Analysis and modeling of daily air pollutants in the city of Ruse, Bulgaria I Zheleva, E Veleva, M Filipova AIP Conference Proceedings 1895 (1), 2017 | 30 | 2017 |
Markov chains modelling of particulate matter (PM10) air contamination in the city of Ruse, Bulgaria E Veleva, IR Georgiev, I Zheleva, M Filipova AIP Conference Proceedings 2302 (1), 2020 | 23 | 2020 |
GARCH models for particulate matter PM10 air pollutant in the city of Ruse, Bulgaria E Veleva, I Zheleva Application of Mathematics in Technical and Natural Sciences 2025, 040016-1-9, 2018 | 18 | 2018 |
Testing a normal covariance matrix for small samples with monotone missing data E Veleva Applied Mathematical Sciences 3 (54), 2671-2679, 2009 | 16 | 2009 |
Statistical modeling of particle mater air pollutants in the city of Ruse, Bulgaria E Veleva, I Zheleva MATEC Web of Conferences 145, 01010, 2018 | 13 | 2018 |
Some marginal densities of the sample correlation coefficients of independent normally distributed random variables EI Veleva Annuaire de l’Universite de Sofia” St. Kliment Ohridski”, Faculte des …, 2006 | 11 | 2006 |
Comparison of heuristic algorithms for solving a specific model of transportation problem I Georgiev, D Grozev, V Pavlov, E Veleva American Institute of Physics Conference Series 2302 (1), 060004, 2020 | 10 | 2020 |
Seasonality of the levels of particulate matter PM10 air pollutant in the city of Ruse, Bulgaria E Veleva, IR Georgiev AIP Conference Proceedings 2302 (1), 2020 | 9 | 2020 |
Statistical study of particulate matter (PM10) air contamination in the city of Vidin, Bulgaria E Veleva, M Filipova, I Zheleva AIP Conference Proceedings 2522 (1), 2022 | 8 | 2022 |
Decomposition techniques for modelling the levels of particulate matter PM10 air pollutant in the city of silistra, Bulgaria E Veleva, I Zheleva, I Georgiev AIP Conference Proceedings 2302 (1), 2020 | 7 | 2020 |
Properties of the Bellman gamma distribution E Veleva Pliska Studia Mathematica Bulgarica 20, 221-232, 2011 | 7 | 2011 |
Stochastic representations of the Bellman gamma distribution E Veleva Int. Conf. on Theory and Applications of Mathematics and Informatics, ICTAMI …, 2009 | 6 | 2009 |
Distributions of joint sample correlation coefficients of independent normally distributed random variables E Veleva, T Ignatov Advanced Studies in Contemporary Mathematics, 247 – 254, 2006 | 6 | 2006 |
Uniform random positive definite matrix generating EI Veleva Math. and Education in Math 35, 315-320, 2006 | 6 | 2006 |
Some new properties of Wishart distribution E Veleva Applied Mathematical Sciences 2 (54), 2673-2682, 2008 | 5 | 2008 |
Positive definite random matrices E Veleva COMPTES RENDUS-ACADEMIE BULGARE DES SCIENCES 59 (4), 353, 2006 | 5 | 2006 |
Some Marginal Densities of the Wishart Distribution Някои маргинални плътности на разпределението на Уишарт E Veleva Union of Bulgarian Mathematicians 41 (1), 273-278, 2012 | 4 | 2012 |
Test for Independence of the Variables with Missing Elements in One and the Same Column of the Empirical Correlation Matrix E Veleva Serdica Math. J 34, 509-530, 2008 | 4 | 2008 |
Joint densities of correlation coefficients for samples from multivariate standard normal distribution E Veleva Pliska Stud. Math. Bulgar 18, 379-386, 2007 | 4 | 2007 |
A representation of the Wishart distribution by functions of independent random variables EI Veleva Annuaire de l’Universite de Sofia St. Kliment Ohridski, Faculte des Sciences …, 2007 | 4 | 2007 |