News & Events

State of the art seminar

Date/Time: 
Thursday, November 23, 2017 - 15:30
Venue: 
SMS Seminar hall
Speaker: 
Nilkantha Das
Affiliation: 
NISER
Title: 
Riemann Roch Theorem

The Riemann-Roch Theorem is the foundation of the theory of algebraic curves. It gives a precise answer for the dimension of the space L(D) for a divisor D of an algebraic curve. The qualitative information that a Riemann surface is an algebraic curve is seen to be equivalent to more quantitative statement of Riemann-Roch.As an application of Riemann-Roch Theorem, it can be shown that any Algebraic curve can be holomorphically embedded into projective space. Any genus zero algebraic curve is isomorphic to the Riemann Sphere(C∞). Any non-degenerate smooth projective curve X in Pn of minimal degree n is a rational normal curve.

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