2 papers
math.AP2026
When Do Riemann Solutions Consist of Rarefactions, Jumps, and Constants?
Bradley J. Plohr, Stephen Schecter, Dan Marchesin
A solution of a Riemann problem for a strictly hyperbolic system of conservation laws is traditionally expected to consist of rarefaction waves, jump discontinuities, and constant…
q-bio.PE2020
Geometric Singular Perturbation Theory Analysis of an Epidemic Model with Spontaneous Human Behavioral Change
Stephen Schecter
We consider a model due to Piero Poletti and collaborators that adds spontaneous human behavioral change to the standard SIR epidemic model. In its simplest form, the Poletti model…