'Poincar' presentation slideshows

The Ubiquity of Elliptic Curves

1.07k views • 48 slides

Chaos in Easter Island Ecology

503 views • 31 slides

South China University of Technology

South China University of Technology. Chaos. Xiao- Bao Yang Department of Physics. www.compphys.cn. Typically, there are m Eqs and m + m ( m ?1) / 2 unknowns. Review of R-K method. Decay problem. for j=1:nstep; tmp =Nu(j)-Nu(j)/tau* dt /2; Nu(j+1)=Nu(j)- tmp /tau* dt ;

423 views • 30 slides

178 views • 17 slides

Algebraic Topology - Homotopy Groups of Spheres

Algebraic Topology - Homotopy Groups of Spheres. Martin Leslie, University of Queensland. Topology. What is topology? The study of shape and continuous maps between them. We are interested in properties like connectivity and number of holes, not in distance.

1.05k views • 16 slides