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Diffusive representations of fractional derivatives have proven to be useful tools in the construction of fast and memory efficient numerical methods for solving fractional differential equations. A common challenge in many of the known…

数值分析 · 数学 2022-04-11 Kai Diethelm

In this study, we consider a linear differential equation with fuzzy boundary values. We express the solution of the problem in terms of a fuzzy set of crisp real functions. Each real function from the solution set satisfies differential…

数值分析 · 计算机科学 2011-07-22 Nizami Gasilov , Şahin Emrah Amrahov , Afet Golayoğlu Fatullayev

In this paper we introduce a new mathematical tool to solve fractional equations representing models of fractional systems : The Ultradistributions. Ultradistributions permit us to unify the notion of integral and derivative in one only…

数学物理 · 物理学 2009-03-26 C. M. Grunfeld , M. C. Rocca

We interpret a fuzzy set as a random availability function and provide sufficient conditions under which a preference relation over the set of all random availability functions can be represented by a utility function.

理论经济学 · 经济学 2025-05-06 Somdeb Lahiri

Submodular functions are an important class of functions in combinatorial optimization which satisfy the natural properties of decreasing marginal costs. The study of these functions has led to strong structural properties with applications…

多智能体系统 · 计算机科学 2009-11-13 Gagan Goel , Pushkar Tripathi , Lei Wang

An expression for the subdifferential of the joint numerical radius is obtained. Its applications to the best approximation problems in the joint numerical radius are discussed.

泛函分析 · 数学 2022-01-11 Priyanka Grover , Sushil Singla

Submodularity is a fundamental phenomenon in combinatorial optimization. Submodular functions occur in a variety of combinatorial settings such as coverage problems, cut problems, welfare maximization, and many more. Therefore, a lot of…

数据结构与算法 · 计算机科学 2011-11-08 Shaddin Dughmi

In this paper we study the right differentiability of a parametric infimum function over a parametric set defined by equality constraints. We present a new theorem with sufficient conditions for the right differentiability with respect to…

最优化与控制 · 数学 2023-06-22 Kevin Sturm

Submodular functions are discrete functions that model laws of diminishing returns and enjoy numerous algorithmic applications. They have been used in many areas, including combinatorial optimization, machine learning, and economics. In…

数据结构与算法 · 计算机科学 2012-08-24 Maria-Florina Balcan , Nicholas J. A. Harvey

In this paper, based on ideals, we investigate residuated lattices from fuzzy set theory and lattice theory point of view. Ideals are important concepts in the theory of algebraic structures used for formal fuzzy logic and first, we…

逻辑 · 数学 2024-01-30 Cristina Flaut , Dana Piciu , Bianca Liana Bercea

The aim of this paper is to introduce the notion of intuitionistic fuzzy Lie subalgebras and intutionistic fuzzy Lie ideals of n-Lie algebras. It is a generalization of intuitionistic fuzzy Lie algebras. Then, we investigate some of…

环与代数 · 数学 2021-01-20 Shadi Shaqaqha

By using the theory of first-order differential subordination for functions with fixed initial coefficient, several well-known results for subclasses of univalent functions are improved by restricting the functions to have fixed second…

复变函数 · 数学 2012-08-02 Sumit Nagpal , V. Ravichandran

This paper investigates general and generalized differentiation properties of the optimal value function associated with perturbed optimization problems. Fundamental results on nearly convex sets and functions in infinite-dimensional spaces…

最优化与控制 · 数学 2025-10-24 V. S. T. Long , B. S. Mordukhovich , N. M. Nam , L. White

This paper considers a new fuzzy fractional differential variational inequality with integral boundary conditions comprising a fuzzy fractional differential inclusion with integral boundary conditions and a variational inequality in…

最优化与控制 · 数学 2026-03-31 Zengbao Wu , Quanguo Zhang , Tao Chen , Yibin Xiao , Tianyin Wang , Chunyan Yang

We propose a simple criterion of compactness in the space of fuzzy number on the space of finite dimension and apply to deal with a class of fuzzy intergral equations in the best condition.

泛函分析 · 数学 2017-07-10 Tran Minh Thuyet , Do Huy Hoang , Pham Thanh Son , Ho Quang Duc

We consider the differentiation of the value function for parametric optimization problems. Such problems are ubiquitous in Machine Learning applications such as structured support vector machines, matrix factorization and min-min or…

最优化与控制 · 数学 2020-12-29 Sheheryar Mehmood , Peter Ochs

We study incommensurate fractional variational problems in terms of a generalized fractional integral with Lagrangians depending on classical derivatives and generalized fractional integrals and derivatives. We obtain necessary optimality…

最优化与控制 · 数学 2013-10-03 Tatiana Odzijewicz , Agnieszka B. Malinowska , Delfim F. M. Torres

This research will present a hybrid approach to accelerate convergence in a second order optimization. An online finite difference approximation of the diagonal Hessian matrix will be introduced, along with fuzzy inferencing of several…

机器学习 · 计算机科学 2024-03-26 Abdelaziz Bensadok , Muhammad Zeeshan Babar

The aim of this paper is to exhibit a necessary and sufficient condition of optimality for functionals depending on fractional integrals and derivatives, on indefinite integrals and on presence of time delay. We exemplify with one example,…

经典分析与常微分方程 · 数学 2015-12-22 Ricardo Almeida

This paper considers the linear objective function optimization with respect to a novel system of fuzzy relation equations, where the fuzzy compositions are defined by the minimum t-norm. It is proved that the feasible solution set is…

最优化与控制 · 数学 2023-09-22 Amin Ghodousian , Mahdi Mollakazemiha