Mohamed Laghdaf Habiboullah
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Cahiers du GERAD
Nov 2025
This paper presents RegularizedOptimization.jl, a Julia package that implements families of nonsmooth optimization methods.
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Nov 2025
We develop R2N, a modified quasi-Newton method for minimizing the sum of a \(\mathcal{C}^1\) function \(f\) and a lower semi-continuous prox-bounded `(h...
Nov 2025
We extend traditional complexity analyses of trust-region methods for unconstrained, possibly nonconvex, optimization. Whereas most complexity analyses assu...
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Dec 2025
A proximal modified quasi-Newton method for nonsmooth regularized optimization
Youssef Diouane, Mohamed Laghdaf Habiboullah, and Dominique Orban
To appear in: Siam Journal on Optimization, 24 pages, 2025
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Dec 2025
Complexity of trust-region methods in the presence of unbounded Hessian approximations
Youssef Diouane, Mohamed Laghdaf Habiboullah, and Dominique Orban
To appear in: Mathematical Programming , 18 pages, 2025
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