Results 11 to 20 of about 49,792,933 (254)

Nonsmooth analysis of three-dimensional slipping and rolling in the presence of dry friction. [PDF]

open access: yesNonlinear Dyn, 2019
In this paper, the nonsmooth dynamics of two contacting rigid bodies is analysed in the presence of dry friction. In three dimensions, slipping can occur in continuously many directions.
Antali M, Stepan G.
europepmc   +2 more sources

Weak Subdifferential in Nonsmooth Analysis and Optimization [PDF]

open access: yesJournal of Applied Mathematics, 2011
Some properties of the weak subdifferential are considered in this paper. By using the definition and properties of the weak subdifferential which are described in the papers (Azimov and Gasimov, 1999; Kasimbeyli and Mammadov, 2009; Kasimbeyli and ...
Şahlar F. Meherrem, Refet Polat
doaj   +6 more sources

Nonsmooth Analysis [PDF]

open access: yes, 1984
This survey of nonsmooth analysis sets out to prove an inverse function theorem for set-valued maps. The inverse function theorem for the more usual smooth maps plays a very important role in the solution of many problems in pure and applied analysis, and we can expect such an adaptation of this theorem also to be of great value. For example, it can be
Aubin, J.-P., Ekeland, I.
core   +3 more sources

A Unified Convergence Analysis for Some Two-Point Type Methods for Nonsmooth Operators [PDF]

open access: yesMathematics, 2019
The aim of this paper is the approximation of nonlinear equations using iterative methods. We present a unified convergence analysis for some two-point type methods.
Sergio Amat   +4 more
doaj   +2 more sources

Editorial for the Special Issue on “Recent Advances in Nonsmooth Optimization and Analysis”

open access: yesAlgorithms
In recent years, nonsmooth optimization and analysis have seen remarkable advancements, significantly impacting various scientific and engineering disciplines [...]
Sorin-Mihai Grad
doaj   +2 more sources

Smoothed quantile residual life regression analysis with application to the Korea HIV/AIDS cohort study [PDF]

open access: yesBMC Medical Research Methodology
Background The residual life of a patient with human immunodeficiency virus (HIV) is of major interest to patients and their physicians. While existing analyses of HIV patient survival focus mostly on data collected at baseline, residual life analysis ...
Soo Min Kim   +3 more
doaj   +2 more sources

Nonsmooth Dynamical Systems: Analysis, Control and Optimization

open access: yes, 2023
For the modeling of a large class of physical phenomena, certain electrical and mechanical devices, and even for some algorithms, the framework of nonsmooth systems provides a class of mathematical models that accurately describe the underlying ...
Diehl, Moritz   +2 more
core   +8 more sources

A CECT-Based 2PI System as a Novel Noninvasive Prognostic Tool for Hepatocellular Carcinoma: A Dual-Validation Study. [PDF]

open access: yesCancer Sci
Using differential weighting, we developed a 2PI‐based risk stratification system for HCC recurrence. A comprehensive prognostic model incorporating clinical variables and the 2PI score further enhanced postoperative prediction in solitary HCC and showed initial generalizability across SR and RFA cohorts.
Cui Y   +10 more
europepmc   +2 more sources

Nonsmooth nonconvex–nonconcave minimax optimization: Primal–dual balancing and iteration complexity analysis [PDF]

open access: yesMathematical programming, 2022
Nonconvex–nonconcave minimax optimization has gained widespread interest over the last decade. However, most existing works focus on variants of gradient descent-ascent (GDA) algorithms, which are only applicable to smooth nonconvex–concave settings.
Jia-Jin Li   +2 more
semanticscholar   +1 more source

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