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For the following polyhedra all things involving coercion fail.
```
sage: P = polytopes.icosahedron(); P
A 3-dimensional polyhedron in (Number Field in sqrt5 with defining polynomial x^2 - 5 with s…
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Let's check the different way we can implement the SOS constraint
``` julia
@polyconstraint q(x) >= 0 domain=[f_1(x) = 0, ..., f_m(x) = 0, g_1(x) >= 0, ..., g_p(x) >= 0])
```
There are basical…
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Currently, there's a problem with toric divisors of toric varieties created from fans that live in a sublattice.
The following examples illustrates that:
```
sage: N = ToricLattice(3)
sage: S = N.…
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Currently, one method in `sage.rings.invariant_theory` and another one in `sage.schemes.toric.weierstrass` make use of `__floordiv__`. More precisely, if p and m are elements in a ring R with base r…
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Kotlin∇ tries to build a mathematically sound type system capturing the relationship between functions and fields. This design should be described more formally, but in short there are two approaches:…
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Of course this would be restricted to very supersymmetric solutions, and solutions depend on which supergravity is chosen.
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Let A = (a_{ij}) be an m x n (m
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## About the author
My name is Andrea (Some may know me as Essentials of Math on YouTube). I'm a graduate student in math at Louisiana State University.
## Quick Summary
(Offer a brief pitch …
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```
The current module organization in SymPy is far from optimal. The "core" is
too big (several hundred kilobytes of code, much unrelated functionality
thrown in one place), and some closely related …
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To get the correct notion of surjection, it is very important that you use an existential quantifier / truncated dependent sum. Your definition means something, but it doesn't mean "surjection".
ht…