Results 61 to 70 of about 12,161,396 (244)

Unified global optimality conditions for smooth minimization problems with mixed variables [PDF]

open access: yes, 2008
In this paper we establish necessary as well as sufficient conditions for a given feasible point to be a global minimizer of smooth minimization problems with mixed variables.
Huy, Nguyen Quang   +5 more
core   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

open access: yesFEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang   +2 more
wiley   +1 more source

A Method for Semidefinite Quasiconvex Maximization Problem

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2016
We introduce so-called semidefinite quasiconvex maximization problem. We derive new global optimality conditions by generalizing [9]. Using these conditions, we construct an algorithm which generates a sequence of local maximizers that converges to a ...
R. Enkhbat   +3 more
doaj  

Intelligent Route Planning for Transport Ship Formations: A Hierarchical Global–Local Optimization and Collaborative Control Framework

open access: yesJournal of Marine Science and Engineering
Multi-vessel formation shipping demonstrates significant potential for enhancing maritime transportation efficiency and economy. However, existing route planning systems inadequately address the unique challenges of formations, where traditional methods ...
Zilong Guo   +5 more
doaj   +1 more source

First order optimality conditions in set-valued optimization [PDF]

open access: yes
A a set-valued optimization problem minC F(x), x 2 X0, is considered, where X0 X, X and Y are Banach spaces, F : X0 Y is a set-valued function and C Y is a closed cone.
Rocca Matteo   +2 more
core  

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

open access: yesFEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri   +5 more
wiley   +1 more source

Global search method for solving Malfatti’s four-circle problem

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2016
We consider Malfatti’s problem formulated 200 years ago. In the beginning, Malfatti’s problem was supposed to be solved in a geometric construction way. In 1994, it was done by Zalgaller and Los for the original Malfatti’s problem using so-called greedy ...
R. Enkhbat, M. Barkova
doaj  

Maximizing the Sum of Radii of Balls Inscribed in a Polyhedral Set

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2019
The sphere packing problem is one of the most applicable areas in mathematics which finds numerous applications in science and technology [1–4;8;9;11–14].
R. Enkhbat, J. Davaadulam
doaj   +1 more source

First order optimality condition for constrained set-valued optimization [PDF]

open access: yes
A constrained optimization problem with set-valued data is considered. Different kind of solutions are defined for such a problem. We recall weak minimizer, efficient minimizer and proper minimizer.
Rocca Matteo   +2 more
core  

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