{"id":"https://openalex.org/W7225449976","doi":"https://doi.org/10.5281/zenodo.24033629","title":"K-Kernel Fit to the Real SPARC Galaxy NGC3198: Evidence Against Dark Matter","display_name":"K-Kernel Fit to the Real SPARC Galaxy NGC3198: Evidence Against Dark Matter","publication_year":2026,"publication_date":"2026-11-07","ids":{"openalex":"https://openalex.org/W7225449976","doi":"https://doi.org/10.5281/zenodo.24033629"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.24033629","doi":"https://doi.org/10.5281/zenodo.24033629","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033629","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.24033629","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5152735993","display_name":"MOHAMMED TAHAR SAIM","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"SAIM, MOHAMMED TAHAR","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5152735993"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.5640000104904175,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.5640000104904175,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.31619998812675476,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11090","display_name":"Dark Matter and Cosmic Phenomena","score":0.024000000208616257,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ngc-3198","display_name":"NGC 3198","score":0.9190000295639038},{"id":"https://openalex.org/keywords/sparc-galaxies","display_name":"SPARC galaxies","score":0.6600000262260437},{"id":"https://openalex.org/keywords/galaxy-rotation-curves","display_name":"galaxy rotation curves","score":0.781000018119812},{"id":"https://openalex.org/keywords/dark-matter","display_name":"dark matter","score":0.6039999723434448},{"id":"https://openalex.org/keywords/non-markovian-effects","display_name":"non-Markovian effects","score":0.9470000267028809},{"id":"https://openalex.org/keywords/mass-to-light-ratio","display_name":"mass-to-light ratio","score":0.8109999895095825},{"id":"https://openalex.org/keywords/modified-gravity","display_name":"modified gravity","score":0.3970000147819519},{"id":"https://openalex.org/keywords/flat-rotation-curves","display_name":"flat rotation curves","score":0.5389999747276306}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8133999705314636},{"id":"https://openalex.org/C206564472","wikidata":"https://www.wikidata.org/wiki/Q1475614","display_name":"Galaxy rotation curve","level":4,"score":0.7045999765396118},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.6927000284194946},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.6632999777793884},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.6326000094413757},{"id":"https://openalex.org/C111350023","wikidata":"https://www.wikidata.org/wiki/Q1191869","display_name":"Markov chain Monte Carlo","level":3,"score":0.6093999743461609},{"id":"https://openalex.org/C184665706","wikidata":"https://www.wikidata.org/wiki/Q186310","display_name":"Halo","level":3,"score":0.5986999869346619},{"id":"https://openalex.org/C88148261","wikidata":"https://www.wikidata.org/wiki/Q864952","display_name":"Dark matter halo","level":4,"score":0.582099974155426},{"id":"https://openalex.org/C68271606","wikidata":"https://www.wikidata.org/wiki/Q625648","display_name":"Photometry (optics)","level":3,"score":0.5702000260353088},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.4763999879360199},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.44620001316070557},{"id":"https://openalex.org/C48387981","wikidata":"https://www.wikidata.org/wiki/Q631379","display_name":"Galactic halo","level":4,"score":0.428600013256073},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.4000000059604645},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.3871000111103058},{"id":"https://openalex.org/C194286251","wikidata":"https://www.wikidata.org/wiki/Q5157302","display_name":"Computational astrophysics","level":2,"score":0.30219998955726624},{"id":"https://openalex.org/C56764","wikidata":"https://www.wikidata.org/wiki/Q2998314","display_name":"Observational cosmology","level":4,"score":0.2969000041484833},{"id":"https://openalex.org/C2776291640","wikidata":"https://www.wikidata.org/wiki/Q2912517","display_name":"Value (mathematics)","level":2,"score":0.2840000092983246},{"id":"https://openalex.org/C555520305","wikidata":"https://www.wikidata.org/wiki/Q321","display_name":"Milky Way","level":3,"score":0.2720000147819519},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.2696000039577484}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.24033629","doi":"https://doi.org/10.5281/zenodo.24033629","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033629","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},{"id":"doi:10.5281/zenodo.24033630","doi":"https://doi.org/10.5281/zenodo.24033630","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033630","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.5281/zenodo.24033629","doi":"https://doi.org/10.5281/zenodo.24033629","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24033629","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7225452586","https://openalex.org/W7163951158","https://openalex.org/W7118569003","https://openalex.org/W2048101337","https://openalex.org/W7117887678","https://openalex.org/W1750674672","https://openalex.org/W7204960442","https://openalex.org/W7204756104","https://openalex.org/W7211879215","https://openalex.org/W7119114326"],"abstract_inverted_index":{"This":[0,97],"paper":[1],"presents":[2],"a":[3,31,84],"direct":[4,99],"fit":[5,49],"of":[6,74,106,112],"the":[7,16,28,45,52,56,62,70,103,109],"non-Markovian":[8,104],"K-Kernel":[9,67],"model":[10,68],"to":[11,83],"real":[12],"observational":[13,100],"data":[14],"from":[15],"SPARC":[17],"(Spitzer":[18],"Photometry":[19],"and":[20,61],"Accurate":[21],"Rotation":[22],"Curves)":[23],"database.":[24],"Specifically,":[25],"we":[26,48],"analyze":[27],"galaxy":[29],"NGC3198,":[30],"classic":[32],"test":[33],"case":[34],"for":[35],"Dark":[36,92],"Matter.":[37],"Using":[38],"Markov":[39],"Chain":[40],"Monte":[41],"Carlo":[42],"(MCMC)":[43],"with":[44,76],"emcee":[46],"sampler,":[47],"three":[50],"parameters:":[51],"mass-to-light":[53],"ratio":[54,81],"(M/L),":[55],"memory":[57,63,105],"decay":[58],"rate":[59],"(lambda_k),":[60],"amplitude":[64],"(k_amp).":[65],"The":[66,79],"reproduces":[69],"flat":[71],"rotation":[72,114],"curve":[73],"NGC3198":[75],"high":[77],"accuracy.":[78],"M/L":[80],"converges":[82],"physically":[85],"realistic":[86],"value":[87],"(1.026),":[88],"confirming":[89],"that":[90,102],"no":[91],"Matter":[93],"halo":[94],"is":[95,108],"required.":[96],"provides":[98],"evidence":[101],"spacetime":[107],"true":[110],"cause":[111],"galactic":[113],"dynamics.":[115]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-11-08T00:00:00"}
