2019-01-08 18:03:52 -0600 | asked a question | Identity in a quotient Group Hello everyone, I have the following groups Then I inject the variables to $H3$ Now when every element that I write have parent $H3$, but when I write the word this is true. Does anyone know why this happen and how can I get sage to reduce this word to identity of $H3$? |

2018-11-29 10:33:14 -0600 | received badge | ● Scholar (source) |

2018-11-29 09:50:57 -0600 | commented answer | remove_vertical_border_strip Thank you Samuel, that should work. |

2018-11-26 11:27:43 -0600 | commented question | remove_vertical_border_strip When you use partitions a "border strip" is a partition which diagram has no two cell in the same column(horizontal) or not in the same row(vertical).
In Sage with partitions you can do |

2018-11-25 20:40:52 -0600 | asked a question | remove_vertical_border_strip Hello, I'm interested to know if there is a way to define the analoge of For example: but for vertical border strip. |

2018-09-04 09:38:43 -0600 | commented answer | subs a list with another list Thank you! |

2018-09-04 09:36:37 -0600 | commented answer | How to get a list of the combinations such that the elements are equal to some $n$ Thank you i will see the documentation |

2018-09-03 23:33:34 -0600 | asked a question | subs a list with another list I define with $p$ arbitrary, then I need new variables, to comare polynomials, define as: Is there a way to substitute the list of variables $z$ with the list of varialbes $t$? The only way that I could do it was as But I want it for a general number of variables. Thanks |

2018-09-03 20:46:34 -0600 | received badge | ● Supporter (source) |

2018-09-03 20:45:31 -0600 | asked a question | How to get a list of the combinations such that the elements are equal to some $n$ I want a generalization of this kind
For a general number of $r$'s and any $n$ |

2018-07-05 19:30:36 -0600 | asked a question | How to skip a single loop iteration I have the following code: So I want to get: 0,1,2,20,5,6,7,8, here I skip the fourth iteration. I already try to use the command next(), but it doesn't give what I want |

2018-06-19 22:58:05 -0600 | received badge | ● Student (source) |

2018-06-18 20:39:48 -0600 | asked a question | Direct sum for tensor product of CombinatorialFreeModule Problem: Given a finite free resolution C of $\mathbb{Z}$ over $\mathbb{Z}G$ I would like to consider the free resolution $C \otimes C$. Then of course in this new resolution I'm going to have direct sums of tensor products. In sage I'm working with CombinatorialFreeModule, there is a way to defining a direct sum over CombinatorialFreeModule_Tensor? Thanks in advance. |

2018-06-17 17:11:40 -0600 | asked a question | syllables on symbolic expression If I have a symbolic expression, is there a way to obtain, something like the syllables of this expression in the way as in elements of a FreeGroup? |

2017-12-09 12:40:18 -0600 | received badge | ● Editor (source) |

2017-12-09 11:51:46 -0600 | asked a question | can sage identify poles in or out the unit disk i want to calculate residues on the unit disk, but in the factorization of the functions i work with i have roots or poles in and out the unit disk but i'm interested only in the ones inside the unit disk. There is a way that sage identify the poles i want and work with those? |

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