Comptes rendus de l'Académie bulgare des Sciences

C O N T E N T S

MATHEMATICS

01   Jordan Zashev   Operative Spaces and Time Complexity

02   Ilinka Dimitrova, Jörg Koppitz   On Some Anti-inverse Transformation Semigroups

03   Zia Bashir, Georgi E. Karadzhov   Optimal Embeddings of Generalized Besov Spaces

04   Ralitza Kovacheva   Normal Families of Meromorphic Functions

05   Jordanka Paneva-Konovska   Convergence of Series in Mittag-Leffler Functions

06   Romi F. Shamoyan, Olivera R. Mihić   On New Estimates for Distances in Analytic Function Spaces in the Unit Disk

07   Nedyu Popivanov, Todor Popov   Behaviour of Singular Solutions to 3-D Protter Problem for a Degenerate Hyperbolic Equation

08   Georgi Ganchev, Velichka Milousheva   Invariants of Lines on Surfaces in R⁴

09   Mariana Hadzhilazova, Ivailo M. Mladenov   On Bernoulli’s Lemniscate and Co-Lemniscate

10   Lubomir T. Dechevsky   Error Estimates Based on Full Discretization of Semidiscrete Finite Difference Schemes

BIOLOGY

11   Tonka Toncheva-Panova, Irina Pouneva, Georgi Chernev, Mariana Sholeva   Preparation of Nano-biomaterials with Leptolyngbia foveolarum and Heavy Metal Biosorption by Free and Immobilized Algal Cells

12   Nadejda Bocheva   Effects of Aging on the Discrimination of Radial Flow Direction

13   Katya Stankova, Vladimir Nikolov, Radostina Georgieva, Ivanka Rupova, Rayna Boteva   Geldanamycin Can Reduce Radiation-Induced DNA Double Strand Breaks in Normal Human Lymphocytes

14   Alexander Kyumurkov, Alexander Evangelatov, Ralica Skrobanska, Nadejda Stefanova, Roumen Pankov   Activation of β1 Integrin Stimulates Microtubule Acetylation

GEOLOGY

15   Vladimir Bozukov, Boris Tsenov, Milorad Vatsev   A First Find of Botrychium (Ophioglossaceae) in Bulgarian Palaeomacroflora

PHYSICAL GEOGRAPHY

16   Kristina Dencheva   Application of Morpho-functional Parameters of Macrophytes for European Water Framework Directive Purposes

ENGINEERING SCIENCES

17   Stanimir Stoyanov, Ivan Ganchev, Ivan Popchev, Ivan Dimitrov   Request Globalization in an Infostation Network

18   Goce Stefanov, Ljupco Karadzinov   Control and Data Log of Functions for Protection in the Hydraulic Excavator

MEDICINE

19   Negrin Negrev, Yuri Nyagolov, Margarita Ivanova, Radko Radev   Effects of Hormones of the Hypothalamic-Pituitary-Thyroid Axis on Activities and Concentrations of Plasma Clotting Factor VIII and Von Willebrand Factor in Rats

20   Dimo Krastev, Anatoli Dimitrov, Nikolai Krastev   Histochemical Observation of Nitric Oxide Synthase in Trigeminal Ganglion Using Nadph-Diaphorase Techniques. Cyto- and Myeloarchitectonic of Trigeminal Ganglion in Humans