Rizeng Chen

activity

20232026

most citedIsolating Bounded and Unbounded Real Roots of a Mixed Trigonometric-Polynomial

1 citations · 2 across the 5 of their papers we have counts for

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Showing 2025Show all

2 papers · 1 filter

math.AG2025

Stratifying Discriminant Hypersurface

Rizeng Chen, Hoon Hong, Jing Yang

This paper investigates the stratification of the discriminant hypersurface associated with a univariate polynomial via the number of its distinct complex roots. We introduce two n…

math.AG2025

What Kind of Morphisms Induces Covering Maps over a Real Closed Field?

Rizeng Chen

In this article, we show that a flat morphism of $k$ -varieties ( $char k = 0$ ) with locally constant geometric fibers becomes finite étale after reduction. When $k$ …