبانشناسی و کاربردشناسی زبان آموزان ایرانی در سطح بالای متوسط مقایسه شد. 50 دانش آموز با سابقه آموزشی مشابه از شش آموزشگاه زبان مختلف در دو آزمون دانش زبانشناسی و آزمون دانش گفتار شناسی زبان انگلیسی شرکت کردند که سوالات هر دو تست توسط محقق تهیه شده بود. همچنین در این تحقیق کارایی کتابهای آموزشی زبان در فراهم آوردن درون داد کافی برای زبان آموزان ایرانی به عنوان هدف جانبی تحقیق ...
15 صفحه اولBirational motives, I: pure birational motives
In the preprint [19], we toyed with birational ideas in three areas of algebraic geometry: plain varieties, pure motives in the sense of Grothendieck, and triangulated motives in the sense of Voevodsky. These three themes are finally treated separately in revised versions. The first one was the object of [21]; the second one is the object of the present paper; we hope to complete the third one ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Politics and the Life Sciences
سال: 2003
ISSN: 0730-9384,1471-5457
DOI: 10.1017/s0730938400006237