2 papers
math.DG2009
Explicit Examples of Strebel Differentials
Philip Tynan
Let X be some Riemann surface, and let omega be a meromorphic quadratic differential form on X, that is, omega can be written in local coordinates as f(z) dz^2, for some meromorphi…
math.CO2008
Detecting integral polyhedral functions
Kiran S. Kedlaya, Philip Tynan
We study the class of real-valued functions on convex subsets of R^n which are computed by the maximum of finitely many affine functionals with integer slopes. We prove several res…