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In the algebra hierarchy, we naturally have this diamond.
```
CommutativeRing (CR)
/ \
Ring (R) CommutativeSemiring (CSR)
\ …
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The `__init__` method of GroupAlgebra did not check for commutativity of the group so that this would happen:
```
sage: G = AbelianGroup(2)
sage: A = GroupAlgebra(G)
sage: A.is_commutative()
True
s…
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The following code example results in an error on the `.doit()` line for sums:
```python
from sympy import *
k = symbols('k', real=True, positive=True)
f = Sum(1, (k, 0, 0))
f.doit()
```
No…
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This was done by @mrocklin for SymPy, but is should be general enough to allow us to reuse it.
http://matthewrocklin.com/blog/work/2012/11/01/Unification/
This would need a new implementation of Pat…
nouiz updated
7 years ago
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If you define a method that requires evidence for `A =:= B`, but then call some method that wants evidence for `B =:= A`, it will not compile, even though conceptually type equality is commutative.
…
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Even though
```
sage: MPC = MPComplexField(128)
sage: MPC.is_commutative()
True
```
MPC is not in commutative rings:
```
sage: MPC = MPComplexField(128)
sage: P. = PolynomialRing(ZZ, 'x')
sage: …
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Based on my understanding of the scheme, so long relinearization and mod switching aren't applied, ciphertext plaintext addition and multiplication are linear operations.
I've written some code to…
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While trying to find a Groebner basis, a message like this is output:
```
Info: Possible overflow of exponent vector detected.
Restarting with at least 32 bits per exponent.
```
Does this mea…
-
when I comment out `import pycoq`, I get
```
dune exec -- python3 _build/default/examples/add_commutative.py
Traceback (most recent call last):
File "_build/default/examples/add_commutative.py"…
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