Charlie Vanaret

  • Revision of Uno paper submitted

    Revision of Uno paper submitted

    We have just submitted the revision of the 𝐔𝐧𝐨 𝐩𝐚𝐩𝐞𝐫 to the Mathematical Programming Computation journal 😎 https://www.researchgate.net/publication/397446552 We introduce a unifying framework for Lagrange-Newton methods (SQP and barrier) with 8 ingredients (a major update since the first submission in June 2024), and describe state-of-the-art strategies through the prism of…

  • Become a GitHub Sponsor!

    If you want to support the open-source development of Uno, become a GitHub Sponsor!

  • Uno 2.3.0 and UnoSolver.jl

    Uno 2.3.0 and UnoSolver.jl

    Uno 2.3.0 is out with a new Fortran interface! It joins the existing C, Julia, Python, and AMPL interfaces. We also registered the Julia package UnoSolver.jl 🥳It can be used via NLPModels.jl and MathOptInterface.jl. Here’s a short JuMP demo:

  • Uno 2.2.0 is out with C, Python and Julia interfaces!

    Uno 2.2.0 is out with C, Python and Julia interfaces!

    Great news! We just released Uno 2.2.0 with C, Python and Julia interfaces. Try it now in your favorite language. https://github.com/cvanaret/Uno/ I wrote the Python bindings using pybind11 and Alexis Montoison wrote the Julia interface and helped me write the C interface. Still under development: Python packaging and Julia’s MOI…

  • Uno 2.0.0 is out

    Uno 2.0.0 is out

    Uno v2.0.0 (https://github.com/cvanaret/Uno) implements the following major changes: A detailed description of the release can be viewed here.

  • Uno 1.3.0 is out

    Uno 1.3.0 now features: Uno can now be installed in Julia/JuMP via Uno_jll.jl and used via AmplNLWriter.jl. Here’s the example hs015.mod solved with the filterslp preset:

  • The Uno solver at OR2024 next week in Munich

    After ISMP 2024 a month ago, the Uno solver will be at OR 2024 next week in Munich. I will give the talk “Uno, a next-gen solver for unifying nonlinearly constrained nonconvex optimization” on Thursday, Sept 5 at 2pm in the Nonlinear Optimization session (TD 13). What’s on the menu?…

  • The Uno team will be at ISMP2024 in Montreal next week!

    Don’t miss us at SMP2024 in Montreal next week! Sven Leyffer will give the keynote presentation “Unifying nonlinearly constrained optimization” on July 23 (Tuesday) at 3pm.I will give the talk “Uno, a next-gen solver for unifying nonlinearly constrained nonconvex optimization” on July 26 (Friday) at 9am (session starts at 8.30am).…

  • Our Uno preprint is out!

    I have submitted our preprint Unifying nonlinearly constrained nonconvex optimization to the Mathematical Programming Computation journal, and published it on ResearchGate. It should also be available on arxiv on Friday.This is joint work with Sven Leyffer (Argonne National Laboratory). Preprint here: https://www.researchgate.net/publication/381522383Github here: https://github.com/cvanaret/Uno Abstract:Derivative-based iterative methods for nonlinearly constrained…

  • New position with Argonne National Lab/Zuse-Institut Berlin

    I’m thrilled to start a remote position with Argonne National Lab (Mathematics and Computer science division) with Sven Leyffer. I will be physically working at the Zuse-Institut Berlin where I remain a guest. I will dedicate my time and energy to the further development of Uno, a next-generation solver for…

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