Browsing Mathematical Sciences by Title
Now showing items 120 of 183

Activity coefficient and the Einstein relation
(19830715)A connection between the activity coefficient of current carriers and the Einstein relations is established by two methods, one based on normal semiconductor concepts and one based on irreversible thermodynamics. The ... 
Advanced Discrete HalanayType Inequalities: Stability of Difference Equations
(20090121)We derive new nonlinear discrete analogue of the continuous Halanaytype inequality. These inequalities can be used as basic tools in the study of the global asymptotic stability of the equilibrium of certain generalized ... 
Applications of Random Matrices to Image Processing for Image Denoising
Random matrices were first introduced in studies related to mathematical statistics by Wishart, Hsu. Later, Dyson recognized that would be required a new type of statistical mechanics to describe the nuclear energy levels ... 
An approximation approach to eigenvalue intervals for singular boundary value problems with sign changing and superlinear nonlinearities
(20091026)This paper studies the eigenvalue interval for the singular boundary value problem u″ = g (t, u) + λ h (t, u), t ∈(0, 1),u (0) = 0 = u (1), where g + h may be singular at u = 0, t = 0, 1, and may change sign and be superlinear ... 
Asymptotic Analysis of the Structure of a Steady Planar Detonation: Review and Extension
(1999)The structure of a steady planar ChapmanJouguet detonation, which is supported by a direct firstorder onestep irreversible exothermic unimolecular reaction, subject to Arrhenius kinetics, is examined. Solutions are ... 
Asymptotic Optimality of Experimental Designs in Estimating a Product of Means
(1990)In nonlinear estimation problems with linear models, one difficulty in obtaining optimal designs is their dependence on the true value of the unknown parameters. A Bayesian approach is adopted with the assumption the means ... 
Asymptotic Optimality of Sequential Designs for Estimation
(19951105)This paper is concerned with the problem of allocating a fixed number of trials between K independent populations from the exponential family, in order to estimate a linear combination of the means with squared error loss. ... 
Asymptotically linear solutions for some linear fractional differential equations
(201011)We establish here that under some simple restrictions on the functional coefficient at the fractional differential equation 0Dα t tx − x x0 at x 0,t> 0, has a solution expressible as ct d o1 for t → ∞, ... 
Best proximity pairs for upper semicontinuous setvalued maps in hyperconvex metric spaces
(20081105)A best proximity pair for a setvalued map F : A → B with respect to a map g : A → A is defined, and new existence theorems of best proximity pairs for upper semicontinuous setvalued maps with respect to a homeomorphism ... 
Best proximity pairs theorems for continuous setvalued maps
(20081230)A best proximity pair for a setvalued map F : A ○ B with respect to a setvalued map G : A ○ A is defined, and a new existence theorem of best proximity pairs for continuous setvalued maps is proved in nonexpansive ... 
BirkhoffKellogg theorems on invariant directions for multimaps
(20011211)We establish BirkhoffKellogg type theorems on invariant directions for a general class of maps. Our results, in particular, apply to Kakutani, acyclic, O'Neill, approximable, admissible, and script U signCK maps. 
Boundary Value Problems in a Multidimensional Box for Higher Order Linear and QuasiLinear Hyperbolic Equations
(201805)Boundary value problems in a multidimensional box for higher order linear hyperbolic equations are considered. The concept of associated problems are introduced. For general boundary value problems there are established: (i) ... 
Boundary value problems on the half line in the theory of colloids
(200204)We present existence results for some boundary value problems defined on infinite intervals. In particular our discussion includes a problem which arises in the theory of colloids. 
Browderkrasnoselskiitype fixed point theorems in Banach spaces
(20100402)We present some fixed point theorems for the sum A+B of a weaklystrongly continuous map and a nonexpansive map on a Banach space X. Our results cover several earlier works by Edmunds, Reinermann, Singh, and others. 
Bulk input queues with quorum and multiple vacations
(1995)The authors study a singleserver queueing system with bulk arrivals and batch service in accordance to the general quorum discipline: a batch taken for service is not less than r and not greater than R(≥r). The server ... 
A Bulk Queueing System Under NPolicy With Bilevel Service Delay Discipline and StartUp Time
(1993)The author studies the queueing process in a singleserver, bulk arrival and batch service queueing system with a compound Poisson input, bilevel service delay discipline, startup time, and a fixed accumulation level with ... 
The Capacitated Transfer Point Covering Problem (TPCP): Expanding Delivery Network Coverage with Minimal Resources
(201805)Retail delivery services have begun using unmanned systems in attempts to reduce the time from a customer’s order to when the product arrives at its intended destination. Utilizing these systems are beneficial to both ... 
A Center of a Polytope: an Expository Review and a Parallel Implementation
(19920301)The solution space of the rectangular linear system Ax = b, subject to x ≥ 0, is called a polytope. An attempt is made to provide a deeper geometric insight, with numerical examples, into the condensed paper by Lord, et ... 
Coincidence point, best approximation, and best proximity theorems for condensing setvalued maps in hyperconvex metric spaces
(20081221)In hyperconvex metric spaces, we first present a coincidence point theorem for condensing setvalued selfmaps. Then we consider the best approximation problem and the best proximity problem for setvalued mappings that ... 
Common fixed point theorems for a pair of countably condensing mappings in ordered Banach spaces
(2003)In this paper some common fixed point theorems for a pair of multivalued weakly isotone mappings on an ordered Banach space are proved.