Max Horn

Results 501 issues of Max Horn

We recently had some discussion about when to make an OSCAR 1.1 release. The rules are that in this release all book examples must still work, but unlike the 1.0.x...

... as discussed with @ThomasBreuer and @fieker . The plan is that `PcGroup` type is reserved for cases where the generators returned by `gens` form a pc sequence ("pcgs" in...

topic: groups

Right now, the results of the Travis CI tests for GAP.jl are reported in a special channel on the oscar-system Slack. I find this quite useful because it allows me...

triage

... as described in https://docs.oscar-system.org/dev/DeveloperDocumentation/printing_details/ (with fixes in PR #2769). Right now I see this: ``` julia> H, phi = derived_subgroup(symmetric_group(5)) (Alt( [ 1 .. 5 ] ), Group homomorphism...

enhancement
topic: groups

In a recent PR, I saw code like this: ```julia groebner_assure(r.I, ordering) oscar_assure(r.I.gb[ordering]) singular_assure(r.I.gb[ordering]) SG = r.I.gb[ordering].gens.S ``` Why do we do it this way, instead of providing accessors for...

singular coding sprint

@wdecker just stumbled over this usability issue. In short, the `subgroups` command is confusing because it does different things for "GAP groups" and abelian groups. Consider: ``` help?> subgroups search:...

topic: groups

For example, is there any way to use CAP_project or homalg to actually compute, say, the Schur multiplier $M(G) = H_2(G, Z)$ of a finite permutation group, or $H^2(G, Z)$...

The other malloc_stack implementations were switched to using jl_atomic_fetch_add_relaxed on 2024-02-23. I suspect that this simply overlapped in time with the creation of the OpenBSD patches, which were submitted in...