Download Algebraic Geometry and Complex Analysis: Proceedings of the by George R. Kempf (auth.), Enrique Ramírez de Arellano (eds.) PDF

By George R. Kempf (auth.), Enrique Ramírez de Arellano (eds.)

From the contents:G.R. Kempf: The addition theorem for summary Theta functions.- L. Brambila: life of yes common extensions.- A. Del Centina, S. Recillas: On a estate of the Kummer sort and a relation among moduli areas of curves.- C. Gomez-Mont: On closed leaves of holomorphic foliations via curves (38 pp.).- G.R. Kempf: Fay's trisecant formula.- D. Mond, R. Pelikaan: becoming beliefs and a number of issues of analytic mappings (55 pp.).- F.O. Schreyer: yes Weierstrass issues occurr at such a lot as soon as on a curve.- R. Smith, H. Tapia-Recillas: The Gauss map on subvarieties of Jacobians of curves with gd2's.

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Read or Download Algebraic Geometry and Complex Analysis: Proceedings of the Workshop held in Pátzcuaro, Michoacán, México, Aug. 10–14, 1987 PDF

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Extra resources for Algebraic Geometry and Complex Analysis: Proceedings of the Workshop held in Pátzcuaro, Michoacán, México, Aug. 10–14, 1987

Example text

M a t h . I, (1890) 113-128. + 0~p1(-ak+l) C o n s i d e r it's p r o j e c t i v i z a t i o n P(E) ÷EP' . + L ( - a k + l , l ) ÷Tp(E) ÷ 0 where L(a,b) refers first to the ruling line bundle and then to the h y p e r p l a n e class bundle of the scroll. Such a sequence allows tangent bundle c a l c u l a t i o n s bundle calculations. in terms of line F r o m this sequence the simplest c o h o m o l o g i c a l cal culation of the scroll's tangent bundle gives B r i e s k o r n ' s c r i t e r i o n for r i g i d i t y of scrolls, [E] , while combining rion of d e g e n e r a t i o n of scrolls, geometric it w i t h Harris crite- [H] , gives the following simple statement: D e g e n e r a t i o n of non-trivial rigid scrolls exist.

Ak+la = (x 0 , x I , - a l y l , . . , - a k + l Y k + -(ak+iS) ~- 0 (~/~X i , ~/~Yj) ~t 0 Theorem , , (x0 = (0 , 0 , y l , . . e. 2: x l ' etyl is I) w h i c h Yk+l ) the d i a g r a m in our c h o s e n bi-weighted L(l,0)+L(-al,l)+ basis Euler is 6. sequence: ..... (E)÷0 57 ~_~I {0} ~2-{0} x 1,(El ,~ (x0 , x~ , y~ ..... Yk+l ) -~ ( ~[0 Uoxa:~*,-~UoX/A~l ) a x I 2y 2 ak+ 1 x i Yk+l . . . 1 Xl 0 .... ' ~YI " ~P ) ~Yk+l Xo X21 0 0 . a2 - a a2 - a I _Xl iy2 XI ....... (Yl) 2 Yl Y2 a2 - al - 1 ~-- (a2 - a I)X i .

Ann. of Math. p. S. and Ramanan, S. Moduli of vector bundles on a 27 compact Riemann surface, Ann of Math. p. 14-51. S. and Ramanan S. Vector bundles on curves, Procc. Bombay Colloquium Algebraic Geometry, 1988. [II] Mukai S. Duality between D(X) and D(X) with its application to Plcard sheaves, Nagota Math. J. p. 153-i75 . [12] Ramanan, S. The moduli spaces of vector bundles over an algebraic curve, Math. Ann. 59-84. [13] Seshadri, C. , Space of unitary vector bundles on a compact Riemann surface,Ann, of Math.

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