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Macaulay2

14 indexed repositories · View on GitHub

M2
The primary source code repository for Macaulay2, a system for computing in commutative algebra, algebraic geometry and related fields.

Macaulay2 · 435 stars
vscode-macaulay2
VS Code extension for Macaulay2

TypeScript · 15 stars
homebrew-tap
The Macaulay2 tap for Homebrew

Ruby · 10 stars
Workshop-2024-Utah
Collaboration area for the Macaulay2 workshop in Salt Lake City, 2024

Macaulay2 · 8 stars
Workshop-2018-Leipzig
Collaboration area for the workshop in Leipzig, 2018

Emacs Lisp · 7 stars
Workshop-2025-Tulane
Collaboration area for the Macaulay2 workshop at Tulane University, New Orleans, 2025

Macaulay2 · 7 stars
Workshop-2025-Madison
Collaboration area for the Macaulay2 workshop in Madison, 2025

Macaulay2 · 7 stars
M2-emacs
Macaulay2 emacs files

Emacs Lisp · 6 stars
Workshop-2020-Warwick

Macaulay2 · 6 stars
Macaulay2-web-site
The Macaulay2 web site

TeX · 6 stars
Workshop-2016-Utah
Collaboration area for the Macaulay2 workshop at the University of Utah, May 7-10, 2016.

Macaulay2 · 3 stars
Workshop-2017-Berkeley
A workshop in 2017.

TeX · 2 stars
Workshop-2020-Cleveland

Macaulay2 · 2 stars
Workshop-2016-Warwick
Collaboration area for the Macaulay2 workshop at the University of Warwick, May 23-26, 2016.

Perl · 1 star

Beginner friendly Everything

Open All

Eigen 5.0: some svd routines deprecated Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

Macaulay2/M2#4723 · Opened Sep 17, 2026
MonomialOrderings::product drops weight blocks during offsetting Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

Macaulay2/M2#4714 · Opened Sep 16, 2026
ModuleMonomLessThan is not a strict comparator for std::sort Open

Engine

Difficulty 1/5 Under an hour Newbie friendliness 88/100

Macaulay2/M2#4713 · Opened Sep 16, 2026
MonomialMemorySpace release-all methods leave the allocation count stale Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

Macaulay2/M2#4712 · Opened Sep 16, 2026
Nonlegacy ExponentList constructors use legacy length words Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

Macaulay2/M2#4711 · Opened Sep 16, 2026
varpower::power(a, 0, output) appends the identity to an existing output Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

Macaulay2/M2#4710 · Opened Sep 16, 2026
SMat subtraction skips the last coefficient and crashes on empty columns Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

Macaulay2/M2#4707 · Opened Sep 16, 2026
SMat equality ignores sparse row positions and unequal list lengths Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

Macaulay2/M2#4706 · Opened Sep 16, 2026
Lattice enumeration excludes the root from n_nodes when initial bounds are infeasible Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

Macaulay2/M2#4702 · Opened Sep 15, 2026
ARingZZp constructor silently narrows a modulus above INT_MAX Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

Macaulay2/M2#4698 · Opened Sep 15, 2026
ARingZZGMP reports the FLINT ring name Open

Engine

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

Macaulay2/M2#4695 · Opened Sep 15, 2026
skip building emacs package is no emacs is available Open

build issue editors

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

Macaulay2/M2#4691 · 1 comment · Opened Sep 14, 2026
The hilbertPolynomial(Module) documentation has a section commented out for a bug that has since been fixed Open

bugs directory Documentation

Difficulty 1/5 Under an hour Newbie friendliness 82/100

Macaulay2/M2#4645 · Opened Aug 14, 2026
The minimalPrimes documentation says decomposition does not happen over the extension field, then never shows what does Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

Macaulay2/M2#4640 · Opened Aug 13, 2026
(quotient, Ideal) is documented as returning a Module but returns a QuotientRing, and its source declares Module too Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

Macaulay2/M2#4620 · Opened Aug 11, 2026
smithNormalForm with a one-element ChangeMatrix list gives an internal index error instead of naming the option Open

bugs directory Core

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

Macaulay2/M2#4603 · Opened Aug 8, 2026
pivots assumes column echelon form, says so nowhere, and its own documentation example violates that Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Macaulay2/M2#4598 · 1 comment · Opened Aug 8, 2026
openInOut refuses every plain filename, though its documentation offers a named pipe as the example Open

bugs directory Interpreter

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Macaulay2/M2#4594 · Opened Aug 8, 2026
The Singular Book node calls a correct answer WRONG: y % J is 0 because x-1 is a unit locally Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

Macaulay2/M2#4591 · Opened Aug 7, 2026
export reports the left-hand name when the right-hand one is not a string Open

bugs directory Core

Difficulty 1/5 Under an hour Newbie friendliness 82/100

Macaulay2/M2#4575 · Opened Aug 6, 2026
A superscript on a tall base is drawn at the base's baseline instead of above it Open

bugs directory Core

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

Macaulay2/M2#4573 · Opened Aug 6, 2026
vars generates variable names that .. cannot invert Open

bugs directory Core

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

Macaulay2/M2#4570 · Opened Aug 6, 2026
The mutable-matrix row and column operations return the matrix but document no output Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

Macaulay2/M2#4565 · Opened Aug 6, 2026
hilbertSeries documentation does not mention numerator or denominator Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

Macaulay2/M2#4564 · Opened Aug 6, 2026
directSum(List, Function), so that directSum(x, f) means directSum apply(x, f) Open

bugs directory Core

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

Macaulay2/M2#4563 · Opened Aug 6, 2026
"making new functions with optional arguments" should link to "method" Open

bugs directory Documentation

Difficulty 1/5 Under an hour Newbie friendliness 88/100

Macaulay2/M2#4545 · Opened Aug 5, 2026
Benchmark: the yang-gb1 benchmark asserts nothing about its result Open

bugs directory good beginners' project

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

Macaulay2/M2#4541 · Opened Aug 5, 2026
Add random(Sequence, Ring) to Core for generating several random elements at once Open

bugs directory Core

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Macaulay2/M2#4540 · Opened Aug 5, 2026
"methods for normal forms and remainder" should link to // for the quotient half Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Macaulay2/M2#4539 · Opened Aug 5, 2026
Document how to declare the typical value of a binary operator method Open

bugs directory Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

Macaulay2/M2#4523 · Opened Aug 4, 2026
variables, symbols, identifiers conventions in the documentation Open

Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Macaulay2/M2#4320 · 1 comment · Opened May 18, 2026
LinearTruncations Open

package issue

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Macaulay2/M2#4089 · 3 comments · Opened Jan 12, 2026
isCommutative(ComplexMap) doesn't cache if debugLevel != 0 Open

package issue

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

Macaulay2/M2#3943 · 6 comments · Opened Aug 2, 2025
lyubeznikResolution bug Open

package issue

Difficulty 1/5 Under an hour Newbie friendliness 82/100

Macaulay2/M2#3480 · 2 comments · Opened Sep 17, 2024
Bug in scarfChainComplex in SimplicialComplexes Open

package issue

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Macaulay2/M2#2847 · 1 comment · Opened May 19, 2023
Symbolic link for M2 fails on OS X Open

build issue

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

Macaulay2/M2#715 · 1 comment · Opened Nov 24, 2017

Macaulay2

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