Hikari is a publisher of journals and books in science, technology, medicine and economics, with editions covering a wide range of disciplines. The company was founded in 2005 and it is registered and operating in Bulgaria.
Hikari is a member of SPARC Europe (Scholarly Publishing and Academic Resources Coalition) and Publishers International Linking Association (CrossRef). The journals of Hikari Ltd are archived digitally in PORTICO - a digital preservation service whose mission is to preserve scholarly literature and to ensure long-term access to electronic archives.
Hikari provides free access to our books and free access to all papers of published issues of our journals. Forthcoming issues and articles in press contain papers which have been copy edited and formatted. Articles in press are citable but should not be considered as a final form of publication since text could still change before final publication.
E. Minchev holds master's degree from Sofia University and Ph.D degree from Chiba University, Japan. He has specialized in mathematical sciences in Waseda University, Tokyo, Japan. E. Minchev stayed for research work at University of Oldenburg (Germany), University of Amiens (France), University of Haifa (Israel), University of Gdansk (Poland), University of Graz (Austria), etc. He is author of a monograph and over 80 research papers published in international journals.
Plamena Yordanova graduated from Ruse University, Bulgaria with master's degree in engineering sciences.