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Application of sorting algorithms for convex hull determination

Mihaela Todorova, Stoyan Kapralov, Valentina Dyankova
2018 Mathematical and Software Engineering  
The proposed research explores the possibilities of applying some base algorithms for sorting to the process of finding a convex in order to optimize the time indicators of this process. A comparative analysis of the time characteristics has been performed using different time approaches in Graham's algorithm. The empirical results obtained have been used as a basis for building a pattern model of the process of finding a convex hull. It performs point sorting by a given criterion and finds a
more » ... nvex hull on a two-dimensional set of points. For this model, a visualization module has been developed that can be used as a learning environment in the courses of computing and complexity of algorithms.
doaj:7f2206ea101e4f41baddf718e3f3d73f fatcat:2nnrrfyyknh5jaog37wdlbxvta

SHAH: Hash Function based on Irregularly Decimated Chaotic Map [article]

Mihaela Todorova, Borislav Stoyanov, Krzysztof Szczypiorski, Krasimir Kordov
2018 arXiv   pre-print
In this paper, we propose a novel hash function based on irregularly decimated chaotic map. The hash function called SHAH is based on two Tinkerbell maps filtered with irregular decimation rule. Exact study has been provided on the novel scheme using distribution analysis, sensitivity analysis, static analysis of diffusion and confusion, and collision analysis. The experimental data show that SHAH satisfied admirable level of security.
arXiv:1808.01956v1 fatcat:o6nnfqfp2baynk675wdlzu3zwe

Application of Nanodiamonds in Modelled Bioremediation of Phenol Pollution in River Sediments

Ivaylo Yotinov, Mihaela Belouhova, Anna Foteva, Nora Dinova, Yovana Todorova, Irina Schneider, Elmira Daskalova, Yana Topalova
2022 Processes  
The pollution of aquatic ecosystems is a big problem that has its impact on river sediments. In recent decades, an effective solution to this problem has been the application of bioremediation technologies. Nanoremediation is an innovative part of these technologies. We still know little about the efficiency of nanoparticles, especially nanodiamonds, in modelled conditions. The aim of the present study is to investigate the effect of nanodiamonds on the key parameters of modelled bioremediation
more » ... of river sediments that are polluted with phenol, as well their effect on the structures and functions of microbial communities. An important indicative mechanism that was used is the application of fluorescent in situ hybridization for sediment microbial communities. The results of this study revealed the positive role of nanodiamonds that is associated with their intoxication with high concentrations of phenol. Readaptation was also found, in which the xenobiotic biodegradation potential evolved by increasing the relative proportions of non-culturable bacteria, namely Acinetobacter (at the 144th hour) and Pseudomonas (at the 214th hour). The results can help to find an effective solution to the question of how information from such precise molecular methods and the application of nanodiamonds can be translated into the accessible language of management and bioremediation technologies.
doi:10.3390/pr10030602 fatcat:p4k2zjjrhvgwzcdg5vik6uq3uq

Case 2: A 20-month-old boy with asymmetric growth of the legs

Mihaela Lukova, Tanya Kadiyska, Alexander Nossikoff, Albena Todorova, Tihomir Todorov, Veselin Mihaylov, Vanyo Mitev
2014 Paediatrics & child health  
doi:10.1093/pch/19.3.123 pmid:24665219 pmcid:PMC3959968 fatcat:tmhnbzkpmbeozglrr2oer7yku4

Purposely Development of the Adaptive Potential of Activated Sludge from Municipal Wastewater Treatment Plant Focused on the Treatment of Landfill Leachate

Mihaela Belouhova, Ivaylo Yotinov, Irina Schneider, Nora Dinova, Yovana Todorova, Valentina Lyubomirova, Veronika Mihaylova, Elmira Daskalova, Stilyana Lincheva, Yana Topalova
2022 Processes  
(Yovana Todorova); writing-review and editing, Y.T. (Yana Topalova), I.Y., M.B.; Y.T. (Yana Topalova), I.S.; project administration, Y.T. (Yana Topalova); funding acquisition, Y.T. (Yana Topalova).  ...  (Yovana Todorova); data collection-M.B., I.Y., I.S., V.L., V.M., N.D., S.L., E.D.; investigation, I.Y., M.B., I.S., N.D., V.L., V.M., E.D.; data curation, M.B., I.Y., I.S., V.L., V.M.; writingoriginal  ... 
doi:10.3390/pr10030460 fatcat:h6n2ce5fq5clxokmlqfjpvskke


2019 Ezikov svât  
doi:10.37708/ezs.swu.v17.i2.1 fatcat:owo4wrsa4vesvcfjmy2cjewa5i

SLR volume 81 issue 1 Cover and Front matter

2022 Slavic Review: Interdisciplinary Quarterly of Russian, Eurasian, and East European Studies  
163 REVIEW ESSAY Introduction ChriStiNe biChSel, ekateriNa Filep, Julia obertreiS 1 Steppes to Health: How the Climate-Kumys Cure Shaped a New Steppe Imaginary maya peterSoN FEATURED REVIEWS 8 Maria Todorova  ...  Dalibor Barić (Mihaela Mihailova) 77 206 Postwar Rebuilding and Resettlements in the Soviet Union: A Case of Azeri Migration kriSta goFF 97 online by Cambridge  ... 
doi:10.1017/slr.2022.83 fatcat:56jpllllxjdb7fjbpqousrld3y

SIELA 2020 Content

2020 2020 21st International Symposium on Electrical Apparatus & Technologies (SIELA)  
regimes and electrical quantities in autotransformer alternating voltage regulators Toncho PAPANCHEV A fuzzy control of Peltier-based thermal chamber for reliability tests Reneta PARVANOVA, Mariyana TODOROVA  ...  psophometric noise measurement in DC/DC converters Marin MARINOV, Dimitar NIKOLOV, Borislav GANEV, Todor DJAMIYKOV Smart multi sensor node for remote elevator condition monitoring Valentin MATEEV, Miglenna TODOROVA  ...  Application of laser build-up welding for repair of die casting molds Yanko SLAVTCHEV, Raina TZENEVA, Valentin MATEEV Coupled mechanical-electric analysis of hemi-spherical bodies in Hertzian contact Mihaela  ... 
doi:10.1109/siela49118.2020.9167164 fatcat:oz5cpxt6qrc6zepojxjvptwaii

Page 798 of Journal of Family Psychology Vol. 24, Issue 6 [page]

2010 Journal of Family Psychology  
Thome Wendy Tieman Irina Todorova Marina Tolou-Shams Wendy Troxel Khoa D. Truong Jeanne M. Tschann Adriana Umana-Taylor Jennifer B. Unger Marinus H. van IJzendoorn Hendrika Vande Kemp Alexander T.  ...  Ruvbins Mihaela Robila Ted Robles Kathleen M. Roche Christina Rodriguez Glenn I. Roisman John Rolland Emily Rosenbaum David Rosenfield Simon Rubin Ann Ryan Stephane Sabourin Catherine Salmon Ritch C.  ... 

Youth in late Communism: post-transitional Life Writing and Autobiographical Representations

Simona Mitroiu
2020 Cuadernos de Historia Contemporánea  
One who dressed up with this copy pants had a 70 Pârvulescu, Ioana (ed.): Şi eu am trăit…, p. 55. 71 Miroiu, Mihaela, Miclea, Mircea: R'Estul și …, p. 110. 72 Miroiu, Mihaela, Miclea, Mircea: R'Estul  ...  In many of her studies, Mihaela Miroiu critically assesses the Romanian communist propaganda of gender equality as being a hollow theoretical and ideological approach to the Romanian women's lives and  ... 
doi:10.5209/chco.71893 fatcat:35wutml6vzdfrpirkkok5e24xi

Trajectories of Child and Youth Well-Being: Editorial

Dilyana Keranova, Vladislava Lendzhova, Gabriela Neagu
2021 Problemi na postmodernostta  
Asya Asenova-Todorova in "Aspects of Communication Behavior: Medical Institutions and Public Interest" draws our attention to another aspect related to healthcare.  ...  In the context of the COVID-19 pandemic, Mihaela Racheva addresses the issue of "Media and Communication Strategies Supporting Parents and Children in the COVID-19 Pandemic Environment".  ... 
doi:10.46324/pmp2102109 fatcat:z7onmyzitbbljpjd3wqnnjkq2y

Changes and Challenges in Gender Stereotypes in Romanian TV Shows around the Moment of EU Accession

Maria-Sabina Draga Alexandru, Rodna Ruskovska
2007 Identities  
Maria Todorova, Imagining the Balkans (New York and Oxford: Oxford University Press), 14.5.Idem.  ...  In Romania, the TV-show business is dominated by three competing female hosts: Andreea Marin, Mihaela Radulescu and Teo Trandafir.  ... 
doi:10.51151/identities.v6i1.202 fatcat:akynuqeztndgljqzkveng5lkrm

Page 8072 of Mathematical Reviews Vol. , Issue 2003j [page]

2003 Mathematical Reviews  
Toader, R : Todea, Mihaela Todor, Radu .......... Todorcevic, Stevo Todorova, Grozdena 35221 MEETS ys ore Ace Sian smith ote Ne 16001 Tokareva, T.  ... 

Funkcionalni pristup prevođenju imena u dečijim knjigama Mihaela Endea

Nikolina Zobenica
2015 Filolog  
Treba se samo setiti Petra Pana, klasika Džejms Metju Barija, ili Beskrajne priče Mihaela Endea. ).  ...  Osim toga, prevodna književnost pokazuje mladima da ljudi, uprkos razlikama, dele ista iskustva i težnje, jer im daje uvid u srca, umove i duh predstavnika drugih kultura (Todorova 2010: 871-872).  ... 
doi:10.7251/fil1512126z fatcat:gtejropnf5ftznjzlpfhnvs534

Acknowledgement to Reviewers of Catalysts in 2019

Catalysts Editorial Office
2020 Catalysts  
Tischler, Dirk Tobaldi, David Maria Tobrman, Tomáš Todea, Anamaria Todorova, Nadia Tolkou, Athanasia Tolstoy, Peter M.  ...  Ferretti, Anna Maria Ferrieres, Vincent Filot, Ivo Finocchio, Elisabetta Fiorati, Andrea Fiorenza, Roberto Fischer, Peer Fishman, Ayelet Fleurat-Lessard, Paul Fliedel, Christophe Florea, Mihaela  ... 
doi:10.3390/catal10010129 fatcat:f3e4tawmijev7oka72vmyerhim
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