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Minimax single facility location problems in multidimensional space with Chebyshev distance are examined within the framework of idempotent algebra. The aim of the study is twofold: first, to give a new algebraic solution to the location…

Optimization and Control · Mathematics 2012-11-13 Nikolai Krivulin

We examine two multidimensional optimization problems that are formulated in terms of tropical mathematics. The problems are to minimize nonlinear objective functions, which are defined through the multiplicative conjugate vector…

Optimization and Control · Mathematics 2013-11-12 Nikolai Krivulin , Karel Zimmermann

This is a survey paper on applications of mathematics of semirings to numerical analysis and computing. Concepts of universal algorithm and generic program are discussed. Relations between these concepts and mathematics of semirings are…

Numerical Analysis · Mathematics 2010-05-10 G. L. Litvinov , V. P. Maslov , A. Ya. Rodionov , A. N. Sobolevski

We consider location problems to find the optimal sites of placement of a new facility, which minimize the maximum weighted Chebyshev or rectilinear distance to existing facilities under constraints on a feasible location domain. We examine…

Optimization and Control · Mathematics 2020-07-10 Nikolai Krivulin

We consider discrete best approximation problems in the setting of tropical algebra, which is concerned with the theory and application of algebraic systems with idempotent operations. Given a set of input--output pairs of an unknown…

Numerical Analysis · Mathematics 2025-11-18 Nikolai Krivulin

An approach to schedule development in project management is developed within the framework of idempotent algebra. The approach offers a way to represent precedence relationships among activities in projects as linear vector equations in…

Optimization and Control · Mathematics 2012-10-25 Nikolai Krivulin

Linear vector equations and inequalities are considered defined in terms of idempotent mathematics. To solve the equations, we apply an approach that is based on the analysis of distances between vectors in idempotent vector spaces. The…

Optimization and Control · Mathematics 2013-05-21 Nikolai Krivulin

In this paper, we present and analyze methods for solving a system of linear equations over idempotent semifields. The first method is based on the pseudo-inverse of the system matrix. We then present a specific version of Cramer's rule…

Commutative Algebra · Mathematics 2019-06-25 Fateme Olia , Shaban Ghalandarzadeh , Amirhossein Amiraslani , Sedighe Jamshidvand

The paper is devoted to the study of the unconditional extremal problem for a fractional linear integral functional defined on a set of probability distributions. In contrast to results proved earlier, the integrands of the integral…

Optimization and Control · Mathematics 2019-06-14 Peter Shnurkov , Kseniia Adamova

Multidimensional minimax single facility location problems with Chebyshev distance are examined within the framework of idempotent algebra. A new algebraic solution based on an extremal property of the eigenvalues of irreducible matrices is…

Optimization and Control · Mathematics 2012-12-27 Nikolai Krivulin

The tropical semifield, i.e., the real numbers enhanced by the operations of addition and maximum, serves as a base of tropical mathematics. Addition is an abelian group operation, whereas the maximum defines an idempotent semigroup…

Algebraic Geometry · Mathematics 2010-03-18 Z. Izhakian , E. Shustin

Many problems in optimization theory are strongly nonlinear in the traditional sense but possess a hidden linear structure over suitable idempotent semirings. After an overview of `Idempotent Mathematics' with an emphasis on matrix theory,…

Numerical Analysis · Mathematics 2025-10-20 Grigori Litvinov , Andrei Sobolevskii

This paper is a survey on universal algorithms for solving the matrix Bellman equations over semirings and especially tropical and idempotent semirings. However, original algorithms are also presented. Some applications and software…

Rings and Algebras · Mathematics 2014-01-20 Grigory L. Litvinov , Anatoly Ya. Rodionov , Sergei N. Sergeev , Andrei N. Sobolevski

Extremality and irreducibility constitute fundamental concepts in mathematics, particularly within tropical geometry. While extremal decomposition is typically computationally hard, this article presents a fast algorithm for identifying the…

Algebraic Geometry · Mathematics 2024-03-04 Farhad Babaee , Sean Dewar , James Maxwell

A brief introduction to tropical and idempotent mathematics (with an emphasys on idempotent functional analysis) is presented. Applications to classical mechanics and geometry are especially examined.

Mathematical Physics · Physics 2010-05-10 Grigory L. Litvinov

We consider a project that consists of a set of activities performed in parallel under constraints on their start and finish times, including start-finish precedence relationships, release start times, release end times, and deadlines. The…

Optimization and Control · Mathematics 2020-07-10 Nikolai Krivulin

We look for pointwise bounds on a plurisubharmonic function near its singularity point, given the value of its generalized Lelong number with respect to a plurisubharmonic weight. To this end, an extremal problem is considered. In certain…

Complex Variables · Mathematics 2009-07-01 Alexander Rashkovskii

Tropical and idempotent analysis with their relations to the Hamilton-Jacobi and matrix Bellman equations are discussed. Some dequantization procedures are important in tropical and idempotent mathematics. In particular, the…

Rings and Algebras · Mathematics 2012-03-05 Grigory L. Litvinov

We develop techniques at the interface between differential algebra and model theory to study the following problems of exponential algebraicity: Does a given algebraic differential equation admits an exponentially algebraic solution, that…

Logic · Mathematics 2025-10-31 Rémi Jaoui , Jonathan Kirby

In this note we describe conditions under which, in idempotent functional analysis, linear operators have integral representations in terms of idempotent integral of V. P. Maslov. We define the notion of nuclear idempotent semimodule and…

Functional Analysis · Mathematics 2007-05-23 Grigori Litvinov , Grigori Shpiz