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1) Define sites following [this Wikipedia page](https://en.wikipedia.org/wiki/Grothendieck_topology#Axioms). Reid Barton says that for the time being we should work with arbitrary categories and use t…
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PARI provides a method `hyperellpadicfrobenius` for computing the matrix of Frobenius on p-adic cohomology of a hyperelliptic curve over a prime field, and another method `nfhyperellpadicfrobenius` …
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This ticket adds a package of name sage.geometry.bott_bundles to compute cohomology and rank of some homogeneous vector bundles over flag manifolds via Bott's theorem for the general linear group, s…
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After PRs #77 and #78 are merged, we could replace all occurrences of the obsolete identifier `MP_INT` by `mpz_t` -- that's how GMP calls this type these days (i.e., since 1996).
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The existing module for the extraction of the asymptotic coefficient growth of multivariate generating functions, `sage.rings.asmyptotic.asymptotics_multivariate_generating_functions`, is generally …
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There's a construction called `Spec` which eats a commutative ring `R` and spits out a topological space `Spec R`. To a mathematician it is trivially true that if we have an isomorphism `f : R -> S` t…
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I am a researcher in mathematics. As someone who has also worked on semantic mathematics markup (in the form of my package [SemanTeX](https://ctan.org/pkg/semantex)), sTeX caught my attention. Congrat…
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Motivated by #24447 (building cvxopt's doc) and by my own hope to facilitate building the documentation of my group cohomology spkg, I suggest extending Sage's framework for building documentation, …
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My task is to open a window, draw some diagrams with `Chart` and interact with a human. `Chart-cairo` provides a function [`runBackend`] that creates a `cairo` `Render`. I was looking for a way to ren…
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Hello :wave:,
Thank you for this great implementation!
I would be interested in estimating the `coordinates` on a sample `X` and thenevaluating them at some new points `X_new`, that are in princ…