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A linear map really should know about `f(0)==0`:
```python
sage: C=CombinatorialFreeModule(ZZ,(1,2,3))
sage: f = C.module_morphism(codomain=C,on_basis=lambda i:C.monomial(i))
sage: f(0)
…
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```
❯ cat ~/p1-group-right
#2
3
1 0 0
0 1 0
1 0 1
3
1 0 0
0 1 0
0 1 1
❯ ./bin/Name ~/p1-group-right
[1] 46017 segmentation fault ./bin/Name ~/p1-group-right
```
`p1` given as as …
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I'm trying to build this on Ubuntu LTS 14.04, and I get the following error when trying to run `make`:
```
[ 71%] Built target agast_static
[ 78%] Building CXX object CMakeFiles/brisk.dir/src/brisk.c…
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## About the Author
I make interactive, animated math explanations in a web browser, using 3D graphics and webGL to make the intangible tangible. You can see some of my work here at [The Case of th…
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These categories will generalize the code given in #16508 and #15300.
Depends on #16517
Depends on #18044
CC: @miguelmarco @jhpalmieri @darijgr
Component: **categories**
Keywords: **sd59**
Aut…
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### Is there an existing issue for this?
- [X] I have searched the existing issues for a bug report that matches the one I want to file, without success.
### Problem Description
According to …
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Ode to Vladimir Voevodsky and his Unimath Project
```
Ode to Vladimir Voevodsky and his Unimath Project
O muses, hear my humble plea
And grant me some poetic skill
To sing the praises of a man
Who …
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This is related to PR #976 / #817 : with vectors as filtration values, the method `filtration` needs to return references instead of copies now.
Before the integration of C++17 to Gudhi, to handle t…
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I have encountered a problem in the last step of a development I have been carrying out in Cubical Agda. I have three remaining holes in an equational proof, and the typechecker does not terminate whe…
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The Navier-Stokes equations, which describe the motion of fluid substances such as liquids and gases, are fundamental to the field of fluid dynamics. However, several challenging problems related to t…