2 papers
gr-qc2026
The Bianchi IX Attractor in Modified Gravity
Ester Beatriz, Everaldo Bonotto, Phillipo Lappicy
We consider vacuum anisotropic spatially homogeneous models in certain modified gravity theories (such as Hořava-Lifshitz, - or gravity), which are expected to describ…
math.AP2022
An energy formula for fully nonlinear degenerate parabolic equations in one spatial dimension
Phillipo Lappicy, Ester Beatriz
Energy (or Lyapunov) functions are used to prove stability of equilibria, or to indicate a gradient-like structure of a dynamical system. Matano constructed a Lyapunov function for…