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gr-qc2026
Einstein--Gauss--Bonnet Inflationary Cosmology in Phase- Formalism
Gevorg D. Manucharyan, Igor V. Fomin, Shivam Kumar Mishra +1
A central challenge in testing inflationary scenarios with cosmic microwave background (CMB) data is to derive predictions for cosmological observables that remain accurate beyond…
math.NA2026
Structure-Preserving and Pressure-Robust PINNs for Incompressible Oseen Problems
Shiv Mishra, Arbaz Khan
We develop a new class of physics-informed neural network approximations for the stationary Oseen equations based on stability-consistent loss constructions. In contrast to standar…