Comptes rendus de l'Académie bulgare des Sciences

C O N T E N T S

MATHEMATICS

01   Petar Kenderov, Julian Revalski   Dense Existence of Solutions of Perturbed Optimization Problems And Topological Games

02   Vladimir P. Kostov   A Mapping Defined by the Schur-Szegö Composition

03   Nedyu Popivanov, Todor Popov, Rudolf Scherer   Semi-Fredholm Solvability or Exponential Growth for (3+1)-D Protter Problems

04   Petar Popivanov, Angela Slavova, Pietro Zecca   Regularizing Property of the Solutions of a Dissipative Semilinear Wave Equation

05   Iani Arnaoudov, George Venkov   Relations Between Spheroidal and Spherical Harmonics

06   Vania Peneva, Ivan Popchev   Fuzzy Multi-Criteria Decision Making Algorithms

07   Diana Boyadzhieva   New Type of Similarity Measures for Intuitionistic Fuzzy Sets Based on the Different Operations "Subtraction"

BIOLOGY

08   Ralitza Damyanova, Tania Markovska, Vanio Mitev, Galya Staneva, Diana Petkova   Uptake of Fatty Acids by Fibroblasts Cultured in Three-Dimensional Matrix

09   Aglika Edreva, Irina Pouneva, Emilia Gesheva, Tsanko Gechev   Suppression of Ros Accumulation in atr Arabidopsis Thaliana Mutants with Compromised Programmed Cell Death

10   Emilia Apostolova, Irina Pouneva, Irena Grigorova, Kaledona Minkova, Nezabravka Nikolaeva, Georgi Rashkov   Differential Response of the Photosynthetic Apparatus of Antarctic AlgaeSynechocystis Salina(Cyanophyta) and Chlorella Vulgaris (Chlorophyta) to UV-B Radiation

11   Katia Ivanova, Katya Stankova, Rayna Boteva   Fluorescence Analysis of Nonhomologous End Joining Repair Pathway of DNA

12   Ludmil Kirazov, Evgeni Kirazov, Alexandra Gramowski, Konstantin Jügelt, Olaf Schroeder, Cyrill Naydenov, Evgenia Vassileva, Dieter G. Weiss   Amyloid Beta 1-42 Monomers but not High Oligomers Induce an Inhibition of Electrical Activity of Cultured Neuronal Network

13   Anelia Kenarova, Galina Radeva   Inhibitory Effects of Total and Water Soluble Concentrations of Heavy Metals on Microbial Dehydrogenase Activity

PHYSICAL GEOGRAPHY

14   Margarita Stancheva   Sand Dunes along the Bulgarian Black Sea Coast

GEOPHYSICS

15   Elisaveta Marekova   Investigation of Series of Consecutive Pairs of Large Earthquakes in Different Seismic Regions

MEDICINE

16   Georgeta Bocheva   A Possible Role of Mast Cell Tryptase and Proteinase-Activated Receptor-2 in The Pathogenesis of Oral Lichen Planus

17   Miroslava Varadinova, Diana Drenska, Nadka Boyadjieva   Effects of Anthocyanins and Estradiol in Forced-Swimming Test of Ovariectomized Rats

18   Tzvetanka Markova, Valentin Lozanov, Bistra Alexieva, Maria Dyulgerova, Vanyo Mitev, Nadka Boyadjieva   Rolipram Inhibits Phorbol Ester-Induced Histamine Synthesis in Murine P-815 Mastocytoma Cells

19   Javor Mitkov, Lora Nikolova, Irina Nikolova, Nikolai Danchev, Alexander Zlatkov   Synthesis and Brain Antihypoxic Activity of Some Aminoalcoholic Derivatives of Caffeine-8-Thioglycolic Acid

20   Daniela Dimitrova, Plamen Kinov, Lyubomir Marinchev, Radka Hristoskova, Maya Belitova   Differential Diagnostic Approach to Paraneoplastic Arthritis of the Knee Joint Associated With Rectal Carcinoma