Publication Information

{'id': 'https://openalex.org/W2276473872', 'doi': None, 'title': 'Ovoids and spreads of finite classical generalized hexagons and applications', 'display_name': 'Ovoids and spreads of finite classical generalized hexagons and applications', 'publication_year': 2005, 'publication_date': '2005-01-01', 'ids': {'openalex': 'https://openalex.org/W2276473872', 'mag': '2276473872'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://cage.ugent.be/geometry/Theses/36/phd.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'dissertation', 'type_crossref': 'dissertation', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5112774736', 'display_name': 'A. De Wispelaere', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'An De Wispelaere', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5112774736'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': False, 'cited_by_count': 8, 'citation_normalized_percentile': {'value': 0.905756, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 80, 'max': 81}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11130', 'display_name': 'Coding theory and cryptography', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/1702', 'display_name': 'Artificial Intelligence'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11130', 'display_name': 'Coding theory and cryptography', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/1702', 'display_name': 'Artificial Intelligence'}, 'field': {'id': 'https://openalex.org/fields/17', 'display_name': 'Computer Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10849', 'display_name': 'Finite Group Theory Research', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/2607', 'display_name': 'Discrete Mathematics and Combinatorics'}, '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/T11797', 'display_name': 'graph theory and CDMA systems', 'score': 0.9975, 'subfield': {'id': 'https://openalex.org/subfields/2208', 'display_name': 'Electrical and Electronic Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/substructure', 'display_name': 'Substructure', 'score': 0.69205797}, {'id': 'https://openalex.org/keywords/line', 'display_name': 'Line (geometry)', 'score': 0.55061823}, {'id': 'https://openalex.org/keywords/matrix', 'display_name': 'Matrix (chemical analysis)', 'score': 0.46659327}], 'concepts': [{'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.7605838}, {'id': 'https://openalex.org/C64543145', 'wikidata': 'https://www.wikidata.org/wiki/Q162942', 'display_name': 'Intersection (aeronautics)', 'level': 2, 'score': 0.7067732}, {'id': 'https://openalex.org/C99679407', 'wikidata': 'https://www.wikidata.org/wiki/Q56761637', 'display_name': 'Substructure', 'level': 2, 'score': 0.69205797}, {'id': 'https://openalex.org/C158693339', 'wikidata': 'https://www.wikidata.org/wiki/Q190524', 'display_name': 'Eigenvalues and eigenvectors', 'level': 2, 'score': 0.6626939}, {'id': 'https://openalex.org/C114614502', 'wikidata': 'https://www.wikidata.org/wiki/Q76592', 'display_name': 'Combinatorics', 'level': 1, 'score': 0.6043444}, {'id': 'https://openalex.org/C198352243', 'wikidata': 'https://www.wikidata.org/wiki/Q37105', 'display_name': 'Line (geometry)', 'level': 2, 'score': 0.55061823}, {'id': 'https://openalex.org/C13355873', 'wikidata': 'https://www.wikidata.org/wiki/Q2920850', 'display_name': 'Connection (principal bundle)', 'level': 2, 'score': 0.4968727}, {'id': 'https://openalex.org/C2777212361', 'wikidata': 'https://www.wikidata.org/wiki/Q5127848', 'display_name': 'Class (philosophy)', 'level': 2, 'score': 0.47561818}, {'id': 'https://openalex.org/C106487976', 'wikidata': 'https://www.wikidata.org/wiki/Q685816', 'display_name': 'Matrix (chemical analysis)', 'level': 2, 'score': 0.46659327}, {'id': 'https://openalex.org/C182306322', 'wikidata': 'https://www.wikidata.org/wiki/Q1779371', 'display_name': 'Order (exchange)', 'level': 2, 'score': 0.45080748}, {'id': 'https://openalex.org/C28719098', 'wikidata': 'https://www.wikidata.org/wiki/Q44946', 'display_name': 'Point (geometry)', 'level': 2, 'score': 0.44878155}, {'id': 'https://openalex.org/C527412718', 'wikidata': 'https://www.wikidata.org/wiki/Q855395', 'display_name': 'Interpretation (philosophy)', 'level': 2, 'score': 0.43683273}, {'id': 'https://openalex.org/C118615104', 'wikidata': 'https://www.wikidata.org/wiki/Q121416', 'display_name': 'Discrete mathematics', 'level': 1, 'score': 0.3227984}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.2649467}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.087412536}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.076877445}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C66938386', 'wikidata': 'https://www.wikidata.org/wiki/Q633538', 'display_name': 'Structural engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C10138342', 'wikidata': 'https://www.wikidata.org/wiki/Q43015', 'display_name': 'Finance', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C159985019', 'wikidata': 'https://www.wikidata.org/wiki/Q181790', 'display_name': 'Composite material', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C146978453', 'wikidata': 'https://www.wikidata.org/wiki/Q3798668', 'display_name': 'Aerospace engineering', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://cage.ugent.be/geometry/Theses/36/phd.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.56, 'display_name': 'Sustainable cities and communities', 'id': 'https://metadata.un.org/sdg/11'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 53, 'referenced_works': ['https://openalex.org/W10907566', 'https://openalex.org/W12766527', 'https://openalex.org/W1481978496', 'https://openalex.org/W1515707356', 'https://openalex.org/W1583183878', 'https://openalex.org/W1607979118', 'https://openalex.org/W1770170746', 'https://openalex.org/W1966034161', 'https://openalex.org/W1973483608', 'https://openalex.org/W1977541663', 'https://openalex.org/W1982615436', 'https://openalex.org/W1983725539', 'https://openalex.org/W1991835468', 'https://openalex.org/W1998444738', 'https://openalex.org/W1998786288', 'https://openalex.org/W1999534475', 'https://openalex.org/W2004883115', 'https://openalex.org/W2005088126', 'https://openalex.org/W2006790608', 'https://openalex.org/W2008921145', 'https://openalex.org/W2024281210', 'https://openalex.org/W2024632082', 'https://openalex.org/W2025285791', 'https://openalex.org/W2026804814', 'https://openalex.org/W2027062106', 'https://openalex.org/W2028006509', 'https://openalex.org/W2040452405', 'https://openalex.org/W2044436118', 'https://openalex.org/W2045516271', 'https://openalex.org/W2049420159', 'https://openalex.org/W2054431352', 'https://openalex.org/W2055292307', 'https://openalex.org/W2055520477', 'https://openalex.org/W2062633962', 'https://openalex.org/W2062845605', 'https://openalex.org/W2066014761', 'https://openalex.org/W2088444430', 'https://openalex.org/W2108833850', 'https://openalex.org/W2124113125', 'https://openalex.org/W2142636032', 'https://openalex.org/W2147136308', 'https://openalex.org/W2148804139', 'https://openalex.org/W2165061061', 'https://openalex.org/W2181657868', 'https://openalex.org/W2241175309', 'https://openalex.org/W2334224849', 'https://openalex.org/W2346384713', 'https://openalex.org/W2724651813', 'https://openalex.org/W2912810145', 'https://openalex.org/W3189990552', 'https://openalex.org/W327519055', 'https://openalex.org/W604735231', 'https://openalex.org/W83877306'], 'related_works': ['https://openalex.org/W3120321928', 'https://openalex.org/W3101985489', 'https://openalex.org/W3098403304', 'https://openalex.org/W3009112364', 'https://openalex.org/W2963354512', 'https://openalex.org/W2951362241', 'https://openalex.org/W2950810583', 'https://openalex.org/W2783425288', 'https://openalex.org/W2296852250', 'https://openalex.org/W2165061061', 'https://openalex.org/W2143975039', 'https://openalex.org/W2085293966', 'https://openalex.org/W2047820446', 'https://openalex.org/W2025285791', 'https://openalex.org/W2019516084', 'https://openalex.org/W1994063505', 'https://openalex.org/W1983611734', 'https://openalex.org/W1978222555', 'https://openalex.org/W1971169284', 'https://openalex.org/W1583544302'], 'abstract_inverted_index': {'One': [0, 86], 'intuitively': [1], 'describes': [2], 'a': [3, 7, 78, 96, 122, 144, 149, 167, 229, 238, 242, 252, 283, 299, 336, 349], 'generalized': [4, 22, 84, 130, 332], 'hexagon': [5, 23], 'as': [6, 163, 282], 'point-line': [8], 'geometry': [9], 'full': [10], 'of': [11, 43, 50, 54, 59, 81, 87, 95, 100, 137, 154, 166, 175, 190, 217, 232, 236, 241, 248, 255, 260, 268, 272, 294, 331, 342, 346], 'ordinary': [12, 17], 'hexagons,': [13], 'but': [14], 'containing': [15], 'no': [16], 'n-gons': [18], 'for': [19, 186], 'n<6.': [20], 'A': [21, 157], 'has': [24, 90], 'order': [25, 82], '(s,t)': [26], 'if': [27], 'every': [28, 35], 'point': [29, 270], 'is': [30, 47, 63, 118, 290], 'on': [31, 125, 258, 275, 309], 't+1': [32], 'lines': [33], 'and': [34, 72, 113, 151, 170, 211, 251, 298, 315], 'line': [36], 'contains': [37, 313], 's+1': [38], 'points.': [39], 'The': [40], 'main': [41], 'result': [42], 'my': [44, 195], 'PhD': [45], 'Thesis': [46], 'the': [48, 93, 134, 155, 164, 171, 187, 191, 244, 276, 287, 291, 295, 306, 340, 343], 'construction': [49, 94, 240, 293], 'three': [51], 'new': [52, 97, 109, 114], 'examples': [53, 89, 247], 'distance-2': [55, 210], 'ovoids': [56, 213], '(a': [57, 214], 'set': [58, 216], 'non-collinear': [60], 'points': [61, 218, 311], 'that': [62, 173, 305], 'uniquely': [64], 'intersected': [65], 'by': [66, 265, 320, 322], 'any': [67], 'chosen': [68], 'line)': [69], 'in': [70, 104], 'H(3)': [71], 'H(4),': [73], 'where': [74], 'H(q)': [75], 'belongs': [76], 'to': [77, 92, 108, 179, 202, 339], 'special': [79], 'class': [80, 99], '(q,q)': [83], 'hexagons.': [85, 131], 'these': [88, 325], 'lead': [91], 'infinite': [98], 'two-character': [101], 'sets.': [102], 'These': [103], 'turn': [105], 'give': [106], 'rise': [107], 'strongly': [110], 'regular': [111, 158], 'graphs': [112], 'two-weight': [115], 'codes,': [116], 'which': [117], 'why': [119], 'I': [120, 197, 207], 'dedicate': [121, 335], 'whole': [123], 'chapter': [124, 338], 'codes': [126], 'arising': [127], 'from': [128], 'small': [129], 'By': [132], 'considering': [133], '(0,1)-vector': [135], 'space': [136], 'characteristic': [138], 'functions': [139], 'within': [140, 223], 'H(q),': [141], 'one': [142], 'obtains': [143], 'one-to-one': [145], 'correspondence': [146], 'between': [147], 'such': [148, 226], 'code': [150], 'some': [152, 199], 'substructure': [153, 159], 'hexagon.': [156], 'can': [160], 'be': [161, 180], 'viewed': [162], 'eigenvector': [165], 'certain': [168], '(0,1)-matrix': [169], 'fact': [172], 'eigenvectors': [174], 'distinct': [176], 'eigenvalues': [177], 'have': [178], 'orthogonal': [181], 'often': [182], 'yields': [183], 'exact': [184], 'values': [185], 'intersection': [188], 'number': [189], 'according': [192], 'substructures.': [193], 'In': [194], 'thesis': [196], 'reveal': [198], 'unexpected': [200], 'results': [201], 'this': [203, 261], 'particular': [204], 'technique.': [205], 'Furthermore': [206, 301], 'classify': [208], 'all': [209, 233], '-3': [212], 'maximal': [215, 221, 234], 'mutually': [219], 'at': [220], 'distance)': [222], 'H(3).': [224], 'As': [225, 324], 'we': [227, 302, 334], 'obtain': [228], 'geometrical': [230], 'interpretation': [231], 'subgroups': [235], 'G2(3),': [237], 'geometric': [239], 'GAB,': [243], 'first': [245], 'sporadic': [246], 'ovoid-spread': [249], 'pairings': [250], 'transitive': [253], '1-system': [254, 262], 'Q(6,3).': [256], 'Research': [257], 'derivations': [259], 'was': [263], 'followed': [264], 'an': [266], 'investigation': [267], 'common': [269], 'reguli': [271], 'different': [273], 'hexagons': [274], 'same': [277], 'Q(6,q),': [278], 'with': [279], 'nice': [280], 'applications': [281], 'result.': [284], 'Of': [285], 'these,': [286], 'most': [288], 'important': [289], 'alternative': [292], 'Holz': [296, 307, 326], 'design': [297, 308], 'subdesign.': [300], 'theoretically': [303], 'prove': [304], '28': [310], 'only': [312], 'Hermitian': [314], 'Ree': [316], 'unitals': [317], '(previously': [318], 'shown': [319], 'Tonchev': [321], 'computer).': [323], 'designs': [327], 'are': [328], 'one-point': [329], 'extensions': [330], 'quadrangles,': [333], 'final': [337], 'characterization': [341], 'affine': [344], 'extension': [345], 'H(2)': [347], 'using': [348], 'combinatorial': [350], 'property.': [351]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2276473872', 'counts_by_year': [{'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}], 'updated_date': '2024-12-09T11:01:19.467729', 'created_date': '2016-06-24'}