317 citations · 1.1k across the 50 of their papers we have counts for
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Computational approach to compact Riemann surfaces
J. Frauendiener, C. Klein
A purely numerical approach to compact Riemann surfaces starting from plane algebraic curves is presented. The critical points of the algebraic curve are computed via a two-dimensi…
Blow-up of the non-equivariant 2+1 dimensional wave map
Jörg Frauendiener, Ralf Peter
It has been known for a long time that the equivariant 2+1 wave map into the 2-sphere blows up if the initial data are chosen appropriately. Here, we present numerical evidence for…
Free Versus Constrained Evolution of the 2+1 Equivariant Wave Map
Ralf Peter, Jörg Frauendiener
We compare the numerical solutions of the 2+1 equivariant Wave Map problem computed with the symplectic, constraint respecting Rattle algorithm and the well known fourth order Rung…
On the Velo-Zwanziger phenomenon
J. Frauendiener
The Rarita-Schwinger equation in a curved background and an external electromagnetic field is discussed. We analyse the equation in the 2-component spinor formalism and derive Buch…