$\delta$-invariants of Du Val del Pezzo surfaces of degree $\ge 4$

Abstract

In this article, we compute $\delta$-invariants of Du Val del Pezzo surfaces of degree $\ge 4$.

This is the first paper in the series of articles. Other parts: arXiv:2311.14181 (degree 3), arXiv:2410.12512 (degree 2), arXiv:2410.19853 (degree 1) v2:49 pages:the structure of the text was changed, many pictures and tables were removed