MATEMATISK INSTITUTT
ALGEBRA/ALGEBRAISK GEOMETRI


Seminarprogram, våren 2001

Uke Algebraisk geometri, Ma 14-16 Ikke-kommutativ alg. geo., On 14-16 Hovedfagsseminaret i algebraisk geometri, To 14-16 Elliptiske kurver og kryptologi, Fr 12-14
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4 Jan Christophersen: K3-flater IV
5 Jan Christophersen: K3-flater V Sverre Smalø (NTNU): Nesten splitteksakte følger i kategorier av representasjoner av Quiver
6 Carsten Lutken: Quantum algebraic geometry Gunnar Fløystad (UiB): Koherente knipper på projektive rom: Hvordan beskrive dem v.h.a. graderte moduler over ytrealgebraen \wedge(V*) istedenfor graderte moduler over den symmetriske algebraen S(V). (Bernstein-Gelfand-Gelfand korresp.) Stefano Brangani (OMATS-stipendiat): Divisors and Projective Morphisms Kristian Ranestad: Elliptiske kurver på Hesseform
7 Jan Christophersen/Kistian Ranestad: K3 flater V/VI Lars Halle: Differentials Helge Lægreid: Rijndael, the Advanced Encryption Standard winner..
8 Alessandra Dragotto: Cohomology and Serre duality
9 Trygve Johnsen: K3 projective models in scrolls (sammen med UiB) Pål Hermunn Johansen: Curves, Riemann-Roch, etc. Kristian Ranestad: Elliptiske kurver på Hesseform II
10 Hans-Christian Bothmer(Bayreuth): Rational Zeros and Irreduciblity of Polynomials over finite Fields Lars Kadison (Gøteborg): Actions on Separable Frobenius Extensions in Non-Commutative Algebra Johannes Kleppe: Hurwitz's Theorem and Canonical Curves Leif Nilsen: Kryptoløsninger i dagens og morgendagens mobilsystemer - GSM og UMTS
11 Pietro De Poi (Trieste): First order congruences of lines in low-dimensional projective spaces Johannes Kleppe: Canonical Curves Kristian Ranestad: Elliptiske kurver på Hesseform III
12 Kistian Ranestad: K3 flater VII Alessandra Dragotti: The Geometry of Surfaces
13 Trygve Johnsen (Bergen): Curves in Calabi-Yau threefolds in homogeneous varieties Kristian Ranestad: Counting points on an elliptic curve: Satohs method I.
14 Pietro De Poi: Duality of polarized K3 surfaces Sefano Brangini: K3 Surfaces
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16 Sefano Brangini: K3 Surfaces Aksel Sogstad: Trust Management-the evolution of PKI?
17 Martin Gulbrandsen: K3 surfaces and Fano varieties Hege Reithe Frium: Torsjonspunkter pĆ elliptiske kurver på Hesseform
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19 Johannes Kleppe: Extra syzygies for artinian Gorenstein ring Stefano Brangani: Reider's Theorem Kristian Ranestad: Satohs metode; Et eksempel
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21 Carel Faber: Counting curves over finite fields and cohomology of moduli spaces Franck Melliez: Duality between (1,5) abelian surfaces
22 Andreas L. Knutsen:On higher order (birational) embeddings of surfaces. Workshop, ikkekommutativ geometri Berit Skjernaa: Elliptic curve point counting - developments since Satoh