v0.7.0

Oscar v0.7.0

Diff since v0.6.0

Closed issues:

• supported Julia versions (#80)
• Better feedback when users try to use our packages under Windows (#235)
• Scary but harmless error about ferret binary missing (#283)
• build_doc expects that Documenter, DocumenterCitations, DocumenterMarkdown are installed (#340)
• confusion on the return of collect(permutation group) (#345)
• Constructors for polyhedral objects (#388)
• Oscar doesn't precompile with Julia 1.7.0-beta2 (#504)
• docs: weirdness in navbar with docs included from Hecke (#513)
• docs: why do some filenames have a prefix like ca_, pg_, it_? (#514)
• error installing Ferret: gmp.h not found (#540)
• singular_ring not working for finite prime fields (#564)
• Problems with $ in singular_ring (#574)
• singular_ring woes (#575)
• New binaries with flint 2.8 (#589)
• docs: add a "FAQ" or "Common questions & troubleshooting" section to the manual (#640)
• Something goes wrong with divides in quotient rings (#645)
• AlgebraHomomorphism doesn't seem to copy its own list of generators (#655)
• Add docstring for describe(G::GAPGroup) and add it to the manual (#657)
• (documentation) univariate polynomials: normalise function example (#662)
• Polymake lattice_points not in the documentation? (#663)
• number_moved_points does not know that it returns fmpz (#666)
• Some functionality missing for rings (#672)
• Unifying and streamlining Polytopes interfaces (#677)
• Add IntegerUnion = Union{Integer, fmpz} somewhere (#679)
• convert for GAP.GapObj (#681)
• Invariant ring and polynomial ring with complex coefficients (#687)
• docs: remove reference to Oscar.Integer, Oscar.Rational; update or remove IntegerTypes.svg and RationalTypes.svg (#688)
• Affine way of thinking causes confusion with trivial hyperplane (#715)
• Require Julia >= 1.6 ?! (#716)
• CI tests with Julia nightly fail precompiling Singular.jl (#721)
• CI tests segfault on master with Julia 1.7, nightly, since merge of Modules PR #461 (#735)
• Segfault in libcurl when Download.download is used by GAP.jl (#773)
• Test failures, possible caused by GAP.jl 0.7.1 (#774)
• Allow constructing ideals with no generators (#784)
• Test suite speed regression (#788)
• HomotopContinuation.jl/OSCAR compatibility issue (#792)
• Equality test for zero ideals fails (#795)
• zsolve problems on macOS (#801)
• msolve dependency broken? (#814)

Merged pull requests:

• Modules [WIP] (#461) (@AlexD97)
• Property iterators (#578) (@alexej-jordan)
• Change the presentation of the documentation for plane curves (#592) (@delphinepol)
• Interface to the Singular library Paraplanecurves.lib (#605) (@delphinepol)
• docs: unify filenames (#621) (@fingolfin)
• Combine incidencematrix (#622) (@alexej-jordan)
• docu more concise (#625) (@wdecker)
• Add type assertion to a bunch of isFOO functions (#626) (@fingolfin)
• Simplify VERSION_NUMBER computation (#627) (@fingolfin)
• more information for the non-expert (#628) (@wdecker)
• Update binomial_ideals.jl - symbols for variables given by the user (#630) (@CarloSircana)
• Change default for Qab to use ζ (#631) (@thofma)
• adjusting to #631 (#633) (@wdecker)
• Return isomorphism in isomorphic_matrix_group_over_finite_field (#634) (@thofma)
• Invariant theory (#635) (@joschmitt)
• added textbook references (#637) (@ThomasBreuer)
• more functions documented (#639) (@wdecker)
• Add Molien series for the non-modular case (#641) (@thofma)
• Use bibtool to organize bibliography (#642) (@fingolfin)
• Introduce graphs as Oscar objects (#644) (@lkastner)
• Grade the polynomial ring in an invariant ring (#646) (@joschmitt)
• Fixes divides for quotient rings (#647) (@ederc)
• Fix loading Oscar when offline (#650) (@fingolfin)
• Fix for modular groebner basis (#651) (@thofma)
• Temporarily pin Hecke version in the doc build (#653) (@thofma)
• Fix a problem with MappedWord (#654) (@joschmitt)
• fundamental invariants, invariant rings as affine algebras (#656) (@wdecker)
• Fix #655 (#661) (@thofma)
• Fix Oscar (#665) (@thofma)
• Purge Oscar.Integer (#668) (@thofma)
• Minor change (#669) (@delphinepol)
• Fix type instability in number_moved_points (#670) (@thofma)
• Improve some GAP related code (#671) (@fingolfin)
• Clean up docs/oscar_references.bib (#673) (@fingolfin)
• Added functionalities for non plane curves (#675) (@delphinepol)
• Add some defensive asserts in MPolyQuo* constructors (#678) (@thofma)
• Add conversion from oscar GapGroup and GapGroupElem to GAP.GapObj. (#680) (@FriedrichRober)
• Add IntegerUnion (#686) (@fingolfin)
• Finish the integer purge (#689) (@tthsqe12)
• Remove broken Coveralls integration (#692) (@fingolfin)
• Refactor parts of the groups code (#693) (@fingolfin)
• Add Singular's implementation of King's algorithm (#694) (@joschmitt)
• Reynolds operator and bases of invariant rings (#695) (@joschmitt)
• Fix performance regression (#698) (@thofma)
• Issue/677 (#700) (@lkastner)
• fix typos in orderings (#701) (@fieker)
• Gal qt (#702) (@fieker)
• bump dep versions (#706) (@tthsqe12)
• docs: fix incorrect Pages entries in @contents blocks (#708) (@fingolfin)
• Replace Vector{<:Any} by Vector (#709) (@fingolfin)
• added a helper to convert certain GAP matrices (#710) (@ThomasBreuer)
• Remove CompatHelper, it just creates noise (#711) (@fingolfin)
• Feature/polytopes/new standard constructions (#717) (@OguzhanYueruek)
• first attempt to stabilizer for groups (#718) (@ThomasBreuer)
• added a docstring for describe(G::GAPGroup) (#719) (@ThomasBreuer)
• Require Julia >= 1.6 (#720) (@fingolfin)
• move some code from experimental/GaloisGrp (#724) (@ThomasBreuer)
• first version of GITFans in Oscar (#725) (@ThomasBreuer)
• Merging the code of Polymake/ into Polytopes/ (#726) (@lkastner)
• group characters stuff (#727) (@ThomasBreuer)
• Polymake: bump compat to 0.6 for new polymake version 4.5 (#728) (@benlorenz)
• Update to GAP 0.7 (#729) (@fingolfin)
• Replace many uses of GAP.gap_to_julia (#734) (@fingolfin)
• SubQuo: add type annotation to fix crash with julia 1.7 and nightly (#738) (@benlorenz)
• Import JToric code (#739) (@fingolfin)
• Move docs for sub(G::GAPGroup, elems) into docstring (#740) (@fingolfin)
• Remove hash(::FreeModuleElem), already in AA 0.22.2 (#741) (@fingolfin)
• Drop unused Requires.jl dependency (#742) (@fingolfin)
• start docu for monomial orderings (#743) (@wdecker)
• First draft for FAQ, style guide, diffs to other systems (#744) (@fingolfin)
• Toric variety structs (#745) (@lkastner)
• Introduce Cyclic Quotient Singularities (#746) (@lkastner)
• Polytopes: Minor improvements (#747) (@lkastner)
• Documentation for strong Gröbner bases over the integers (#748) (@ederc)
• Use IncidenceMatrix for PolyhedronOrConeIterator (#749) (@alexej-jordan)
• fixed QabElem, improved printing of char. tables (#752) (@ThomasBreuer)
• overhaul after implementing King's algorithm (#754) (@wdecker)
• Extended toric functionality (#755) (@HereAround)
• unified docu of quotient rings and affine algebras into affine algebr… (#757) (@wdecker)
• move functions into Hecke for this branch (#759) (@fieker)
• Kemper's algorithm for primary invariants of minimal degree (#761) (@joschmitt)
• Refactor order(::MatrixGroup) (#762) (@fingolfin)
• Introduce computation of toric ideals (#764) (@lkastner)
• Short paragraph on constructing polynomials. (#765) (@wdecker)
• Rename accessor to underlying polymake object (#767) (@lkastner)
• Localization framework for commutative rings (#768) (@HechtiDerLachs)
• update singular to v0.8 (#775) (@tthsqe12)
• Change perfect_group to return permutation groups by default (#776) (@fingolfin)
• docs: workflow to cleanup doc preview after closing PR (#778) (@benlorenz)
• ToricVarieties: Move docs under Algebraic Geometry, minor improvements (#779) (@lkastner)
• Issue/772 and SubObjectIterator (#780) (@alexej-jordan)
• Introduces msolve functionality to OSCAR (#781) (@ederc)
• Faq: WIP (#782) (@fieker)
• initial step towards matrix groups in char. zero (DRAFT) (#783) (@ThomasBreuer)
• Some code unification (#785) (@lkastner)
• Documentation by Wolfram on ungraded modules (#786) (@AlexD97)
• Add birkhoff, pyramid, bipyramid to manual (#789) (@fingolfin)
• move Cohomology to GModule to experimental (#793) (@fieker)
• get rid of the mat_iso field in matrix groups (#796) (@ThomasBreuer)
• changed show for MatrixGroupElem ... (#797) (@ThomasBreuer)
• fix for ring_iso_oscar_gap (#799) (@ThomasBreuer)
• Improve documentation of toric varieties (#800) (@HereAround)
• Adjust doctest to latest Singular.jl (#804) (@fingolfin)
• Fix #788 (Test suite speed regression) (#805) (@AlexD97)
• Fix direct product of modules (#806) (@AlexD97)
• Some tweaks to the GAP code (#807) (@fingolfin)
• improve ring_iso_oscar_gap for finite fields (#808) (@ThomasBreuer)
• CI: cancel superfluous CI runs for pull requests (#810) (@fingolfin)
• Fixes #795 (#811) (@thofma)
• Fewer nested rings in tests, and groebner over immutables (#812) (@tthsqe12)
• Tweak the "cancel" workflow (#813) (@fingolfin)
• Improvements (and minor extension) for toric varieties (#815) (@HereAround)
• Minor tweaks to the group actions code (#816) (@fingolfin)
• support empty lists of group generators (#817) (@ThomasBreuer)
• CI: use cancel-in-progress (#818) (@fingolfin)
• Optimize some calls into GAP (#819) (@fingolfin)
• Implement group of torusinvariant Cartier divisors and the Picard group (#820) (@HereAround)
• Fix (work around...) #784 (#821) (@joschmitt)
• small changes in preparation of docu (#822) (@wdecker)
• Fix minor bugs (#823) (@AlexD97)
• Require GAP 0.7.2 (#824) (@fingolfin)
• Fix some matrix(...) call relying on soon to be changed method (#825) (@thofma)
• Fill in some Hecke stubs (#826) (@thofma)
• Require Singular 0.9.0 (#827) (@tthsqe12)
• Rework folder structure and some minor improvements to PolyhedralGeometry (#828) (@lkastner)
• overhauling the com...

v0.6.0

Oscar v0.6.0

Diff since v0.5.2

Closed issues:

• Groups: Replace adhoc linear algebra code (#407)
• iszero duplicate (#417)
• Absolute factorization docstring example failing (#420)
• Documentation broken (#422)
• OSCAR website should link to docs (#443)
• Don't forget to fix singular_ring(::NmodRing) (#444)
• Random error in FreeModules-graded-test.jl (#451)
• Introduce (resp. import from Hecke) coefficient_ring for our polynomial rings (including decorated) (#454)
• Ideal membership (#485)
• inexplicable behaviour of QabField (#491)
• bug in hilbert_polynomial (#505)
• docs: collapse all top-level entries in the navigation by default (#512)
• docs: ordering of top-level entries (#516)
• Missing functionality for quotients of graded rings (#526)
• Kroki (#529)
• Determinants of matrices with polynomial entries (#545)
• problem with building the Oscar documentation (#547)
• Printing roots of unity (#552)
• segmentation fault primary decomposition over number field (#557)
• No singular_ring for finite fields (#566)
• geometric_genus(C::ProjectivePlaneCurve{S}) is wildy type unstable (#572)
• Importing Oscar breaks display of Vectors in Pluto notebooks (#597)
• docs: disable doctests by default, allow enabling (#604)
• galois_group problems (#613)

Merged pull requests:

• Binomial ideals (#401) (@CarloSircana)
• Projective elliptic curves and points on it (#411) (@delphinepol)
• Bump version to 0.5.3-DEV (#415) (@thofma)
• Don't run doctest of upstream packages (#416) (@thofma)
• add mpoly-parametric file for Q(t)[x] (#418) (@tthsqe12)
• Remove duplicate method for iszero(I::MPolyIdeal) (#419) (@fingolfin)
• Nestings (#421) (@tthsqe12)
• Fix documentation build (+ tweaks) (#423) (@thofma)
• Mat elim (#425) (@GDeFranceschi)
• homogenous -> homogeneous (#428) (@fingolfin)
• access to GAP's "tester" and "setter" functions (#431) (@ThomasBreuer)
• small changes in Docu (#433) (@wdecker)
• Remove the module name from the docstring (#435) (@thofma)
• Bugfix in "noether_normalization" (#436) (@raulepure)
• various changes in docu (#438) (@wdecker)
• small change suggest by @rfourquet (#439) (@wdecker)
• Fix binomial primary decomposition (#440) (@CarloSircana)
• Export MPolyQuoElem for better printing (#441) (@thofma)
• Bump dependencies (#442) (@thofma)
• added labelled_matrix_formatted (#445) (@ThomasBreuer)
• Decorate MPolyElem_dec with another type parameter (#446) (@thofma)
• Begin new structure docu CA (#447) (@wdecker)
• Normal form (#448) (@ederc)
• Improvements on isunital function (#450) (@CarloSircana)
• Removed homogenization.jl (#452) (@delphinepol)
• simple tests for ideals (#453) (@wdecker)
• Groebner fixes (#455) (@ederc)
• Fix #451 (#456) (@thofma)
• correction + addition (#457) (@wdecker)
• include binomial_ideals.jl (#458) (@CarloSircana)
• Fix for binomial primary decomposition (#459) (@CarloSircana)
• add upper_bound_theorem in polytopes (#460) (@OguzhanYueruek)
• add interface, protoptype, to Singular fancy orderings (#462) (@fieker)
• Extend PolynomialRing constructors (#463) (@thofma)
• Wolfram (#464) (@wdecker)
• Wolfram2 (#465) (@wdecker)
• Adapted genus for curves to recent changes (#466) (@delphinepol)
• Reorder include statements (#467) (@thofma)
• Polytopes: Initial documentation (#468) (@lkastner)
• fix some nesting bugs (#469) (@tthsqe12)
• Primality proving (#470) (@delphinepol)
• more on quotient rings, various, docu (#471) (@wdecker)
• add absolute_primary_decomposition over QQ (#472) (@tthsqe12)
• Restructured docu (#473) (@wdecker)
• Clarify groebner assure (#474) (@tthsqe12)
• Two trivial changes (#476) (@fingolfin)
• Added the available docstrings for Groups (#477) (@ThomasBreuer)
• start docu binomial ideals (#478) (@wdecker)
• Fix binomial ideals (#479) (@CarloSircana)
• Update Algebra Homomorphisms (#481) (@raulepure)
• split groups.md into several files (#482) (@ThomasBreuer)
• Bump dependencies (#486) (@thofma)
• fix coordinates to return graded polys (#487) (@fieker)
• fixes leading_ideal stuff (see issue #485) (#489) (@ederc)
• deepcopy bug fixes (#490) (@tthsqe12)
• Remove illegal == for QabField (#492) (@thofma)
• add interface to Conway polys in flint (#493) (@fieker)
• small changes affine algebras and Docu (#494) (@wdecker)
• added an index to the Oscar documentation (#495) (@ThomasBreuer)
• Use DocumenterCitations >= 0.2.5 for docs (#496) (@fingolfin)
• changed/fixed references (#498) (@ThomasBreuer)
• started docu invariant theory (#500) (@wdecker)
• Add docs/README.md (#501) (@fingolfin)
• try to automate and improve the doc building. WIP (#502) (@fieker)
• Some minor doc tweaks (#503) (@fingolfin)
• Basic functionality for quotient rings (#506) (@ederc)
• corrected hilbert_polynomial (#507) (@wdecker)
• Wolfram (#509) (@wdecker)
• First attempt for a documentation for the PlaneCurveModule (#510) (@delphinepol)
• Use @cite in two more places (#511) (@fingolfin)
• basic function field support (#519) (@8d1h)
• docs: reorder top-level entries (#521) (@fingolfin)
• docs: collapse level 1 in the navbar (#522) (@fingolfin)
• Refactor code for building the documentation (#524) (@fingolfin)
• Small fix for AlgHom (#527) (@raulepure)
• Fix nmod ring (#528) (@tthsqe12)
• mostly cosmetics (#530) (@wdecker)
• Fix return type of homogenous_components (#531) (@thofma)
• Fix coercion into quotient rings (#532) (@thofma)
• Fix evaluation for graded polynomials (#533) (@thofma)
• Fix promotion (#534) (@thofma)
• Rename function to obtain underlying abelian group (#535) (@thofma)
• some doctest examples (#537) (@wdecker)
• Towards char 0 matrix groups in Oscar (#538) (@joschmitt)
• Make degree of zero elements throw (#543) (@thofma)
• fix divides for zero dividend (#544) (@tthsqe12)
• add "Introduction" sections to the documentation (#549) (@ThomasBreuer)
• docs: try harder to use the same module instances (#550) (@fingolfin)
• replaced more bib entries (#551) (@ThomasBreuer)
• Bump dependencies, ad some ad hoc methods and fix promote rules (#555) (@thofma)
• example absolute primary decomposition (#556) (@wdecker)
• Adjust AbstractAlgebra doc refs after recent rearrangement. (#562) (@wbhart)
• proper singular_ring(::AnticNumberField) (#563) (@tthsqe12)
• Minor changes to Plane Curve and Curve Divisor (#565) (@delphinepol)
• add singular_ring(::FqNmodFiniteField) (#567) (@tthsqe12)
• fix printing of QabElem (#568) (@tthsqe12)
• fix ideal printing (#570) (@tthsqe12)
• Clean up for abelian closure (#571) (@thofma)
• Fixed problem of stability of types for genus of curves (issue #572) (#579) (@delphinepol)
• Fix typo in __init_JuliaData, simplify code (#580) (@fingolfin)
• introductary text (#581) (@wdecker)
• WIP: next step for documentation of groups (#583) (@ThomasBreuer)
• First interface for invariant theory of finite groups (#584) (@joschmitt)
• Upgrade to GAP.jl 0.6 (#586) (@fingolfin)
• Run CI tests with Julia 1.7 (#587) (@fingolfin)
• Fix AA version in the documentation (#593) (@thofma)
• changed the rand methods for groups and cosets ... (#598) (@ThomasBreuer)
• some more docu for invariant theory (#599) (@wdecker)
• Bump dependencies (#600) (@thofma)
• fixed omega_group(d, q) for odd d and even q (#601) (@ThomasBreuer)
• fix doctests in invariants (Array->Vector) (#602) (@benlorenz)
• docs: rework docs-project, allow doctest option (#606) (@benlorenz)
• more details on set-up in docu of invariant theory (#607) (@wdecker)
• Feature/polytopes/catalan_solid (#608) (@OguzhanYueruek)
• Improve isomorphic_group_over_finite_field (#609) (@fingolfin)
• Polytopes: Add SubdivisionOfPoints object (#610) (@lkastner)
• Docs/polytopes (#611) (@tbrysiewicz)
• Update Singular.jl to 0.6.0 (#612) (@tthsqe12)
• CI: enable color in docu workflow (#614) (@fingolfin)
• Enh/polytopes/normal cone (#616) (@lkastner)
• Polytopes: Further improve docs (#619) (@lkastner)
• Set version to 0.6 (#620) (@thofma)

What's Changed

• Binomial ideals by @CarloSircana in #401
• Bump version to 0.5.3-DEV by @thofma in #415
• Don't run doctest of upstream packages by @thofma in #416
• Projective elliptic curves and points on it by @delphinepol in #411
• add mpoly-parametric file for Q(t)[x] by @tthsqe12 in #418
• Remove duplicate method for iszero(I::MPolyIdeal) by @fingolfin in #419
• Fix documentation build (+ tweaks) by @thofma in #423
• Nestings by @tthsqe12 in #421
• small changes in Docu by @wdecker in #433
• Remove the module name from the docstring by @thofma in #435
• Bugfix in "noether_normalization" by @raulepure in #436
• various changes in docu by @wdecker in #438
• Fix binomial primary decomposition by @CarloSircana in #440
• small change suggest by @rfourquet by @wdecker in #439
• Export MPolyQuoElem for better printing by @thofma in #441
• Bump dependencies by @thofma in #442
• Begin new structure docu CA by @wdecker in #447
• Normal form by @ederc in #448
• Decorate MPolyElem_dec with another type paramter by @thofma in https...

v0.5.2

Oscar v0.5.2

Diff since v0.5.1

Closed issues:

• Factoring polynomials over finite fields does not work. (#188)
• Error in factoring polynomials over QQ (#211)
• Make a new release, soon (#234)
• wrong type? (#260)
• ideal in quotient ring (#263)
• BoundsError: attempt to access 0-element Array{GrpAbFinGenElem,1} at index [1] (#270)
• Add a bibliography to our manual(s) (#311)
• Ensure CI also covers our doctests (#323)
• Coercing a vector into a perm group should fail if it is too long (#371)
• direct_product for groups should give the embedding / projection morphisms (#372)
• groebner_basis result is different to std (#397)
• Weird behaviour with all latest masters [maybe Oscar.Integer should be the same as Base.Integer] (#403)

Merged pull requests:

• Oscar matrix (#173) (@GDeFranceschi)
• an experiment in mixing docs... (#209) (@fieker)
• Vect spaces (#244) (@GDeFranceschi)
• Jordan struct (#268) (@GDeFranceschi)
• collected stuff to compute Galois groups of type M_22 (#273) (@fieker)
• Set version to 0.5.2-DEV (#284) (@thofma)
• Add configuration for GitHub Codespaces (#286) (@fingolfin)
• Some cleanup and simplification to polytopes code (#287) (@fingolfin)
• Polytopes: support fmpz_mat, fmpq_mat in convex_hull (#288) (@fingolfin)
• Forms (#290) (@GDeFranceschi)
• Added some functionalities for polynomials using the corresponding Si… (#292) (@delphinepol)
• add normalise(::MPolyQuo) (#293) (@tthsqe12)
• powmod -> powermod. Addresses Nemo # 988 (#294) (@wbhart)
• Small fix in invariant (#295) (@Pi-tree)
• Try to fix resolvent (#297) (@Pi-tree)
• add basic qring ideal arithmetic (#299) (@tthsqe12)
• First version of polyhedral fans (#300) (@lkastner)
• permutations act on fmpz (#302) (@ThomasBreuer)
• add more functions related to primary decomposition (#303) (@tthsqe12)
• some functionality for G-sets (#304) (@ThomasBreuer)
• Small mpoly fixes (#306) (@tthsqe12)
• Transform form (#307) (@GDeFranceschi)
• split mpoly.jl into mpoly-ideal.jl (#308) (@wdecker)
• Refactor mpoly-graded-test.jl (#309) (@thofma)
• final touches (powering and intersect) (#312) (@fieker)
• Added functionalities for ProjCurveDivisor. (#313) (@delphinepol)
• fixes missing docstrings for ideal operations (#314) (@ederc)
• Refactor FreeModules-graded-test.jl, fix #270 (#315) (@thofma)
• Extracting and documenting groebner functionality (#316) (@ederc)
• make documentation examples jldoctests (#317) (@ederc)
• further functionality for ideals (#319) (@fieker)
• fix intersection of multiple ideals (#320) (@tthsqe12)
• Address some issues (#321) (@GDeFranceschi)
• no more end-user docu for internal groebner-related functionality, (#322) (@ederc)
• Don't deploy docs twice in CI, don't deploy locally (#324) (@fingolfin)
• func with monomial orderings (#325) (@fieker)
• docs: use DocumenterCitations (#326) (@rfourquet)
• Radical membership and other functionality (#327) (@fieker)
• Early attempt on an interface for elliptic curves (#328) (@delphinepol)
• converts examples from docu to jldoctests in mpoly-ideals.jl (#329) (@ederc)
• move Hilbert stuff over to Wolfram (#330) (@fieker)
• various additions (#333) (@wdecker)
• base_ring(A), modulus(A) (#334) (@wdecker)
• Fix grade (#335) (@fieker)
• Wolfram (#336) (@wdecker)
• Bump AA/Nemo/Singular version (#337) (@thofma)
• Functionality for Hilbert data of affine algebras. (#338) (@wdecker)
• add normalize_with_delta (#339) (@tthsqe12)
• isfiltrated -> isfiltered (#341) (@fingolfin)
• Build documentation on GitHub hosted runner (#342) (@fingolfin)
• CI: don't cache Julia artifacts (#343) (@fingolfin)
• CI: enable doctests (#344) (@fingolfin)
• Documentation text on Hilbert functions and further improvements on docu (#346) (@wdecker)
• adjusted help texts of Noether normalization and normalization as wel… (#350) (@wdecker)
• New isometry groups (#351) (@GDeFranceschi)
• dded function isnormal + docu (#352) (@wdecker)
• A new try on algebra homomorphisms (#354) (@raulepure)
• Add eltype + tests (#355) (@GDeFranceschi)
• fixed orbits for PermGroup (#357) (@ThomasBreuer)
• Docu for Raul's improvement of algebra homomorphisms (#358) (@wdecker)
• Deprecate coeffs (#359) (@wbhart)
• Fixed problem with missing docstring (#360) (@wdecker)
• Added help text for Hilbert data (#361) (@wdecker)
• some (harmless) things in Galois Group (#362) (@fieker)
• Further functionality for AlgHoms (#363) (@raulepure)
• Fix some doctest issues (#364) (@fingolfin)
• new functionality for Hilbert data, algebra homs (by Raul), and respe… (#365) (@wdecker)
• Replaced x by t in representing Hilbert data (#366) (@wdecker)
• Transform form groups (#368) (@GDeFranceschi)
• Modified conversion of elements related to MPolyQuo (#370) (@raulepure)
• Replace map_coeffs -> map_coefficients. (#375) (@wbhart)
• Updating AlgHom and "subalgebra_membership" (#376) (@raulepure)
• Strat to document functionality on modules (#377) (@wdecker)
• Two issues fixed. (#378) (@GDeFranceschi)
• Improved docu for ideals (#379) (@wdecker)
• Adjusted docstrings to changes by Raul, improved docu of affine algebras (#380) (@wdecker)
• Added functions for homogenization (#381) (@delphinepol)
• Weierstrass form from an elliptic curve (#382) (@delphinepol)
• Remove tail for spolys in favour of a version implemented in AbstractAlgebra. (#383) (@wbhart)
• small adjustions (#384) (@wdecker)
• CI: test with Julia 1.6 (#385) (@fingolfin)
• Simplify matrix_manipulation.jl, add cleanup TODOs (#386) (@fingolfin)
• More references, tests, small things (#387) (@wdecker)
• Remove normaliser synonym for normalizer; deprecate listperm (#390) (@fingolfin)
• Use and require Singular 0.5.1 (#391) (@fingolfin)
• docs: consistently name 'Examples' section in docstrings (#392) (@fingolfin)
• Reorganizing the Polytopes code (#393) (@lkastner)
• Fix missing lc -> leading_coefficient, coeffs -> coefficients (#394) (@thofma)
• Remove (soon to be) deprecated Hecke functionality (#395) (@thofma)
• added saturation_with_index (#396) (@wdecker)
• Genus for plane curves (#398) (@delphinepol)
• Fix doctests (#400) (@fingolfin)
• start fractional_ideal (#404) (@tthsqe12)
• Fix #403 (#405) (@thofma)
• typo (#406) (@wdecker)
• added parent_type methods for group elements (#409) (@ThomasBreuer)
• Fix duplicated function (now in Singular.jl) (#412) (@thofma)
• Bump Hecke version (#413) (@thofma)
• Bump OSCAR to 0.5.2 (#414) (@thofma)

v0.5.1

Oscar v0.5.1

Diff since v0.5.0

Closed issues:

• Migrate all Oscar related Julia packages to use JLLs (#109)
• make some Singular functions accessible for Oscar objects (#139)
• inside Oscar, GAP's Browse package cannot be loaded (#160)
• Installation Fails (#187)
• Updating FLINT_jll (and other JLLs) across all OSCAR packages (#193)
• SLPolyRing not a ring? (#195)
• SLPoly (in Oscar) does not print (#196)
• Improve conversion between GAP larger integers and fmpz (#202)
• Polymake and Singular don't compile when installing Oscar v0.2.0 (#205)
• CI test failure: no method matching (::FlintRationalField)(::Singular.n_Q) (#208)
• is_dev tests are not run in CI (#213)
• divexact for decorated polynomials (#223)
• Fraction with decorated polynomials (#226)
• Failed to precompile with Julia 1.6.0-beta1 (#237)
• Coercion of elements in function fields (#241)
• conversion broken (#248)
• Eval for SLPoly wrong (#250)
• slpoly_ring (#251)
• evaluate SLPoly (#253)
• ferret.so: undefined symbol: _ZNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEC1Ev (#262)

Merged pull requests:

• introduce on_points, on_tuples, ... (#127) (@ThomasBreuer)
• More tests + functions for factors (#142) (@GDeFranceschi)
• Change Homomorphisms type (#164) (@GDeFranceschi)
• Jacobi functions for non-decorated polynomials (#165) (@raulepure)
• First attempt for affine plane curves (#166) (@delphinepol)
• Adapted groebner_basis command (#167) (@raulepure)
• added two functions (#168) (@ThomasBreuer)
• First try on localalization of multivariate polynomial rings (#169) (@raulepure)
• fixed an assignment in MPolyIdeal (#170) (@ThomasBreuer)
• CompatHelper: bump compat for "AbstractAlgebra" to "0.11" (#171) (@github-actions[bot])
• added components related functions (#172) (@delphinepol)
• Added multiplicity related functions for affine plane curves (#174) (@delphinepol)
• fix "docstring oddities" (#175) (@rfourquet)
• update TagBot.yml (#176) (@rfourquet)
• Remove .travis and add github actions (#177) (@thofma)
• Fix import statement for julia 1.3 (#179) (@thofma)
• Module (#180) (@dschaefetu-kl)
• Change travis to github actions badge (#181) (@thofma)
• Fix README.md badge (#182) (@fingolfin)
• Tweak github actions (#183) (@thofma)
• Define a structure and some functionalities for projective plane curves (#185) (@delphinepol)
• Restore code coverage reporting (#189) (@fingolfin)
• Fix test failure in Julia 1.6, some cleanup (#190) (@fingolfin)
• Submit coverage data to coveralls, too (#191) (@fingolfin)
• permutation action on polynomials (#192) (@ThomasBreuer)
• Added multiplicity related functions for projective plane curves and a… (#194) (@delphinepol)
• first conversions between GAP and Nemo (#197) (@ThomasBreuer)
• move SLpoly in Oscar (#198) (@rfourquet)
• GH Actions: update to actions/checkout@v2, tweaks (#199) (@fingolfin)
• README.md: add Coveralls status badge (#200) (@fingolfin)
• SLPolyRing: A couple fixes to make it more usable (#201) (@rfourquet)
• Update to GAP 0.5 (#203) (@fingolfin)
• gens(G,i) -> gen(G,i) (#207) (@fingolfin)
• Load PlaneCurve code in OSCAR dev builds; use gen(R,1) (#210) (@fingolfin)
• Tests for PlaneCurves (#212) (@delphinepol)
• Revise how DEV mode is decided (#214) (@fingolfin)
• Update AbstractAlgebra, Nemo, Hecke to latest version (#218) (@fingolfin)
• Faster conversion GAP <-> fmpz (#219) (@fingolfin)
• Rename pkgdir to oscardir (#220) (@fingolfin)
• Overhaul GitHub Action settings (#222) (@fingolfin)
• Add some missing MPolyElem_dec method (#224) (@thofma)
• Deal with presence of Hecke.isregular (#225) (@fingolfin)
• Radical of ideals (#227) (@raulepure)
• Foward ad hoc operations on MPolyElem_dec (#228) (@thofma)
• Replace convert function (#231) (@raulepure)
• Created a structure for divisors on curves (#233) (@delphinepol)
• Fix is_dev for ]add Oscar#master (#236) (@thofma)
• Fix BlockSystems iterator (#238) (@Pi-tree)
• 1st draft at HowTo (#239) (@fieker)
• More helpful error message on Windows (#240) (@thofma)
• Add one(::MPolyQuo) and sort the code a bit (#242) (@thofma)
• Require Singular 0.4.4 (#243) (@fingolfin)
• New type BasicGAPGroupElem and related editing (#246) (@GDeFranceschi)
• add more doc (and fun) (#247) (@fieker)
• a new start... (#249) (@fieker)
• Fix some problems with orderings in groebner basis over Q (#254) (@thofma)
• Sl poly not m poly (#255) (@fieker)
• fix #250, evaluate for SLPoly (#256) (@rfourquet)
• Experimental (#257) (@fieker)
• Paul (#258) (@fieker)
• sort the mess with isGB (#259) (@fieker)
• Some tweaks to the curves code (#261) (@fingolfin)
• Number fields as arbitrary multivariate quotients Q[x]/I (#265) (@thofma)
• adjusted GroupCharacters.jl (#266) (@ThomasBreuer)
• Curves: add missing parametric constructors, remove _assure_has_components (#267) (@fingolfin)
• Change order for groups to return fmpz by default (#269) (@fingolfin)
• Prepare for new version 0.5.1 (#272) (@thofma)
• [WIP] started process of merging OscarPolytopes into Oscar (#274) (@tbrysiewicz)
• Test against julia 1.6 (#278) (@thofma)
• Add missing exports for Polytopes (#281) (@fingolfin)

v0.5.0

Oscar v0.5.0

Diff since v0.4.0

Closed issues:

• WARNING: import of Hecke.example into Oscar conflicts with an existing identifier; ignored. (#97)
• Oscar fails to precompile on Ubuntu (#137)
• installing Oscar is broken (#151)
• New Oscar release todo (#152)

Merged pull requests:

• Manual groups (#116) (@GDeFranceschi)
• G-sets (#119) (@fingolfin)
• initial proposal of Oscar group characters (#124) (@ThomasBreuer)
• import StraightLinePrograms package (#125) (@rfourquet)
• Cosets changes (#126) (@GDeFranceschi)
• Update StraightLinePrograms subtree (#130) (@rfourquet)
• add CatSLP example (#131) (@rfourquet)
• Highlight Julia syntax in README (#132) (@zlatanvasovic)
• Isomorphic group (#138) (@GDeFranceschi)
• CompatHelper: bump compat for "AbstractAlgebra" to "0.10" (#141) (@github-actions[bot])
• a few fixes and suggestions concerning groups (#144) (@ThomasBreuer)
• in (membership test) for groups (#145) (@ThomasBreuer)
• automorphisms of QabField() (#147) (@ThomasBreuer)
• show the complex conjugate value via overline (#148) (@ThomasBreuer)
• Add Oscar.@example with proper scoping (#150) (@thofma)
• Test 1.5 on travis (#153) (@thofma)
• allow fail in 1.3 (#154) (@fieker)
• Dschaefetu kl test (#157) (@fieker)
• support for quadratic subfields of QabField() (#158) (@ThomasBreuer)

v0.4.0

Oscar v0.4.0

Diff since v0.3.0

Closed issues:

• Error while compiling Oscar v0.2.0 with Xcode >= 11.4 (#82)
• Oscar.build() fails with Oscar 0.3.0 due to a GMP issue with GAP.jl v0.3.5 (#99)
• Oscar tests crash on Julia 1.4.2 on Ubuntu (#104)

Merged pull requests:

• import GAPGroups (#84) (@GDeFranceschi)
• More work on groups stuff, for Oscar demo (#102) (@fingolfin)
• Fix typos in ?Oscar help (#103) (@wbhart)
• Primary Decomposition via GTZ. (#105) (@raulepure)
• Fixed typo in Primary Decomposition Code (#106) (@raulepure)
• Some work on groups (#107) (@fingolfin)
• Work around compiler bug (#110) (@thofma)
• groups: interface to various GAP group libraries (#113) (@fingolfin)
• Groups: a few small suggestions (#114) (@ThomasBreuer)
• Travis: fix building & deploying the manual (#115) (@fingolfin)
• Update authors list (#117) (@fingolfin)

v0.3.0

Oscar v0.3.0

Diff since v0.2.0

Closed issues:

• release 0.1.1 (#76)
• Setup Travis and Code coverage tracking (#86)

Merged pull requests:

• Update README.md (#85) (@fingolfin)
• Update Travis settings, add Travis & Codecov badges to README.md (#87) (@fingolfin)
• Setup Travis and Code coverage tracking in README.md (#88) (@mohamed-barakat)
• Add CompatHelper action (#91) (@fingolfin)
• Update to latest Polymake.jl, Singular.jl (#93) (@fingolfin)
• Version 0.3.0 (#96) (@fingolfin)

v0.2.0

Oscar v0.2.0

Diff since v0.1.0

Closed issues:

• Nemo bug? (#54)
• Status of Elliptic Curves package (#75)

Merged pull requests:

• Rational numbers (#74) (@wbhart)
• Install TagBot as a GitHub Action (#78) (@JuliaTagBot)
• Oscar (#79) (@fieker)
• fix .travis.yml (#81) (@fieker)

v0.1.0: Merge pull request #73 from wbhart/rational_numbers

Rational numbers