Théo Lacombe

Numerical issue of ot.emd with large entries

11

## Describe the bug It seems `ot.emd` fails to return an optimal plan (up to numerical precision) if there is large entries in the cost matrix (even if the optimal...

[bug] tensorflow symbolicVector management with wasserstein_distance

2

I tried to use a tensorflow model to generate persistence diagrams ; using keras backend, and `gudhi.wasserstein.wasserstein_distance` as a loss function. I got the error ``` TypeError: len is not...

Online quantization algorithm for gudhi

5

Provide a quantization algorithm to "summarize" a collection of persistence diagrams. (At least) One thing that may be discussed : - I put the code in the `python/gudhi/wasserstein/` repo, because...

Sinkhorn_debiaised_barycenter seems too diffuse

3

## Describe the bug Theory ([Theorem 3 in this paper](http://proceedings.mlr.press/v119/janati20a/janati20a.pdf) ) tells us that the Sinkhorn barycenter between two Gaussian distribution with the same std $\sigma$ should be a Gaussian...