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math.DG2026
A new construction of the Riemannian deformation sequence
Andreas Cap
We obtain a new construction of a sequence of invariant differential operators on a Riemannian manifold that governs the linearized deformation theory of . Starting from…
math.DG2026
The Bernstein-Gelfand-Gelfand (BGG) Construction: Algebra, Geometry, and Analysis; Part I
Andreas Cap
These are lecture notes for the first part of a short course that I taught jointly with Kaibo Hu as part of the thematic program "Differential Complexes: Theory, Discretization, an…