Sage 4.7.2 was released on 29 October 2011. It is available at http://www.sagemath.org/download.html * About Sage (http://www.sagemath.org) Sage is developed by volunteers and combines over 90 open source packages. It is available for download from www.sagemath.org and its mirrors in source or binary form. If you have any questions and/or problems, please report them to any of these Google groups: * sage-support: http://groups.google.com/group/sage-support * sage-devel: http://groups.google.com/group/sage-devel You can also drop by in #sagemath on freenode. Please report build and doctest results to the Google group * sage-release: http://groups.google.com/group/sage-release The following 100 people contributed to this release. Of those, 19 made their first contribution to Sage: - Achim Fassbender [first contribution] - Alexander Dreyer - Alex Ghitza - Alex Raichev [first contribution] - Aly Deines - André Apitzsch - Andrey Novoseltsev - Anne Schilling - Benjamin Jones - Bruce Cohen [first contribution] - Burcin Erocal - Christian Stump - Christopher Hall [first contribution] - Chris Wuthrich - Dan Drake - Dan Shumow - David Joyner - David Kirkby - David Loeffler - David Montminy [first contribution] - David Perkinson - David Roe - Diego de Estrada [first contribution] - Dima Pasechnik - Dmitrii Pasechnik - Douglas McNeil - Eviatar Bach - Florent Hivert - Francis Clarke - François Bissey - Franco Saliola - Frédéric Chapoton [first contribution] - Gustavo Rama - Harald Schilly - Ivan Andrus - Ivo Hedtke [first contribution] - Jan Groenewald - Jason Grout - Jason Hill [first contribution] - Jean-Pierre Flori - Jeroen Demeyer - Johan Bosman - John Cremona - John Palmieri - John Perry - Jonathan Bober - Joris Vankerschaver - Julian Rueth [first contribution] - Karl-Dieter Crisman - Katherine Stange [first contribution] - Kelvin Li - Keshav Kini - Kiran Kedlaya - Kwankyu Lee - Leif Leonhardy - Leonardo Sampaio - Luca De Feo - Luis Felipe Tabera Alonso - Maarten Derickx - Marco Streng - Mariah Lenox - Mario Pernici [first contribution] - Marshall Hampton - Martin Albrecht - Martin Raum - Martin von Gagern [first contribution] - Mike Hansen - Mike Zabrocki - Minh Van Nguyen - Mitesh Patel - Nathann Cohen - Nicolas Borie - Nicolas Estibals [first contribution] - Nicolas M. Thiéry - Nils Bruin - Pablo Angulo - Paulo César Pereira de Andrade - Paul-Olivier Dehaye - Paul Zimmermann - Peter Bruin - Punarbasu Purkayastha [first contribution] - Radoslav Kirov - R. Andrew Ohana - Reg Burgess [first contribution] - Rob Beezer - Robert Bradshaw - Robert Miller - Ryan Grout - Sébastien Labbé - Simon King - Simon Spicer - Steven Trogdon [first contribution] - Tom Boothby - Tom Denton - Vincent Delecroix - Volker Braun - Wai Yan Pong [first contribution] - Willem Jan Palenstijn - William Stein - Zafeirakis Zafeirakopoulos [first contribution] * Release manager: Jeroen Demeyer. * We closed 251 tickets in this release. For details, see http://boxen.math.washington.edu/home/release/sage-4.7.2/tickets.html Closed tickets: #8269: cygwin: maxima does not build on cygwin, possibly due to ECL bug. [Reviewed by Karl-Dieter Crisman, Mike Hansen] #9382: atlas not respecting SAGE_FAT_BINARY on i686 systems [Reviewed by Leif Leonhardy, Volker Braun] #10235: Karl-Dieter Crisman: singular-3-1-1-4.p3 is missing Singular.rc.in [Reviewed by Leif Leonhardy] #10715: upgrade Sphinx to upstream version 1.0.7 [Reviewed by John Palmieri] #11494: Get linbox to build on Cygwin [Reviewed by Karl-Dieter Crisman] #11519: Kiran Kedlaya: Singular hiccups when identifying its version [Reviewed by Simon King] #11636: Do not use PARI's hash_GEN() for gen.__hash__ -- it is buggy [Reviewed by William Stein] #6146: the detection of SAGE_ROOT in $SAGE_ROOT/sage script should expand symlinks recursively (fix this on systems that do *NOT* support readlink -f) [Reviewed by Jeroen Demeyer] #7347: numerical_integral(SR(0), 0, 1) gives an error [Reviewed by Karl-Dieter Crisman, Douglas McNeil] #9044: Use mpmath for the erf() function [Reviewed by Karl-Dieter Crisman] #9848: 'sage -advanced' does not mention the '-R' flag, which starts the R interpreter [Reviewed by Karl-Dieter Crisman] #11626: make the error function work in arbitrary precision [Reviewed by Paul Zimmermann, Karl-Dieter Crisman] #11629: Evaluating the order of an ideal class fails [Reviewed by Francis Clarke] #11707: Remove `readlink -n` and `realpath` from $SAGE_ROOT/sage [Reviewed by Jeroen Demeyer] #748: [waiting on upstream] update iml to the 1.0.3 release + our patches [Reviewed by Leif Leonhardy] #1904: elliptic curves -- some period lattice functions are not implemented [Reviewed by John Cremona, David Loeffler, Paul Zimmermann] #2110: Cython annotation should be available more easily [Reviewed by Robert Bradshaw] #8085: 1d line plot [Reviewed by Karl-Dieter Crisman] #8217: Marshall Hampton: make 4ti2 an optional package [Reviewed by David Perkinson] #10152: bug in integral_points (for elliptic curves over Q) [Reviewed by William Stein] #10252: ecm does not compile on some 32-bit Linux systems [Reviewed by Leif Leonhardy] #11242: python spkg build fails on Ubuntu 11.04 [Reviewed by Jan Groenewald, Leif Leonhardy] #11405: magma interface needs work in presence of newlines [Reviewed by William Stein] #11421: Mariah Lenox: upgrade optional package NZMATH to version 1.1.0 [Reviewed by William Stein] #11427: optional spkg database_gap-4.4.12.p0.spkg fails test on sage-4.7.1.alpha1 [Reviewed by William Stein] #11504: Karl-Dieter Crisman: Tachyon fails to build on Cygwin - again [Reviewed by Reg Burgess, Leif Leonhardy] #11723: Implement completion: LaurentPolynomialRing -> LaurentSeriesRing [Reviewed by Tom Boothby] #11728: Multiplication(?) buggy in AA [Reviewed by William Stein] #11733: do not load sagenb.misc.misc on startup [Reviewed by Julian Rueth] #11746: Unify the definition of "monomial", introduce "term" [Reviewed by William Stein] #11833: Class for ternary quadratic forms [Reviewed by Leif Leonhardy] #11834: Gustavo Rama: Class for ternary quadratic forms [Reviewed by Leif Leonhardy] #298: autotesting of examples [Reviewed by John Palmieri, Keshav Kini] #8995: @ sign in notebook username prevents TinyMCE from working [Reviewed by Karl-Dieter Crisman, Dmitrii Pasechnik] #11769: Singular does not build on Ubuntu Oneiric [Reviewed by Volker Braun] #11788: Symmetrica fails to build under stricter gcc-4.6.x link rules [Reviewed by Volker Braun] Merged in sage-4.7.2.alpha0: #2100: Jason Grout, Karl-Dieter Crisman: sensible defaults for aspect ratio [Reviewed by Andrey Novoseltsev, Karl-Dieter Crisman, Ryan Grout] #7496: Volker Braun, Karl-Dieter Crisman: symbolic variable names should be valid identifiers, or ridiculousness follows [Reviewed by Karl-Dieter Crisman, Volker Braun] #9080: Kwankyu Lee: add F-distribution support for RealDistribution [Reviewed by Karl-Dieter Crisman] #9180: Robert Bradshaw: Absolute interval arithmetic [Reviewed by Kiran Kedlaya] #9453: André Apitzsch: Implement Aurifeuillian factorization [Reviewed by Mariah Lenox] #10146: Dan Drake: update SageTeX spkg to version 2.3.1 [Reviewed by Mariah Lenox, Andrey Novoseltsev] #10226: Volker Braun: Rewrite ATLAS spkg-install [Reviewed by Dan Drake, David Kirkby] #10594: Ryan Grout, Keshav Kini: Upgrade Mercurial to 1.8.x [Reviewed by Dan Drake, Ryan Grout, John Palmieri] #10666: Volker Braun: document the SAGE_ATLAS_ARCH environment variable [Reviewed by Dan Drake] #10692: Christian Stump: new method RootSystem.root_poset [Reviewed by Frédéric Chapoton] #10724: Paul-Olivier Dehaye: include support for beta variables for partitions [Reviewed by Benjamin Jones] #10736: Robert Bradshaw: int raised to a RealNumber gives an error [Reviewed by Dan Drake, Mariah Lenox] #10747: Burcin Erocal, Zafeirakis Zafeirakopoulos: symbolic functions can be defined with a constant argument [Reviewed by Karl-Dieter Crisman] #10771: Simon King: gcd and lcm for fraction fields [Reviewed by Marco Streng, Mariah Lenox] #10839: Rob Beezer: LU decomposition for rectangular matrices [Reviewed by Ryan Grout] #10845: Mario Pernici: fixed errors in documentation in two ETuple methods [Reviewed by Ivo Hedtke] #11196: Florent Hivert: Compute heights of Dyck words and compare them [Reviewed by Mike Hansen] #11232: Dima Pasechnik: we should not build patch on Cygwin on Windows 7 [Reviewed by David Kirkby, Karl-Dieter Crisman] #11244: François Bissey: In python-2.7 deprecation warnings are not shown to the user by default [Reviewed by Mariah Lenox] #11246: Dima Pasechnik, Jeroen Demeyer: flint-1.5.0.p5's extraneous #includes break typedef ulong in sys/types.h [Reviewed by Karl-Dieter Crisman, Leif Leonhardy] #11251: Florent Hivert: Add todo extension to Sphinx [Reviewed by John Palmieri] #11287: Nicolas M. Thiéry: Interface to runsnake and import_statements [Reviewed by Franco Saliola, Simon King, Christian Stump] #11312: Volker Braun: Speed up the computation of the Hilbert basis of a cone [Reviewed by Andrey Novoseltsev] #11376: François Bissey: Remove the hardcoding of python version in setup.py and SConstruct to build sage_clib and sage itself [Reviewed by Mariah Lenox] #11392: Volker Braun: Toric ideals over fraction fields [Reviewed by Andrey Novoseltsev] #11411: Frédéric Chapoton: some q binomial coefficients should be zero [Reviewed by Florent Hivert] #11454: Marco Streng: Extend the Magma interface to Conics [Reviewed by Mariah Lenox] #11498: Andrey Novoseltsev: Improve LaTeXing of strings [Reviewed by John Palmieri] #11522: Ivo Hedtke: partition centralizer_size doc is badly set up [Reviewed by John Palmieri] #11524: Alex Raichev: Function to test for algebraic dependence of polynomials [Reviewed by Martin Albrecht] #11527: Karl-Dieter Crisman: Add revolution_plot3d to reference manual [Reviewed by John Palmieri, Ivo Hedtke] #11530: Simon King, Rob Beezer: Conversion of finite field elements to PARI disregards characteristic and mangles "Mod" [Reviewed by Jeroen Demeyer] #11533: William Stein: allow unicode strings for specifying elliptic curve cremona labels [Reviewed by Robert Bradshaw] #11549: Joris Vankerschaver, Jeroen Demeyer: Arithmetic with symbolic vectors always creates a new FreeModuleElement_generic_dense [Reviewed by David Roe] #11550: Mike Hansen, Karl-Dieter Crisman: Singular does not build on Cygwin on Windows 7 [Reviewed by Karl-Dieter Crisman, Jeroen Demeyer] Merged in sage-4.7.2.alpha1: #8821: Simon King: Adding a section on coercion to the tutorial (guided tour) [Reviewed by John Palmieri, Leif Leonhardy] #8938: Francis Clarke, Andrey Novoseltsev: Multivariate polynomials can be incorrectly formatted in LaTeX [Reviewed by Martin Albrecht, John Palmieri] #10319: Johan Bosman: segmentation fault in sparse rational matrix manipulations [Reviewed by Rob Beezer] #10848: Rob Beezer: Checks for Hermitian matrices [Reviewed by Mike Hansen] #10926: Chris Wuthrich: is_gamma0_equiv on Cusps is wrong [Reviewed by David Loeffler] #11106: Achim Fassbender, Radoslav Kirov: Make location of notebook style files configurable [Reviewed by Burcin Erocal] #11144: Ivo Hedtke: trivial typo messes up interact doc [Reviewed by John Palmieri] #11183: Tom Denton: Stembridge local characterization for crystal bases [Reviewed by Anne Schilling] #11224: Nicolas M. Thiéry: Support for the descriptor protocol for lazy_import'ed objects [Reviewed by Mike Hansen] #11261: Alexander Dreyer: Update PolyBoRi to upstream release 0.7-1 [Reviewed by Burcin Erocal, François Bissey, Karl-Dieter Crisman] #11265: Kwankyu Lee: "\dots" in docstring is not converted to "..." properly. [Reviewed by Ivo Hedtke] #11298: Simon King: Extend the capabilities of Sage's introspection [Reviewed by John Palmieri] #11304: Francis Clarke: Problems with S-class groups of number fields [Reviewed by John Cremona] #11316: Kwankyu Lee: Weighted degree term orders added [Reviewed by Simon King] #11350: Simon King: Fraction fields should know whether they are finite or not. [Reviewed by Robert Bradshaw, Jeroen Demeyer, John Palmieri] #11356: Rob Beezer: Companion matrix constructor [Reviewed by David Loeffler] #11424: Vincent Delecroix: Build Integer from Unicode [Reviewed by Mariah Lenox] #11435: Paul-Olivier Dehaye: empty partition causes error for down_list [Reviewed by Nathann Cohen] #11456: Marco Streng: Make the Magma interface able to convert number field elements from Magma to Sage [Reviewed by William Stein] #11468: Jean-Pierre Flori: Memleak in singular.pyx [Reviewed by Mariah Lenox, Jonathan Bober] #11489: Bruce Cohen: iframe command [Reviewed by Keshav Kini, Ryan Grout] #11495: Willem Jan Palenstijn: Trac #1092 small memleaks exposed by ntl_ZZ_pE (from 2.8.12.alpha0) [Reviewed by Jonathan Bober] #11546: Anne Schilling: Implementation of energy function for crystals [Reviewed by Tom Denton] #11547: Mike Hansen, Karl-Dieter Crisman: Copy needed dll to so files on Cygwin [Reviewed by Dmitrii Pasechnik] #11557: Volker Braun: Machine-readable timeit() output [Reviewed by John Palmieri] #11558: Volker Braun: Echelonize with transformation=True oddness for sparse matrix [Reviewed by Rob Beezer] #11578: William Stein: elliptic curve isogeny: error in documentation and a comment [Reviewed by Dan Shumow] #11589: Martin Albrecht, Simon King: faster zero matrix creation [Reviewed by Simon King, Martin Albrecht] #11592: Eviatar Bach: Improvements to units convert function [Reviewed by Burcin Erocal] #11611: Jeroen Demeyer: Equal PARI integers have different hashes [Reviewed by William Stein] #11617: William Stein: sending certain large strings to the gp PARI pexpect interface fails [Reviewed by Mike Hansen] #11659: Jeroen Demeyer: Increase LaTeX SAVE_SIZE in Sphinx [Reviewed by Leif Leonhardy] Merged in sage-4.7.2.alpha2: #4578: Martin Raum: optimize modular symbols decomposition algorithm [Reviewed by David Loeffler] #6670: Martin Raum, John Palmieri: Port group algebras to the current coercion system [Reviewed by John Palmieri, Martin Raum] #7654: Martin Albrecht: Conversion bug in MPolynomialRing_libsingular [Reviewed by Simon King] #9631: William Stein, Mitesh Patel: Remerge #9501 after resolving NFS and/or doctest problems with @fork [Reviewed by Volker Braun] #10497: Nathann Cohen: Constraint Generation for TSP/Hamiltonian Cycle [Reviewed by Leonardo Sampaio] #10530: Eviatar Bach: De Bruijn Sequence construction for combinat [Reviewed by Nicolas M. Thiéry, Nathann Cohen] #10793: Andrey Novoseltsev: Matrices can be "constructed" from matrices of wrong dimensions [Reviewed by Volker Braun] #11053: Nathann Cohen: improving shortest path all pairs through BFS computations [Reviewed by Leonardo Sampaio] #11121: Keshav Kini, John Palmieri: Set up good defaults for sage's mercurial [Reviewed by John Palmieri, Keshav Kini] #11166: Nicolas Borie: Typo in initialization of FreeModule_generic_field [Reviewed by Kelvin Li, Rob Beezer] #11267: Simon King: cdef public attributes of a class should only appear in the docs if they have a proper docstring [Reviewed by John Palmieri] #11379: Sébastien Labbé: Add Quantumino solver to sage/games [Reviewed by Rob Beezer] #11388: Robert Bradshaw: Allow start/stop recording exceptions in the coercion model [Reviewed by Luis Felipe Tabera Alonso] #11480: Rob Beezer: ZigZag and rational (canonical) forms [Reviewed by David Loeffler] #11499: Karl-Dieter Crisman: Sage library fails to build on Cygwin [Reviewed by Reg Burgess] #11535: Rob Beezer: Linear dependence/independence of vectors [Reviewed by Ivo Hedtke] #11540: Maarten Derickx: Make elliptic curve reduction consistent with has_good_reduction [Reviewed by Chris Wuthrich] #11552: Rob Beezer: Fix surjectivity testing for free module morphisms [Reviewed by John Palmieri] #11577: Leif Leonhardy, John Palmieri: save(x,filename) fails for pure Python objects for x if filename contains a dot [Reviewed by John Palmieri, Leif Leonhardy] #11600: Rob Beezer: Add alias for free module morphism lift method [Reviewed by Martin Raum] #11602: John Palmieri: install_scripts should use "$@" instead of $* [Reviewed by Leif Leonhardy] #11610: Simon King: Reduce memory consumption of generic Strassen-Winograd implementation [Reviewed by Ivo Hedtke] #11618: Leif Leonhardy: solve with solution_dict=True doesn't always return a list [Reviewed by Karl-Dieter Crisman] #11620: Robert Miller: Bugs persist in graph_isom_equivalent_non_edge_labeled_graph [Reviewed by Nathann Cohen] #11623: Robert Miller: small optimization to girth [Reviewed by Nathann Cohen] #11624: Martin Raum: List Sidon g-sets [Reviewed by Nicolas Borie] #11658: Leif Leonhardy: the timeout option is not working correctly in parallel computing [Reviewed by Volker Braun] #11665: Leif Leonhardy: Don't delete built Sage documentation until Sphinx has been successfully (re)installed [Reviewed by John Palmieri] #11686: John Palmieri: Race condition in matplotlib mkdir() [Reviewed by Leif Leonhardy] Merged in sage-4.7.2.alpha3: #813: Simon King: forced coercion vs. automatic coercion [Reviewed by Julian Rueth] #3052: Keshav Kini: mercurial --> plain text --> mercurial [Reviewed by Volker Braun] #5847: Mike Hansen, Leif Leonhardy, Jeroen Demeyer: Update GMP-ECM to 6.3 [Reviewed by Leif Leonhardy, Dmitrii Pasechnik, Mariah Lenox, Maarten Derickx] #6315: Mariah Lenox, William Stein: optional doctest failure -- caused by mistakes in lectures on number theory rst book [Reviewed by Marco Streng] #6329: Mariah Lenox, William Stein: optional doctest failure -- breakage in the sage<-->magma interface [Reviewed by Mike Hansen] #7714: Martin Albrecht: bug in matrix pivots over multivariate polynomial ring [Reviewed by Luis Felipe Tabera Alonso] #7852: Rob Beezer, Leif Leonhardy: solve_left for RDF matrices is WRONG [Reviewed by Martin Raum, Leif Leonhardy, Rob Beezer] #7879: Robert Bradshaw: Remove unnecessary signal handling for low prec mpfr operations. [Reviewed by Alex Ghitza, Mariah Lenox, William Stein] #8094: Harald Schilly, Jason Grout, Martin Raum: shortcuts properties for matrix transpose, complex conjugate, conjugate transpose, and inverse [Reviewed by Rob Beezer, Martin Raum] #8469: Minh Van Nguyen: add "Number Theory and the RSA Public Key Cryptosystem" to "Thematic Tutorials" [Reviewed by Pablo Angulo, Rob Beezer, Martin Albrecht] #9739: Mitesh Patel, John Palmieri: Handle duplicate file basenames when testing multiple files in parallel [Reviewed by Robert Bradshaw, Leif Leonhardy] #10335: Mike Hansen, Jason Hill, David Loeffler: Add domains for permutation groups [Reviewed by Robert Miller, Rob Beezer, Nicolas Borie, Nicolas M. Thiéry] #10453: David Loeffler: Problem with old submodule [Reviewed by Johan Bosman] #10464: Katherine Stange: m-th power residue symbol [Reviewed by Francis Clarke, David Loeffler] #10635: Christopher Hall: refactor polynomial_element.pyx factor function [Reviewed by Mariah Lenox, William Stein, Simon Spicer] #10801: William Stein, Keshav Kini: Create a new option: "sage -strip" which deletes things that aren't needed for a binary distribution of sage, or for people that will never develop or upgrade [Reviewed by Benjamin Jones, Keshav Kini] #10850: Francis Clarke: composition and comparison of number-field homomorphisms [Reviewed by David Loeffler] #10952: Robert Bradshaw, Rob Beezer: better numerical accuracy testing [Reviewed by Jason Grout, Mariah Lenox, William Stein, John Palmieri] #10975: William Stein: creation of certain prime finite fields is double dog slow (compared to Magma) [Reviewed by David Roe, Tom Boothby] #10981: William Stein: algebraic real field partial_fraction_decomposition bug [Reviewed by Simon Spicer, Leif Leonhardy] #11036: Douglas McNeil, Maarten Derickx: improve solve_mod performance [Reviewed by John Cremona, Simon Spicer] #11120: Keshav Kini, John Palmieri: Autodetect installed 3-way merge programs (invalidates #4434) [Reviewed by John Palmieri, Keshav Kini] #11142: John Palmieri: clean up sage/misc/hg.py [Reviewed by Karl-Dieter Crisman, Keshav Kini] #11259: Rob Beezer: LU decomposition for matrices with exact base rings [Reviewed by Martin Raum] #11342: Simon King, Volker Braun: Make getattr faster on parents and elements [Reviewed by Jeroen Demeyer, Volker Braun, Simon King] #11351: Mariah Lenox: make flintqs-20070817 spkg build with -m64 rather than -march=opteron [Reviewed by Martin Albrecht] #11354: Mariah Lenox: remove dist directory from eclib spkg [Reviewed by William Stein] #11385: Volker Braun, Andrey Novoseltsev: Orbit closure as toric variety [Reviewed by Andrey Novoseltsev, Volker Braun] #11401: Nils Bruin: magma mode in 4.7 notebook broken [Reviewed by Marco Streng] #11422: Vincent Delecroix: modular subgroups [Reviewed by David Loeffler] #11431: Simon King: Conversion from Singular to Sage [Reviewed by Martin Albrecht] #11460: François Bissey, John Palmieri: upgrade ipython to 0.10.2 [Reviewed by François Bissey, John Palmieri] #11544: Rob Beezer: Viewing matrices of algebraic numbers can take a long time [Reviewed by Martin Raum] #11553: Rob Beezer: Matrix morphism additions [Reviewed by Martin Raum] #11574: Martin Albrecht: update M4RI to newest upstream release [Reviewed by Simon King, Alexander Dreyer] #11580: Nils Bruin: Magma interface cannot convert multivariate polynomials back to Sage [Reviewed by William Stein, Marco Streng] #11588: Nathann Cohen: copying a linear program crashes Sage [Reviewed by John Perry] #11595: Rob Beezer: Update exact eigenspace routines [Reviewed by Martin Raum, Leif Leonhardy] #11598: David Loeffler: Congruence testing for odd modular subgroups [Reviewed by Vincent Delecroix] #11627: Andrey Novoseltsev: Turn Fan(discard_warning) into an error [Reviewed by Volker Braun] #11640: R. Andrew Ohana: Remove DB_HOME in preference of SAGE_DATA [Reviewed by Tom Boothby] #11642: R. Andrew Ohana: Rewrite/improve/fix SQLDatabase and SQLQuery objects [Reviewed by Tom Boothby] #11657: William Stein, Rob Beezer: the vector(...) function is extremely slow [Reviewed by Rob Beezer, William Stein] #11680: Martin Albrecht: support extra_compile_args (e.g., C99) when loading/attaching .pyx (cython) files, and when using %cython in the notebook [Reviewed by William Stein, Leif Leonhardy] #11682: David Perkinson: Thematic Tutorial on Sandpiles [Reviewed by Rob Beezer, John Palmieri] #11684: Johan Bosman, Simon King: Obtaining coefficients of polynomials over finite fields is extremely slow [Reviewed by Simon King, Johan Bosman] #11685: Johan Bosman, Jeroen Demeyer: Pari finite field extension: element created by list not recognised as zero [Reviewed by Simon King, Johan Bosman, Peter Bruin] #11690: Martin Albrecht: fix AES equation systems when star=True [Reviewed by David Montminy] #11691: Ivan Andrus: scaling_term only appears in documentation [Reviewed by Nathann Cohen] #11692: Ivan Andrus: Creating a multiedged graph gives wrong error [Reviewed by Nathann Cohen] #11700: Anne Schilling: Methods concerning cores in Partitions [Reviewed by Mike Zabrocki] #11703: Frédéric Chapoton: another example of simplicial complex : the K3 surface [Reviewed by John Palmieri] #11706: William Stein, Leif Leonhardy: tachyon-0.98.9.p3 fails to build on ppc64 SUSE Linux power 7 (silius on skynet) [Reviewed by Leif Leonhardy, Karl-Dieter Crisman, Mike Hansen] #11711: Rob Beezer: Add charpoly as an alias for graph characteristic polynomials [Reviewed by Nathann Cohen] #11712: Martin Albrecht: Make it so typing `cython?` results in one seeing documentation for all pragmas for %cython mode and load/attach .pyx file [Reviewed by Mike Hansen] #11714: William Stein, Julian Rueth: ensure that numpy is not imported on startup [Reviewed by William Stein] #11716: Julian Rueth: Remove twisted.persisted.styles import [Reviewed by Mike Hansen] #11722: Maarten Derickx: document the SAGE_PARALLEL_SPKG_BUILD environment variable [Reviewed by Simon Spicer, John Palmieri] #11725: Rob Beezer: Generate random elements of the algebraic field [Reviewed by Simon Spicer, Leif Leonhardy] #11727: Karl-Dieter Crisman, Dmitrii Pasechnik: Even more minor Cygwin fixes for FLINT [Reviewed by Dmitrii Pasechnik, Karl-Dieter Crisman] #11732: Julian Rueth: faster import of sage.interacts.all [Reviewed by William Stein] #11734: Julian Rueth: sage_wraps should only read the sources of wrapped functions when needed. [Reviewed by Simon King] #11738: Diego de Estrada: Various issues in is_interval and is_chordal [Reviewed by Nathann Cohen] #11741: R. Andrew Ohana: pari.init_primes() can segfault for large input on many platforms [Reviewed by Aly Deines] #11744: Karl-Dieter Crisman: Add library gmp needed for real interval absolute [Reviewed by Mike Hansen] #11747: William Stein: is_monomial and is_term [Reviewed by Mike Hansen] #11749: Robert Bradshaw: Remove unneeded imports [Reviewed by Keshav Kini, Leif Leonhardy] #11750: Maarten Derickx: CRT_list not working for non-coprime moduli [Reviewed by Luis Felipe Tabera Alonso, Wai Yan Pong, Leif Leonhardy] #11751: Maarten Derickx, Julian Rueth: make free_module_generic_pid also work for pid's other than integers [Reviewed by Julian Rueth, Maarten Derickx] #11752: Paulo César Pereira de Andrade: ecl.pyx should not touch SIGPWR neither SIGXCPU when initializing ecl [Reviewed by Nils Bruin] #11753: Punarbasu Purkayastha: Fix step=0 in (x)srange [Reviewed by Dmitrii Pasechnik] #11756: Alexander Dreyer: PolyBoRi 0.7.1 needs to activate -msse2 [Reviewed by Martin Albrecht] #11767: Paul Zimmermann: elliptic_logarithm of high precision points often hangs forever [Reviewed by John Cremona, Leif Leonhardy, William Stein] #11778: Johan Bosman: p_iter_fork doesn't flush stdout properly [Reviewed by Leif Leonhardy] #11779: Dmitrii Pasechnik: python ints vs sage ints with respect to powers weirdness [Reviewed by William Stein] #11798: Paul Zimmermann: typo in the documentation of weierstrass_points [Reviewed by Luca De Feo] #11801: Jean-Pierre Flori: Ill-formed documentation of HilbertClassPolynomialDatabase [Reviewed by Paul Zimmermann] #11810: Nicolas Estibals: Formatting issue in documentation of divisor_group method [Reviewed by Jean-Pierre Flori] #11815: Simon King: Embedding information in doc strings must not be formatted [Reviewed by Volker Braun] #11816: Julian Rueth: Typo in the developer's guide [Reviewed by Leif Leonhardy] #11818: John Palmieri: sage