12672 questions

Clearing/creating a ring in a loop?

16

views

1

answer

no

votes

26 hours ago John Palmieri

Multiplication in Polynomial Rings

• rings
• QuotientRing
• multiplication

Algorithm for listing minimal directed cuts and minimal dijoins

• directed-graphs
• algorithm

44

views

1

answer

1

vote

0 years ago rburing

Knot Theory Gauss Code?

• knot-theory

How to find the graph(s) with a perfect matching from the following collection whose adjacency spectral radius is maximum?

Sagemath in Docker cannot access host files

• Docker

polycyclic presentation

• abelian_group
• class_group

How to get an echelon form of a matrix on any given column indices?

Equivalent of Mathematica's GraphicsComplex

• texture
• 3dplotting
• mathematica

Unable to access jupyter sagemath

• token
• login

Possible bug? Matroid contraction when creating a matroid from Matroid() by giving flats.

• matroid
• contraction
• bug

48

views

1

answer

no

votes

0 years ago FrédéricC

Is there an easy way to carry out multivariate power series reversion in Sage?

• formal-power-series
• reversion

79

views

1

answer

no

votes

0 years ago John Palmieri

Bug report: non-unit differential yields wrong homology when using generators=True and base_ring=QQ

• bug
• homology
• chaincomplex
• QQ
• generators

50

views

1

answer

no

votes

0 years ago John Palmieri

How to extract coordinate tuples of homology generators from a simplicial complex?

• SimplicialComplex
• homology

Matroid.is_valid() returns True for invalid matroid

• bug
• matroid
• combinatorics

Is there a simple way to deal with computing real nth roots for n a natural number?

• root
• function

26

views

no

answers

no

votes

0 years ago Max Alekseyev

Does is_permutation_equivalent work well for nonbinary codes?

• Code
• equivalence
• codingtheory
• bug

103

views

1

answer

no

votes

0 years ago John Palmieri

frac is negative when argument is less than zero

Test if a graph is vertex pancyclic

• graph
• graphtheory

Finding a spanning subgraph that satisfies a given condition

• graphtheory

Alternative to using ButtonBar in SageMath (interact)

• interact
• buttons
• selector
• jupyter-notebook

Initialize a new metric after a change of coordinates

• metrics
• riemanntensor
• general-relativity

For a given elliptic Weirestrass curve having a prime degree, how to create a Weil Descent ?

• Elliptic-curves
• hyperelliptic-curve

What’s the equivalent of this py_ecc code for untwisting the bn128 curve in SageMath ?

• finite-fields
• finite-field
• Elliptic-curves
• Elliptic_curve
• twisted

47

views

1

answer

1

vote

0 years ago rburing

Coefficient overflow in PolynomialRing()

• polynomial
• PolynomialRing
• singular
• coefficient
• multivariate

46

views

1

answer

no

votes

0 years ago rburing

How do I declare a static finite field Element when modulus is a prime power ?

• finite-field
• finite-fields

How to make these histogram bars symmetric around its value?

• histogram
• 2Dplot

intersection of fractional ideal with subfield

• number_theory

In sagetex, how to avoid italic font for sagecommandline environment within an italic example environment?

• sagetex

52

views

1

answer

1

vote

0 years ago rburing

How to evaluate composed rational maps over finite fields?

• finite-field
• rational-function