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2020-12-23 14:08:59 +0200 | commented question | Does Sage support tensor of two symmetric functions? Thank you. I know this method. |

2020-12-16 14:00:14 +0200 | asked a question | Does Sage support tensor of two symmetric functions? I want to work in two variables symmetric functions. For example, expand $h_\lambda(X+Y)$ or $h_\lambda(X) e_\mu(Y)$ to $s_\lambda(X) s_\mu(Y)$. |

2020-09-29 13:17:02 +0200 | commented answer | Get the error "NameError: name '_interact_' is not defined" when run sagenb. I have try Arch linux and Ubuntu 18.04. All have the problem "NameError: name '_interact_' is not defined. " . |

2020-09-29 13:08:57 +0200 | commented answer | Get the error "NameError: name '_interact_' is not defined" when run sagenb. When I starting the sagenb notebook,there are some errors as follows: Failed to connect to the bus: Could not parse server address: Unknown address type (examples of valid types are "tcp" and on UNIX "unix") ERROR:ssl_client_socket_impl.cc(960)] handshake failed; returned -1, SSL error code 1, net_error -202 In the notebook, the error just as my question. That is "NameError: name '_interact_' is not defined. " |

2020-09-25 06:05:27 +0200 | commented answer | Get the error "NameError: name '_interact_' is not defined" when run sagenb. Unfortunately, I did this and still the same error。 have you tried？ |

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2020-09-19 05:44:33 +0200 | asked a question | Get the error "NameError: name '_interact_' is not defined" when run sagenb. Hi, I still want to run sagenb for sagemath 9.1. I follow wiki.sagemath.org/Python3-Switch use the following codes to compile sage 9.1. Then I run ‘ ./sage -i sagenb’. But I get errors in the notebook: This problem may be caused by the codes in sage/local/lib/python2.7/site-packages/sagenb-1.1.3-py2.7.egg/sagenb/notebook/worksheet.py. I think 'cmd' is not be executed. If I put some error code in 'cmd', there were nothing happened. |

2020-08-11 04:42:26 +0200 | commented answer | Compute determinant of matrix of Schur functions using Kronecker product This answer is wonderful. Thank you! |

2020-08-11 04:40:20 +0200 | commented question | Compute determinant of matrix of Schur functions using Kronecker product Yeah, you are right. |

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2020-08-02 07:43:12 +0200 | asked a question | Compute determinant of matrix of Schur functions using Kronecker product Given a matrix $m=(a_{i,j})$, where each $a_{i,j}$ is a Schur function,
by default, But I want it to use the Kronecker product for Schur functions. I did not find any options to set the Kronecker product as default multiplication operator in the ring of Schur functions or in the matrix class. To give an example, let us define such a matrix: Then compare: |

2020-07-14 10:34:27 +0200 | commented answer | can incidence algebras over ring that is not number ring? Thanks! I only use s for computation and do not know s can be used as a ring. |

2020-07-13 22:12:04 +0200 | asked a question | can incidence algebras over ring that is not number ring? I try the following codes, but it does not work. |

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