Type: Seminar

Modified: Tue 11 Aug 2009 1159

Distribution: World

Expiry: 26 Aug 2009

Calendar2: 19 Aug 2009 1100-1200

CalLoc2: Carslaw 707A

Calendar3: 26 Aug 2009 1100-1300

CalLoc3: Carslaw 707A

Auth: laurent@p8163.pc.maths.usyd.edu.au

Newton polygon relative to an arc We give an elementary introduction to the singularity theory of complex polynomials of two variables. Let P(x,y) be such a polynomial, P(0,0)=0. Newton showed how to find the solutions y(x) of the equation P(x,y(x)) = 0, using the (Newton) polygon method. We generalize this construction to study the polar curves, Lojasiewicz exponents, singularities at infinity, and equi-singular deformations. (707A, August, Wednesday 12, 19, 11-12, and Wednesday 26, 11-13) These lectures are mainly designed for students.

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