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Results tagged with dg.differential-geometry
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user 750
Complex, contact, Riemannian, pseudo-Riemannian and Finsler geometry, relativity, gauge theory, global analysis.
20
votes
Why is the exterior algebra so ubiquitous?
For me, the exterior algebra is the free polynomial algebra in anti-commutative variables. Of course, this begs the question, why do anti-commutative variables come up so much?
As a homological alge …
- 13k
4
votes
In which commutative algebras does any derivation possess a flow?
My guess is this is the kind of algebra you don't care about (since they aren't subrings of real-valued functions), but algebras of the form $\mathbb{R}[x]/x^n$ will have your property. When looking …
- 13k