{"id":"https://openalex.org/W3092220399","doi":"https://doi.org/10.15439/2020f115","title":"An Optimization on Quadrature Formulas and Numerical Solutions of Ordinary Differential Equations","display_name":"An Optimization on Quadrature Formulas and Numerical Solutions of Ordinary Differential Equations","publication_year":2020,"publication_date":"2020-09-26","ids":{"openalex":"https://openalex.org/W3092220399","doi":"https://doi.org/10.15439/2020f115","mag":"3092220399"},"language":"en","primary_location":{"id":"doi:10.15439/2020f115","is_oa":true,"landing_page_url":"https://doi.org/10.15439/2020f115","pdf_url":"https://annals-csis.org/proceedings/2020/drp/pdf/115.pdf","source":{"id":"https://openalex.org/S4220651875","display_name":"Annals of Computer Science and Information Systems","issn_l":"2300-5963","issn":["2300-5963"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":"https://openalex.org/P4310317484","host_organization_name":"Polskie Towarzystwo Informatyczne","host_organization_lineage":["https://openalex.org/P4310317484"],"host_organization_lineage_names":["Polskie Towarzystwo Informatyczne"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Computer Science and Information Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://annals-csis.org/proceedings/2020/drp/pdf/115.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078762918","display_name":"Venelin Todorov","orcid":"https://orcid.org/0000-0001-7134-5901"},"institutions":[{"id":"https://openalex.org/I124938932","display_name":"University of Economics Varna","ror":"https://ror.org/03g67sb77","country_code":"BG","type":"education","lineage":["https://openalex.org/I124938932"]},{"id":"https://openalex.org/I170627324","display_name":"University of Forestry","ror":"https://ror.org/033t8gt11","country_code":"BG","type":"education","lineage":["https://openalex.org/I170627324"]},{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I4210105926","display_name":"Institute of Mathematics and Informatics","ror":"https://ror.org/01b5dy719","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"id":"https://openalex.org/I4210163063","display_name":"Institute of Information and Communication Technologies","ror":"https://ror.org/05fpsjc82","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210163063"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Venelin Todorov","raw_affiliation_strings":["Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"raw_affiliation_string":"University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","institution_ids":["https://openalex.org/I124938932"]},{"raw_affiliation_string":"Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","institution_ids":["https://openalex.org/I170627324"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003423551","display_name":"Yuri Dimitrov","orcid":"https://orcid.org/0000-0001-6707-9583"},"institutions":[{"id":"https://openalex.org/I124938932","display_name":"University of Economics Varna","ror":"https://ror.org/03g67sb77","country_code":"BG","type":"education","lineage":["https://openalex.org/I124938932"]},{"id":"https://openalex.org/I170627324","display_name":"University of Forestry","ror":"https://ror.org/033t8gt11","country_code":"BG","type":"education","lineage":["https://openalex.org/I170627324"]},{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I4210105926","display_name":"Institute of Mathematics and Informatics","ror":"https://ror.org/01b5dy719","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"id":"https://openalex.org/I4210163063","display_name":"Institute of Information and Communication Technologies","ror":"https://ror.org/05fpsjc82","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210163063"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Yuri Dimitrov","raw_affiliation_strings":["Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","institution_ids":["https://openalex.org/I170627324"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]},{"raw_affiliation_string":"University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","institution_ids":["https://openalex.org/I124938932"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I4210105926","https://openalex.org/I24768866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027631339","display_name":"Radan Miryanov","orcid":"https://orcid.org/0009-0005-1368-9358"},"institutions":[{"id":"https://openalex.org/I124938932","display_name":"University of Economics Varna","ror":"https://ror.org/03g67sb77","country_code":"BG","type":"education","lineage":["https://openalex.org/I124938932"]},{"id":"https://openalex.org/I170627324","display_name":"University of Forestry","ror":"https://ror.org/033t8gt11","country_code":"BG","type":"education","lineage":["https://openalex.org/I170627324"]},{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I4210105926","display_name":"Institute of Mathematics and Informatics","ror":"https://ror.org/01b5dy719","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"id":"https://openalex.org/I4210163063","display_name":"Institute of Information and Communication Technologies","ror":"https://ror.org/05fpsjc82","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210163063"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Radan Miryanov","raw_affiliation_strings":["University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","institution_ids":["https://openalex.org/I124938932"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","institution_ids":["https://openalex.org/I170627324"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052736928","display_name":"Ivan Dimov","orcid":"https://orcid.org/0000-0003-4198-5830"},"institutions":[{"id":"https://openalex.org/I124938932","display_name":"University of Economics Varna","ror":"https://ror.org/03g67sb77","country_code":"BG","type":"education","lineage":["https://openalex.org/I124938932"]},{"id":"https://openalex.org/I170627324","display_name":"University of Forestry","ror":"https://ror.org/033t8gt11","country_code":"BG","type":"education","lineage":["https://openalex.org/I170627324"]},{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I4210105926","display_name":"Institute of Mathematics and Informatics","ror":"https://ror.org/01b5dy719","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"id":"https://openalex.org/I4210163063","display_name":"Institute of Information and Communication Technologies","ror":"https://ror.org/05fpsjc82","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210163063"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Ivan Dimov","raw_affiliation_strings":["Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","institution_ids":["https://openalex.org/I170627324"]},{"raw_affiliation_string":"University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","institution_ids":["https://openalex.org/I124938932"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I4210105926","https://openalex.org/I24768866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013306341","display_name":"Stefka Fidanova","orcid":"https://orcid.org/0000-0002-8484-5849"},"institutions":[{"id":"https://openalex.org/I124938932","display_name":"University of Economics Varna","ror":"https://ror.org/03g67sb77","country_code":"BG","type":"education","lineage":["https://openalex.org/I124938932"]},{"id":"https://openalex.org/I170627324","display_name":"University of Forestry","ror":"https://ror.org/033t8gt11","country_code":"BG","type":"education","lineage":["https://openalex.org/I170627324"]},{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I4210105926","display_name":"Institute of Mathematics and Informatics","ror":"https://ror.org/01b5dy719","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"id":"https://openalex.org/I4210163063","display_name":"Institute of Information and Communication Technologies","ror":"https://ror.org/05fpsjc82","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210163063"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Stefka Fidanova","raw_affiliation_strings":["Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","institution_ids":["https://openalex.org/I170627324"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","institution_ids":["https://openalex.org/I124938932"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003822660","display_name":"Stoyan Poryazov","orcid":"https://orcid.org/0000-0002-1564-1551"},"institutions":[{"id":"https://openalex.org/I124938932","display_name":"University of Economics Varna","ror":"https://ror.org/03g67sb77","country_code":"BG","type":"education","lineage":["https://openalex.org/I124938932"]},{"id":"https://openalex.org/I170627324","display_name":"University of Forestry","ror":"https://ror.org/033t8gt11","country_code":"BG","type":"education","lineage":["https://openalex.org/I170627324"]},{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I4210105926","display_name":"Institute of Mathematics and Informatics","ror":"https://ror.org/01b5dy719","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"id":"https://openalex.org/I4210163063","display_name":"Institute of Information and Communication Technologies","ror":"https://ror.org/05fpsjc82","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210163063"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Stoyan Poryazov","raw_affiliation_strings":["Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Department of Mathematics and Physics University of Forestry Sofia 1756, Bulgaria","institution_ids":["https://openalex.org/I170627324"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics Sofia 1113, Bulgaria Bulgarian Academy of Sciences Institute of Information and Communication Technologies Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I4210105926","https://openalex.org/I24768866"]},{"raw_affiliation_string":"University of Economics Department of Statistics and Applied Mathematics 77 Knyaz Boris I Blvd., Varna 9002, Bulgaria","institution_ids":["https://openalex.org/I124938932"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Mathematics and Informatics ul. G. Bonchev 8, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210105926"]},{"raw_affiliation_string":"Bulgarian Academy of Sciences Institute of Information and Communication Technologies ul. G. Bonchev 25A, Sofia 1113, Bulgaria","institution_ids":["https://openalex.org/I4210163063","https://openalex.org/I24768866"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11235955,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"23","issue":null,"first_page":"13","last_page":"16"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10288","display_name":"Fractional Differential Equations Solutions","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10288","display_name":"Fractional Differential Equations Solutions","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11416","display_name":"Numerical methods for differential equations","score":0.9897000193595886,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12661","display_name":"Iterative Methods for Nonlinear Equations","score":0.9894999861717224,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/quadrature","display_name":"Quadrature (astronomy)","score":0.687950074672699},{"id":"https://openalex.org/keywords/ordinary-differential-equation","display_name":"Ordinary differential equation","score":0.55876225233078},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.5036424994468689},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4954444169998169},{"id":"https://openalex.org/keywords/nystr\u00f6m-method","display_name":"Nystr\u00f6m method","score":0.4915836751461029},{"id":"https://openalex.org/keywords/numerical-integration","display_name":"Numerical integration","score":0.4328477680683136},{"id":"https://openalex.org/keywords/differential-equation","display_name":"Differential equation","score":0.3980042338371277},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3949970006942749},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.33062946796417236},{"id":"https://openalex.org/keywords/integral-equation","display_name":"Integral equation","score":0.28704243898391724},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07036647200584412},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.04797530174255371}],"concepts":[{"id":"https://openalex.org/C62869609","wikidata":"https://www.wikidata.org/wiki/Q28137","display_name":"Quadrature (astronomy)","level":2,"score":0.687950074672699},{"id":"https://openalex.org/C51544822","wikidata":"https://www.wikidata.org/wiki/Q465274","display_name":"Ordinary differential equation","level":3,"score":0.55876225233078},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.5036424994468689},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4954444169998169},{"id":"https://openalex.org/C48265008","wikidata":"https://www.wikidata.org/wiki/Q7071295","display_name":"Nystr\u00f6m method","level":3,"score":0.4915836751461029},{"id":"https://openalex.org/C127349201","wikidata":"https://www.wikidata.org/wiki/Q753445","display_name":"Numerical integration","level":2,"score":0.4328477680683136},{"id":"https://openalex.org/C78045399","wikidata":"https://www.wikidata.org/wiki/Q11214","display_name":"Differential equation","level":2,"score":0.3980042338371277},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3949970006942749},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.33062946796417236},{"id":"https://openalex.org/C27016315","wikidata":"https://www.wikidata.org/wiki/Q580101","display_name":"Integral equation","level":2,"score":0.28704243898391724},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07036647200584412},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.04797530174255371}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.15439/2020f115","is_oa":true,"landing_page_url":"https://doi.org/10.15439/2020f115","pdf_url":"https://annals-csis.org/proceedings/2020/drp/pdf/115.pdf","source":{"id":"https://openalex.org/S4220651875","display_name":"Annals of Computer Science and Information Systems","issn_l":"2300-5963","issn":["2300-5963"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":"https://openalex.org/P4310317484","host_organization_name":"Polskie Towarzystwo Informatyczne","host_organization_lineage":["https://openalex.org/P4310317484"],"host_organization_lineage_names":["Polskie Towarzystwo Informatyczne"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Computer Science and Information Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:doaj.org/article:1b00d604be8a4c948c79b79d797fcad5","is_oa":false,"landing_page_url":"https://doaj.org/article/1b00d604be8a4c948c79b79d797fcad5","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Annals of computer science and information systems, Vol 23, Pp 13-16 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.15439/2020f115","is_oa":true,"landing_page_url":"https://doi.org/10.15439/2020f115","pdf_url":"https://annals-csis.org/proceedings/2020/drp/pdf/115.pdf","source":{"id":"https://openalex.org/S4220651875","display_name":"Annals of Computer Science and Information Systems","issn_l":"2300-5963","issn":["2300-5963"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":"https://openalex.org/P4310317484","host_organization_name":"Polskie Towarzystwo Informatyczne","host_organization_lineage":["https://openalex.org/P4310317484"],"host_organization_lineage_names":["Polskie Towarzystwo Informatyczne"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Computer Science and Information Systems","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3092220399.pdf","grobid_xml":"https://content.openalex.org/works/W3092220399.grobid-xml"},"referenced_works_count":11,"referenced_works":["https://openalex.org/W2034228208","https://openalex.org/W2041186897","https://openalex.org/W2062266804","https://openalex.org/W2069874880","https://openalex.org/W2082624758","https://openalex.org/W2911262279","https://openalex.org/W2963243266","https://openalex.org/W3048217222","https://openalex.org/W3105813679","https://openalex.org/W4394649828","https://openalex.org/W6864539611"],"related_works":["https://openalex.org/W1963845699","https://openalex.org/W2035232447","https://openalex.org/W4237740072","https://openalex.org/W2056088350","https://openalex.org/W2144321310","https://openalex.org/W2001419904","https://openalex.org/W1982234448","https://openalex.org/W2061461757","https://openalex.org/W2560252838","https://openalex.org/W2024733137"],"abstract_inverted_index":{"This":[0],"paper":[1,18,41],"is":[2],"a":[3],"continuation":[4],"of":[5,10,23,45,51],"the":[6,11,30,40,43,46],"discussion":[7],"on":[8],"optimization":[9],"quadrature":[12,31],"formulas":[13,32],"and":[14],"their":[15],"applications":[16],"in":[17,34,39],"[2].":[19],"Second-order":[20],"numerical":[21,36,49],"solutions":[22],"Volterra":[24],"integral":[25],"equations":[26],"are":[27],"constructed":[28],"using":[29],"obtained":[33],"The":[35],"results":[37],"presented":[38],"confirm":[42],"effectiveness":[44],"methods":[47],"for":[48],"solution":[50],"ordinary":[52],"differential":[53],"equations.":[54]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
