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ronnybergmann.net
Optimisation, Riemannian manifolds, and numerics in Julia (Manifolds.jl & Manopt.jl). Working at NTNU, Trondheim, Norway. Posts mostly in English, manchmal Deutsch eller Norsk.
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Oh, this post from earlier today is missing the #julialang tag (because I forgot it). So if you work with Lie groups somewhere, maybe consider checking out our new package LieGroups.jl!

submitted 8 days ago • 0 comments

We have a new package! LieGroups.jl juliamanifolds.github.io/LieGroups.jl... provides Lie groups based in Manifolds.jl. See the full announcement at discourse.julialang.org/t/ann-liegro...

submitted 9 days ago • 0 comments

The newest version of Manopt.jl – 0.5.12 introduces a new algorithm: The gradient projection method. See manoptjl.org/stable/solve... as well as the arXiv preprint arxiv.org/abs/2504.11815 #Manifolds #julialang #Manopt

submitted 14 days ago • 0 comments

Ronny Bergmann, Orizon P. Ferreira, Sandor N\'emeth, Jinzhen Zhu: On projection mappings and the gradient projection method on hyperbolic space forms https://arxiv.org/abs/2504.11815 https://arxiv.org/pdf/2504.11815 https://arxiv.org/html/2504.11815

submitted 14 days ago • 1 comment

Tariffs xkcd.com/3073

submitted 23 days ago • 265 comments

This fall I'm organizing a conference about open-source software. Thing is, I'm tired of plenaries given by straight white dudes. Does the hive mind have *diverse* recommendations for speakers located in Europe who have interesting things to say about programming? Got some names but would love more!

submitted 44 days ago • 10 comments