Jul 2026
This paper proposes a general line-search Newton framework for unconstrained optimization that avoids repeated Hessian regularization by exploiting the Newton direction only when it is well-defined and suitable and provides the first Newton-type algorithm together with a comprehensive convergence analysis for this impo...
Phat Thanh Vo, Tuyen Tran
· arXiv.org · 0 citations
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Open access
2026
A Modified Three-Term Hestenes–Stiefel (MTTHS) conjugate gradient method that enforces the sufficient descent condition exactly, without any line search restriction is proposed.
O. Oluwafemi, J. Omolehin, S. O. Momoh et al.
· International journal of res... · 0 citations
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Preprint
Aug 2026
The results show that the proposed Wolfe-type spectral conjugate gradient method performs competitively overall, matching or outperforming existing methods on most problems tested, while a few specific limitations of the current implementation are also identified and discussed.
Jauny, G. Kumar
· 0 citations
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Open access
Jul 2026
This paper proposes a hybrid conjugate gradient method for solving unconstrained optimization problems by combining two PRP-type directions via convex combination, which dynamically adjusts to gradient change rates and satisfies the sufficient descent property.
Jia-Yu Zheng, Xiang-Song Zhang
· Symmetry · 0 citations
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Preprint
Jul 2026
This work can specifically ensure, without any smoothness assumptions, convergence to Mordukhovich stationarity as long as the base directions asymptotically revert to the negative gradient for small stepsizes.
Matteo Lapucci, Diego Scuppa
· 0 citations
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Preprint
Aug 2026
The proposed proximal gradient method with adaptive linesearch for multiobjective optimization problems whose objective functions are weakly smooth, i.e., they have Holder continuous gradients and the algorithm accepts coercer stationarity measure compared to existing methods is established.
Yuki Miyazaki, Masaru Ito, Shotaro Yagishita
· 0 citations
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