3 papers
astro-ph.CO2026
Origin of the red spectral tilt in Inflation without an Inflaton
Raul Jimenez, Daniele Bertacca, Mariam Abdelaziz +3
In Inflation without an Inflaton (IWI), a de Sitter (dS) background drives inflation, and the graviton bilinear generates scalar perturbations at second order, with no inflaton or…
math.NT2025
A counting argument for the geometric Bombieri-Lang conjecture on ramified covers of abelian varieties
Guoquan Gao
We prove the geometric Bombieri-Lang conjecture for projective varieties which have finite maps to abelian varieties over function fields of characteristic 0. This generalizes the…
math.AG2023
A note related to Severi's finiteness theorem
Guoquan Gao
In this note we consider a question related to the high-dimensional generalization of the classical Severi's finiteness theorem for curves. We will introduce some background and th…