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math.AC2026
Taylor Morphisms
Gabriel Ng
We study generalised Taylor morphisms, functors which construct differential ring homomorphisms from ring homomorphisms in a uniform way, analogous to the Taylor expansion for smoo…
math.AC2025
Tressl's Structure Theorem for Separable Algebras
Gabriel Ng
This short paper presents a generalisation of Tressl's structure theorem for differentially finitely generated algebras over differential rings of characteristic 0 to the case of s…