Ulrich Thiel

Results 16 issues of Ulrich Thiel

The function issquarefree for f::PolyElem (not assuming that f has coefficients in a field, which may be dangerous) returns isconstant(gcd(f, derivative(f))). But this is not the condition for squarefree, rather...

Most of the functions testing for some property are named ```isproperty```. There are a few functions though which are named ```is_property```: ``` is_basepoint_free is_isomorphism is_projective_space is_z_graded is_closed_embedding is_non_zero_divisor is_q_cartier is_zm_graded...

Could you please give more details explaining the choice of fmpz instead of BigInt in the documentation (FAQ and Rings->Integers)? I think this is a natural question many people will...

documentation

In the database the line "1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5" is called the "Giuoco Piano", which is correct I think. But then every other line continuing from there is...

help wanted

Would it be possible to add a global option so that citations only give the last name of the authors, not their first names? E.g. "Knuth (2011)" instead of "Donald...

The edition field of a Bibtex entry seems to be missing from the generated references. Could this be added? Here's an example: ``` @book{Knuth-4A, author = {Knuth, D. E.}, edition...

This is work in progress implementing complex reflection groups. Contributions welcome.

experimental

Is it possible to load papercite (the css and java script) only when it is required, e.g., if there's a [bibcite] command on the page or some other flag activated?...

Added basic functions for quantum analogs that I had implemented in my JuLie package: quantum integers, factorials, and binomials. They work also with specializations in any (commutative) ring.

The numbers in an enumerated environment are not set correctly: 1. Item1 1. Item2 1. Item3 should give 1. Item1 2. Item2 3. Item3 but mdless shows 1. Item1 1....