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Hi,
I was trying to check `msolve` functionality of this package and ran into a couple of issues.
1. I was trying to run a test example for `msolve` but ran into the following error:
```ERROR…
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This is potentially a large-scale problem, as can be seen using
```
grep -L "def __hash__" $(git grep -l "def __eq__" )
```
TODO LIST (extracted from errors on sage/python3 testsuite):
| **Ticket…
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The following could not be fixed in #715:
```
sage: K = GF(1
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UPSTREAM: https://www.singular.uni-kl.de:8005/trac/ticket/750
This works correctly:
```
sage: n=4;m=10;P = PolynomialRing(QQ,n*m,"x"); x = P.gens(); M = Matrix(n,x)
sage: M
[ x0 x1 x2 x3 x4 x…
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After testing sage-4.1.2.rc0 (and applying a tiny numerical noise fix), we have 12 files that all fail doctests with "myserious error":
```
wstein@bsd:~/build/sage-4.1.2.rc0$ grep mysterious testlo…
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The purpose of this ticket is to implement `dimension()` and a `is_smooth()` method for algebraic subschemes of toric varieties, that is, not necessarily complete intersection subschemes.
This patc…
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Sage allows to compute the inverse Laplace transform through Maxima's `ilt` function,
```
sage: var('s t')
sage: inverse_laplace(1/s, s, t)
1
```
An unevaluated expression is returned …
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The following quickly eats up memory:
```
sage: for D in xrange(2,2**32):
....: QuadraticField(-D);
....:
```
(This is with 5.10.rc0)
__Problem analysis__
The quadratic field is created with …
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**Tarball**: https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tgz
Note: upgrade to Python 2.7.12 done in #19735.
CC: @simon-king-jena @hivert @slel @EmmanuelCharpentier
Component: **packag…
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R(1) + S(1) caches a strong reference to both R and S, which we'd like to avoid.
See discussion at https://groups.google.com/forum/?fromgroups=#!topic/sage-devel/ozhIHIwQ4WA
CC: @nbruin @simon-k…