Comptes rendus de l'Académie bulgare des Sciences

C O N T E N T S

MATHEMATICS

01   Milen Ivanov, Nadia Zlateva   Long Orbit or Empty Value Principle, Fixed Point and Surjectivity Theorems

02   Galina S. Borisova   The Connection between the Sturm-Liouville Systems and the Triangular Model of Couplings of Dissipative and Antidissipative Operators

PHYSICS

03   Todor Dimov, Ilia Iliev, Antonina Hristova, Zhelyo Bunzarov   Interband Faraday Rotation of Pure and Doped Crystals of MgSO₃.6H₂O

BIOLOGY

04   Georgi Markov, Elena Zvychaynaya, Alexei Danilkin, Marina Kholodova, Laszlo Sugar   Genetic Diversity and Phylogeography of Roe Deer (Capreolus capreolus L.) in Different Biogeographical Regions in Europe

05   Aneliya Kostadinova, Irina Georgieva, Tanya Topouzova-Hristova, Rumiana Tzoneva   Effect of Electrical Field and Miltefosine on Actin and Actin‑associated Protein ZO‑1 Organization in Cancer and Non Cancerous Cells

06   Daniela M. Simeonovska-Nikolova   Sex Differences in Novel Object Recognition with Similar Objects in Moundbuilding Mouse, Mus spicilegus (Mammalia: Rodentia)

07   Veselina Uzunova, Sonia Apostolova, Tsvetelina Angelova, Reneta Toshkova, Nelly Georgieva, Rumiana Tzoneva   HPC Hybrid Hydrogels with Embedded Silver Nanoparticles for Antibacterial Scaffolds. Biocompatibility Testing

GEOLOGY

08   Krasimira Slavova, Ivan Genov, Elena Koleva-Rekalova, Nikolai Dobrev   Redeposition of Chemical Aragonite at the Black Sea Sapropel Base - Proof for Early Holocene Black Sea Regression

GEOPHYSICS

09   Petya Trifonova, Metodi Metodiev   Geophysical Analysis of the Eastern Rhodope Region

SPACE SCIENCES

10   Dora Pancheva, Plamen Mukhtarov, Nikolay Penov   Pitfalls in Studying Planetary Waves in the Middle Atmosphere during Northern Extratropical Winter

ENGINEERING SCIENCES

11   Jansi Rani Sella Veluswami, Narayanasamy Palanisamy, Sakaya Milton Rajendram   Improving Transmission Control Protocol in Heterogeneous Networks by Loss Classification

MEDICINE

12   Georgi P. Georgiev, Boycho Landzhov, Iva N. Dimitrova, Lina Malinova, Wladimir Ovtscharoff   Expression of Fibronectin in the Epiligament after Injury of Rat Knee Medial Collateral Ligament

13   Evelina Vetskova, Marina Aleksandrova, Toma Avramov, Maria Nikolova   Immunomodulatory Effects of BCG in Recurrent Respiratory Papillomatosis Evaluated in Vitro

14   Snejina Vassileva, Galina Zhelezova, Karen Manuelyan, Kosara Drenovska, Grisha Mateev, Valeria Mateeva, Lyubka Miteva, Blagovesta Pencheva, Stanislava Zlateva, Rosen Michailov   Serum Levels of Interleukin-10 in Patients with Pemphigoid

15   Vesela Karamisheva, Stoimen Ivanov, Alan Nachev   Comparison of Two Rapid Strip Tests Based on fFn and PAMG‑1 for the Prediction of Imminent Spontaneous Preterm Delivery

16   Tania Tsocheva, Regina Djerassi, Milena Nikolova, Mila Liubomirova, Georgi Ivanov, Rumiana Krasteva, Boris Bogov   Contrast-enhanced Ultrasound in Differential Diagnosis between Angiomyolipoma and Renal Cell Carcinoma

17   Daniela Pencheva, Petia Genova-Kalou, Rayna Bryaskova   Comparative Study of Methods for Inactivation of Vaccines on Development Process of Veterinary “Ghost” Vaccine