VOLUME 14, 2017

CONTENTS

 

╩ţ­Ŕ÷Ó Ŕ ÝÓ¸ÓŰÝŔ ˝˛­ÓÝŔ÷Ŕ

 

 

Mathematics

Ivanka Angelova..................................................................................................................... 9

High-order difference schemes based on integral identities for systems of weakly coupled

ordinary differential equations

Petio Kelevedjiev, Silvestar Bojerikov.................................................................................. 19

On the solvability of a singular second order initial value problems

Tsetska Rashkova............................................................................................................... 25

Finitely generated Grassmann algebras - commutativity and computer approach

Tsetska Rashkova............................................................................................................... 34

PI-properties of a fourth order matrix superalgebra with involution

Julia áChaparova................................................................................................................... 41

Mathematical modelling of action potential in neurobiology

Veselina Evtimova ............................................................................................................... 50

A study on the impact of an increase in crude oil price and the US dollar exchange rate on

the capabilities of an emergency medical aid centre to serve patients

 

 

Informatics

Valentin Velikov, Ivelin Mitev................................................................................................ 55

Graphical editor for Android

Valentin Velikov, Petya Marinova......................................................................................... 63

Graphical interface ôFile commanderö for Android

Desislava Baeva, Ivan Ivanov............................................................................................. 74

Graphic editor with natural-language interface

Victoria Rashkova, Mihaela Mihneva................................................................................... 82

Web-based system for a hospital pharmacy and inventory management

Valentina Voinohovska......................................................................................................... 89

Encouraging studentsĺ creativity through interdisciplinaryľoriented learning process

Galina Atanasova................................................................................................................. 96

Basic use cases in programming contests training system

 

 

 

 

 

 

Physics

Galina Krumova.................................................................................................................. 103

Model of coupled bands in even-even nuclei

Galina Krumova.................................................................................................................. 109

Thirty fifth international workshop on nuclear theory in the hearth of Rila