New posts in Deformation Theory

Smoothness of total spaces with nice singular fibers

Where can I learn about differential graded algebras?

Residues of $\frac{1}{\prod_{i=1}^n (x-P_i)^{e_i}}$

Why is every deformation of the universal enveloping algebra of a complex semisimple Lie algebra trivial?

Clifford algebras as deformations of exterior algebras

Deformations of Calabi-Yau manifolds

When is a formal deformation convergent?

DGLA or $L_{\infty}$-algebra controlling the deformation of Einstein metrics and instantons

Some examples of $\mathbb Q$-Gorenstein smoothing

Misunderstanding in the hypotheses of Schlessinger's criterion