VOLUME 11, 2014

CONTENTS

Mathematics

Tsetska Rashkova .......................................................................................................... 7

The T- ideal of the X –figural matrix algebra

Julia Chaparova, Eli Kalcheva ....................................................................................... 14

Existence and multiplicity of periodic solutions of second – order ODE with sublinear and superlinear terms

Veselina Evtimova .......................................................................................................... 23

A study of the possibilities to establish a stationary mode in an auto fleet

Informatics

Georgi Krastev................................................................................................................ 29

Software for electronic trade from Mobile terminal

Georgi Krastev................................................................................................................ 37

Developing a software platform for distance learning in audio-video producing

Valentin Velikov, Aleksandar Iliev................................................................................... 44

Simple systems Aid the software development

Victoria Rashkova .......................................................................................................... 53

Data encryption software 

Kamelia Shoylekova........................................................................................................ 63

Business architecture of an e-commerce company

ValentinVelikov, Malvina Makarieva................................................................................ 72

Parser Java-code to XML-file

Metodi Dimitrov ............................................................................................................... 80

Updating the records of the search engines due to a client request

Svetlozar Tsankov........................................................................................................... 84

Cognitive approach to developing learning design for interactive multimedia training

Galina Atanasova............................................................................................................ 91

An empirical study of a model for teaching algorithms

Desislava Baeva,Svilena Marinova................................................................................ 98

Semantic Web in e-commerce

Ivan Stanev,Lyudmil Georgiev........................................................................................ 103

Robovisor- Psychotherapist’s selfsupervision robotic assistant in positive psychotherapy

Physics

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

Nuclear charge form factor and cluster structure

Galina Krumova............................................................................................................... 116

Contributions of folding, cluster and interference terms to the charge form factor of ⁶Li Nucleus