TESS C code which computes the Hodge number of complete intersection Calabi-Yau manifolds embedded in products of ordinary projective spaces. PAFF Package for Algebraic Function Fields in one variable. Based on Axiom. Source code is available. Magma Computational Algebra System Home Page A Computational Algebra system for algebra, number theory and geometry. Hyperelliptic Curves MAGMA Package Magma package files by Michael Stoll. The algcurves Package in Maple Examples, test files, plots, documentation. Fundamental Domains A Java 1.1.1 applet for drawing fundamental domains for congruence subgroups acting on the upper-half plane. By Helena Verrill. Ganith Algebraic geometry tookit for the computation and visualization of algebraic equations. FTP download. INSTANTON Mathematica program which calculates instanton numbers and other data for Calabi-Yau complete intersections in toric varieties by A. Klemm. surf A tool to visualize real algebraic geometry: plane algebraic curves, algebraic surfaces and hyperplane sections of surfaces. Computing with the Jacobian of a Genus 2 Curve Pari/GP and Mathematica code to: Compute an equation for a genus 2 curve with a given Jacobian; Move points between the analytic Jacobian (as a torus) and the algebraic Jacobian (as a variety); Work with a fundamental domain for 2 dimensional Siegel upper half-space. |