Vol. 79 No. 2 (2026)

Published: 26-02-2026

Full Issue

Table of Contents

Mathematics

Generalized Entropies Obtained from Extensivity Principle

Cenap Ozel, Hadeel Albeladi, Patrick Linker, Mustafa Tahsin Yilmaz

157–166
- Full Text
Ruled Hypersurfaces in Nonflat Complex Planes with 3-Killing Structure Vector Fields

Yaning Wang, Miaojing Hou, Tianci Liu

167–174
- Full Text
Markov Branching Process with Infinite Variance and Poisson Immigration with Decreasing Intensity

Kosto V. Mitov, Nikolay M. Yanev

175–182
- Full Text

Physics

Application of Electromagnetic Echo Effect for Control of Atmospheric Pollution

Petar Todorov , Ognyan Ivanov, Dimitar Chakarov

183–189
- Full Text

Biology

Effect of Alpha Lipoic Acid on Rat Kidneys in Acitretin and Methotrexate Induced Oxidative Injury

Burcu Özmen, Emine Dıraman, Fatma Gönül Sezgin

190–197
- Full Text

Geology

The 'Ladinian–Carnian Terrigenous Invasion' Revisited: Clues from the Petrography of Sandstones and Shales in Northwestern Bulgaria

Athanas Chatalov

198–208
- Full Text

Geophysics

Mediterranean Cyclones and Meteoalarm Warnings for Sofia: October-April 2010–2019

Stanislava Tsalova, Krasimir Stoev, Piia Post, Anastasiya Stoycheva, Guergana Guerova

209–217
- Full Text
Assessment of Greenhouse Gas Emissions from Post-harvest Rice-straw Burning in Triple- and Double-crop Systems in the Upper Vietnamese Mekong Delta

Nguyen Thi Phuong, Ho Nguyen, Diep Thi Hong Nguyen

218–226
- Full Text

Engineering Sciences

Halloysite Nanotubes Modified with Nanoparticles of Cerium Oxide for Health Technology

Linyu Wang, Lei Mao, Jingjing Chen, Linmin Qi, Serhii Brychka, Alla Brychka, Beatriz Luci Fernandes

227–235
- Full Text
Scalable IT Solutions Using MLP Neural Networks and AI-based Big Data Processing

Xiaobin Zhao, Shuhong Yuan

236–245
- Full Text
Evaluation of Lateral Response in Offshore Wind Monopiles: A Comparison of Analytical and Numerical Approaches

Fatma Dulger Canogullari, Ozgur L. Ertugrul

246–254
- Full Text

Medicine

Antihyperalgesic Effect of an Angiotensin 1-7 Structural Analogue in Rats

Borislav Assenov, Daniela Pechlivanova, Dimo Angelov, Petar Todorov, Elena Dzhambazova

255–262
- Full Text
Translation and Validation of Bulgarian Version of Scale Standardized Evaluation of Pain – Neuropathic Pain in Patients with Painful Diabetic Polyneuropathy

Karina Atanasova-Ivanova, Vasil Todorov, Ivan Milanov, Desislava Bogdanova

263–269
- Full Text
Delayed Hysterectomy in Placenta Accreta Spectrum Disorders (PAS): Better or Worse Method of Choice?

Konstantsa Neykova, Tsvetelina Popova, Svetlozar Slavov

270–274
- Full Text
Ultrasound vs. Magnetic Resonance Imaging in the Diagnosis of Placenta Accreta Spectrum

Mariana Tsankova, Svetlozar Slavov, Ivan Kostov, Sergei Slavov

275–282
- Full Text