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sagemath
GitHub Repository: sagemath/sagemath.github.io
 Path: blob/master/changelogs/sage-2.8.6.txt
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SAGE - 2.8.6

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 * Change Sage library to "GPL version >= 2."

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 * Robert Bradshaw -- upgrade Cython

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 * Martin Albrecht -- upgrade singular

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 * Jason Grout (refereed by Robert Miller) -- lots of updates to the graph theory package

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 * Mike Hansen -- updates to combinatorics; improved how multi-variate poly rings print.

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 * William Stein -- many bug fixes

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 * Martin Albrecht -- many small improvements to commutative algebra

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 * Joel Mohler -- optimizations

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 * Soroosh Yazdani -- improvements to smith normal form

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 * Gonzalo Tornaria and William Stein -- made pari c library interface automatically 

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                                         increase memory as needed

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 * Craig Citro and William Stein -- improvements to scons so that branch switching works.

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----------------------------------------------------------------------------------------------

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741	sage -bdist: after doing this in sage-2.8.5, the dsage unit tests don't run for the resulting binary

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763	serious bug latexing p-adic L-series

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769	Matrix_mod2_dense._echelon_strassen gives false results sometimes

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528	write new Integer_mod_dense class that wraps NTL directly

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593	MPolynomialIdeal.reduced_basis() doesn't behave as expected

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694	SAGE's multivariate gcd sucks over QQ and/or ZZ

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701	port srange to Cython for speed

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719	make pari.allocatemen() more clever

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728	sage_inspect broken

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735	issues with server timing out worksheets

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745	update the version of FLINT that is in Sage

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746	graphs: graph name is not reset using clear()

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747	flint build problem on itanium

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755	graphs: adjacency_matrix() does not call multiple_edges correctly.

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759	graphs: density returns incorrect result for directed graphs.

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764	repr(PolynomialRing(ZZ, 1, 'x')) is ambiguous

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770	Bad behaviour when Ctrl-C hit while running an expect interface

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776	kernel of linear homomorphism fails

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784	quotient spaces of vector spaces

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789	Can't create a submodule over a QQ[x]-module

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798	MPolynomial_libsingular.subs

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801	graphs: Latexify module-level documentation	

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806	matrix_integer_dense.elementary_divisors return a mutable object

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809	class_graph fixes

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810	gens_reduced for general ideals

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816	Commutative Algebra assorted functionality

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817	O(3^(-2)) is broken

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818	Convert of prod to Cython

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822	Some matrix multiplications inefficiencies

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730	graphs: fickle equality testing

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736	combinatorics updates

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761	graphs: Lots of various doc changes and additional doc tests.

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774	graphs: change "node" to "vertex"

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782	sage -testall should support ctrl-C

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786	standard smith normal form

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794	MPolynomial_libsingular.jacob()	

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796	Yet another fix for c_lib/scons stuff

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802	graphs: Streamline and document _cmp_ more

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760	graphs: a small change to subgraphs allow it to default to the original graph.

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795	tiny documentation update for MPolynomialIdeal.groebner_basis

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