{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T07:20:43Z","timestamp":1740122443055,"version":"3.37.3"},"reference-count":65,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,6,30]],"date-time":"2021-06-30T00:00:00Z","timestamp":1625011200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2021,6,30]],"date-time":"2021-06-30T00:00:00Z","timestamp":1625011200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"funder":[{"DOI":"10.13039\/501100003134","name":"Fonds pour la Formation \u00e0 la Recherche dans l\u2019Industrie et dans l\u2019Agriculture","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003134","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002910","name":"F\u00e9d\u00e9ration Wallonie-Bruxelles","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002910","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Appl Categor Struct"],"published-print":{"date-parts":[[2022,2]]},"DOI":"10.1007\/s10485-021-09651-z","type":"journal-article","created":{"date-parts":[[2021,6,30]],"date-time":"2021-06-30T01:03:01Z","timestamp":1625014981000},"page":"81-122","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Higher Coverings of Racks and Quandles\u2014Part II"],"prefix":"10.1007","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9840-0106","authenticated-orcid":false,"given":"Fara","family":"Renaud","sequence":"first","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2021,6,30]]},"reference":[{"key":"9651_CR1","doi-asserted-by":"crossref","unstructured":"Barr, M.: Exact categories, Lecture Notes in Math. (Berlin, Heidelberg), Exact Categories and Categories of Sheaves, vol. 236, Springer, (1971), pp.\u00a01\u2013120","DOI":"10.1007\/BFb0058580"},{"key":"9651_CR2","doi-asserted-by":"crossref","unstructured":"Bertram, W.: Differential geometry, Lie groups and symmetric spaces over general base fields and rings, Memoirs of the Amer. Math. Soc., vol. 900, AMS, Providence, R.I., (2008)","DOI":"10.1090\/memo\/0900"},{"key":"9651_CR3","doi-asserted-by":"crossref","unstructured":"Bonatto, M., Stanovsk$$\\acute{y}$$, D.: Commutator theory for racks and quandles, J. Math. Soc. Japan 73 (2021), no.\u00a01, 41\u201375","DOI":"10.2969\/jmsj\/83168316"},{"key":"9651_CR4","doi-asserted-by":"crossref","unstructured":"Borceux, F., Bourn, D.: Mal\u2019cev, protomodular, homological and semi-abelian categories, Math. Appl., vol. 566, Kluwer Acad. Publ., (2004)","DOI":"10.1007\/978-1-4020-1962-3"},{"key":"9651_CR5","unstructured":"Borceux, F., Janelidze, G.: Galois theories, Cambridge Stud. Adv. Math., Vol. 72, Cambridge University Press, (1994)"},{"key":"9651_CR6","doi-asserted-by":"publisher","first-page":"113","DOI":"10.1016\/S0022-4049(02)00143-3","volume":"177","author":"D Bourn","year":"2003","unstructured":"Bourn, D.: The denormalized $$3\\times 3$$ lemma. J. Pure Appl. Algebra 177, 113\u2013129 (2003)","journal-title":"J. Pure Appl. Algebra"},{"key":"9651_CR7","doi-asserted-by":"crossref","unstructured":"Bourn, D.: A structural aspect of the category of quandles, J.\u00a0Knot Theory Ramifications 24 (2015), no.\u00a012, 1550060","DOI":"10.1142\/S0218216515500601"},{"issue":"1","key":"9651_CR8","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1007\/s00012-020-00688-0","volume":"82","author":"D Bourn","year":"2020","unstructured":"Bourn, D.: Split epimorphisms as a productive tool in Universal Algebra. Algebra Universalis 82(1), 1\u201323 (2020)","journal-title":"Algebra Universalis"},{"key":"9651_CR9","doi-asserted-by":"crossref","unstructured":"Bourn, D., Gran, M.: Regular, protomodular, and abelian categories, Categorical Foundations: Special Topics in Order, Topology, Algebra and Sheaf Theory (M.\u00a0C. Pedicchio and W.\u00a0Tholen, eds.), Encyclopedia of Math. Appl., vol.\u00a097, Cambridge Univ. Press, (2004), pp.\u00a0165\u2013211","DOI":"10.1017\/CBO9781107340985.007"},{"key":"9651_CR10","doi-asserted-by":"crossref","unstructured":"Bourn, D., Montoli, A.: The $${3 \\times 3}$$ lemma in the $${\\Sigma }$$-Maltsev and $${\\Sigma }$$-protomodular settings. Applications to monoids and quandles, Homology, Homotopy and Applications 21(2), 305\u2013332 (2018)","DOI":"10.4310\/HHA.2019.v21.n2.a17"},{"key":"9651_CR11","doi-asserted-by":"crossref","unstructured":"Brieskorn, E.: Automorphic sets and braids and singularities, Braids (Providence, RI), Contemporary Mathematics, vol.\u00a078, Amer. Math. Soc., (1988), pp.\u00a045\u2013115","DOI":"10.1090\/conm\/078\/975077"},{"issue":"2","key":"9651_CR12","doi-asserted-by":"publisher","first-page":"124","DOI":"10.1112\/blms\/20.2.124","volume":"20","author":"R Brown","year":"1988","unstructured":"Brown, R., Ellis, G.: Hopf formulae for the higher homology of a group. Bull. Lond. Math. Soc. 20(2), 124\u2013128 (1988)","journal-title":"Bull. Lond. Math. Soc."},{"issue":"1","key":"9651_CR13","doi-asserted-by":"publisher","first-page":"63","DOI":"10.1023\/B:APCS.0000013811.15727.1a","volume":"12","author":"R Brown","year":"2004","unstructured":"Brown, R., Janelidze, G.: Galois theory and a new homotopy double groupoid of a map of spaces. Appl. Categ. Struct. 12(1), 63\u201380 (2004)","journal-title":"Appl. Categ. Struct."},{"key":"9651_CR14","doi-asserted-by":"publisher","first-page":"385","DOI":"10.1007\/BF00872942","volume":"1","author":"A Carboni","year":"1993","unstructured":"Carboni, A., Kelly, G.M., Pedicchio, M.C.: Some remarks on Maltsev and Goursat categories. Appl. Categ. Struct. 1, 385\u2013421 (1993)","journal-title":"Appl. Categ. Struct."},{"issue":"3","key":"9651_CR15","doi-asserted-by":"publisher","first-page":"271","DOI":"10.1016\/0022-4049(91)90022-T","volume":"69","author":"A Carboni","year":"1991","unstructured":"Carboni, A., Lambek, J., Pedicchio, M.C.: Diagram chasing in Mal\u2019cev categories. J. Pure Appl. Algebra 69(3), 271\u2013284 (1991)","journal-title":"J. Pure Appl. Algebra"},{"key":"9651_CR16","unstructured":"Carboni, A., Pedicchio, M.C., Pirovano, N.: Internal graphs and internal groupoids in Mal\u2019cev categories, pp. 97\u2013109. Providence, Am. Math. Soc. for the Canad. Math. Soc. (1992)"},{"issue":"10","key":"9651_CR17","doi-asserted-by":"publisher","first-page":"3947","DOI":"10.1090\/S0002-9947-03-03046-0","volume":"355","author":"JS Carter","year":"2003","unstructured":"Carter, J.S., Jelsovsky, D., Kamada, S., Langford, L., Saito, M.: Quandle cohomology and state-sum invariants of knotted curves and surfaces. Trans. Amer. Math. Soc. 355(10), 3947\u20133989 (2003)","journal-title":"Trans. Amer. Math. Soc."},{"issue":"03","key":"9651_CR18","doi-asserted-by":"publisher","first-page":"345","DOI":"10.1142\/S0218216501000901","volume":"10","author":"JS Carter","year":"2001","unstructured":"Carter, J.S., Kamada, S., Saito, M.: Geometric interpretations of quandle homology. J. Knot Theory Ramif. 10(03), 345\u2013386 (2001)","journal-title":"J. Knot Theory Ramif."},{"key":"9651_CR19","doi-asserted-by":"crossref","unstructured":"Drinfeld, V.\u00a0G.: On some unsolved problems in quantum group theory, Quantum Groups (Berlin, Heidelberg) (Petr\u00a0P. Kulish, ed.), Springer Berlin Heidelberg, (1992), pp.\u00a01\u20138","DOI":"10.1007\/BFb0101175"},{"issue":"8\u20139","key":"9651_CR20","doi-asserted-by":"publisher","first-page":"1837","DOI":"10.1016\/j.jpaa.2012.02.022","volume":"216","author":"M Duckerts","year":"2012","unstructured":"Duckerts, M., Everaert, T., Gran, M.: A description of the fundamental group in terms of commutators and closure operators. J. Pure Appl. Algebra 216(8\u20139), 1837\u20131851 (2012)","journal-title":"J. Pure Appl. Algebra"},{"key":"9651_CR21","doi-asserted-by":"crossref","unstructured":"Duckerts-Antoine, M., Even, V., Montoli, A.: How to centralize and normalize quandle extensions, J.\u00a0Knot Theory Ramifications 27 (2018), no.\u00a002, 1850020","DOI":"10.1142\/S0218216518500207"},{"issue":"1","key":"9651_CR22","doi-asserted-by":"publisher","first-page":"103","DOI":"10.4064\/fm225-1-7","volume":"225","author":"M Eisermann","year":"2014","unstructured":"Eisermann, M.: Quandle coverings and their Galois correspondence. Fund. Math. 225(1), 103\u2013168 (2014)","journal-title":"Fund. Math."},{"issue":"5","key":"9651_CR23","doi-asserted-by":"publisher","first-page":"817","DOI":"10.1007\/s10485-013-9350-7","volume":"22","author":"V Even","year":"2014","unstructured":"Even, V.: A Galois-theoretic approach to the covering theory of quandles. Appl. Categ. Struct. 22(5), 817\u2013831 (2014)","journal-title":"Appl. Categ. Struct."},{"key":"9651_CR24","doi-asserted-by":"crossref","unstructured":"Even, V., Gran, M.: On factorization systems for surjective quandle homomorphisms, J.\u00a0Knot Theory Ramifications 23 (2014), no.\u00a011, 1450060","DOI":"10.1142\/S0218216514500606"},{"key":"9651_CR25","doi-asserted-by":"publisher","first-page":"237","DOI":"10.1016\/j.topol.2015.12.021","volume":"200","author":"V Even","year":"2016","unstructured":"Even, V., Gran, M.: Closure operators in the category of quandles. Topology Appl. 200, 237\u2013250 (2016)","journal-title":"Topology Appl."},{"key":"9651_CR26","first-page":"201","volume":"31","author":"V Even","year":"2016","unstructured":"Even, V., Gran, M., Montoli, A.: A characterization of central extensions in the variety of quandles. Theory Appl. Categ. 31, 201\u2013216 (2016)","journal-title":"Theory Appl. Categ."},{"issue":"1","key":"9651_CR27","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1016\/j.jpaa.2006.05.011","volume":"210","author":"T Everaert","year":"2007","unstructured":"Everaert, T.: Relative commutator theory in varieties of $$\\Omega $$-groups. J. Pure Appl. Algebra 210(1), 1\u201310 (2007)","journal-title":"J. Pure Appl. Algebra"},{"issue":"8","key":"9651_CR28","doi-asserted-by":"publisher","first-page":"1771","DOI":"10.1016\/j.jalgebra.2008.12.015","volume":"324","author":"T Everaert","year":"2010","unstructured":"Everaert, T.: Higher central extensions and Hopf formulae. J. Algebra 324(8), 1771\u20131789 (2010)","journal-title":"J. Algebra"},{"issue":"8","key":"9651_CR29","doi-asserted-by":"publisher","first-page":"1896","DOI":"10.1016\/j.jpaa.2012.02.027","volume":"216","author":"T Everaert","year":"2012","unstructured":"Everaert, T.: Effective descent morphisms of regular epimorphisms. J. Pure Appl. Algebra 216(8), 1896\u20131904 (2012)","journal-title":"J. Pure Appl. Algebra"},{"key":"9651_CR30","doi-asserted-by":"publisher","first-page":"961","DOI":"10.1007\/s10485-013-9351-6","volume":"22","author":"T Everaert","year":"2014","unstructured":"Everaert, T.: Higher central extensions in Mal\u2019tsev categories. Appl. Categ. Struct. 22, 961\u2013979 (2014)","journal-title":"Appl. Categ. Struct."},{"key":"9651_CR31","doi-asserted-by":"publisher","first-page":"132","DOI":"10.1016\/j.jalgebra.2012.07.036","volume":"371","author":"T Everaert","year":"2012","unstructured":"Everaert, T., Goedecke, J., Van der Linden, T.: Resolutions, higher extensions and the relative Mal\u2019tsev axiom. J. Algebra 371, 132\u2013155 (2012)","journal-title":"J. Algebra"},{"issue":"5","key":"9651_CR32","doi-asserted-by":"publisher","first-page":"2231","DOI":"10.1016\/j.aim.2007.11.001","volume":"217","author":"T Everaert","year":"2008","unstructured":"Everaert, T., Gran, M., Van der Linden, T.: Higher Hopf formulae for homology via Galois theory. Adv. Math. 217(5), 2231\u20132267 (2008)","journal-title":"Adv. Math."},{"issue":"2","key":"9651_CR33","doi-asserted-by":"publisher","first-page":"161","DOI":"10.1007\/s00012-011-0121-8","volume":"65","author":"T Everaert","year":"2011","unstructured":"Everaert, T., Van der Linden, T.: Galois theory and commutators. Algebra Universalis 65(2), 161\u2013177 (2011)","journal-title":"Algebra Universalis"},{"issue":"8\u20139","key":"9651_CR34","doi-asserted-by":"publisher","first-page":"1791","DOI":"10.1016\/j.jpaa.2012.02.018","volume":"216","author":"T Everaert","year":"2012","unstructured":"Everaert, T., Van der Linden, T.: Relative commutator theory in semi-abelian categories. J. Pure Appl. Algebra 216(8\u20139), 1791\u20131806 (2012)","journal-title":"J. Pure Appl. Algebra"},{"issue":"4","key":"9651_CR35","doi-asserted-by":"publisher","first-page":"343","DOI":"10.1142\/S0218216592000203","volume":"1","author":"R Fenn","year":"1992","unstructured":"Fenn, R., Rourke, C.: Racks and links in codimension two. J. Knot Theory Ramif. 1(4), 343\u2013406 (1992)","journal-title":"J. Knot Theory Ramif."},{"issue":"4","key":"9651_CR36","doi-asserted-by":"publisher","first-page":"321","DOI":"10.1007\/BF00872903","volume":"3","author":"R Fenn","year":"1995","unstructured":"Fenn, R., Rourke, C., Sanderson, B.: Trunks and classifying spaces. Appl. Categ. Struct. 3(4), 321\u2013356 (1995)","journal-title":"Appl. Categ. Struct."},{"key":"9651_CR37","unstructured":"Freese, R., Mckenzie, R.: Commutator theory for congruence modular varieties, Lond. Math. Soc. Lecture Note Ser., vol. 125, Cambridge Univ. Press, (1987)"},{"issue":"1","key":"9651_CR38","doi-asserted-by":"publisher","first-page":"283","DOI":"10.4310\/HHA.2004.v6.n1.a16","volume":"6","author":"M Gran","year":"2004","unstructured":"Gran, M., Rossi, V.: Galois theory and double central extensions. Homol. Homot. Appl. 6(1), 283\u2013298 (2004)","journal-title":"Homol. Homot. Appl."},{"key":"9651_CR39","unstructured":"Hatcher, A.: Algebraic topology. Cambridge University Press, (2001)"},{"key":"9651_CR40","volume-title":"Differential geometry, Lie groups, and symmetric spaces, Graduate studies in mathematics","author":"S Helgason","year":"2012","unstructured":"Helgason, S.: Differential geometry, Lie groups, and symmetric spaces, Graduate studies in mathematics, vol. 34. Amer. Math. Soc, Providence, RI (2012)"},{"issue":"1","key":"9651_CR41","first-page":"1","volume":"23","author":"GB Im","year":"1986","unstructured":"Im, G.B., Kelly, G.M.: On classes of morphisms closed under limits. J. Korean Math. Soc. 23(1), 1\u201318 (1986)","journal-title":"J. Korean Math. Soc."},{"issue":"2","key":"9651_CR42","doi-asserted-by":"publisher","first-page":"270","DOI":"10.1016\/0021-8693(90)90130-G","volume":"132","author":"G Janelidze","year":"1990","unstructured":"Janelidze, G.: Pure Galois theory in categories. J. Algebra 132(2), 270\u2013286 (1990)","journal-title":"J. Algebra"},{"key":"9651_CR43","doi-asserted-by":"crossref","unstructured":"Janelidze, G.: Precategories and Galois theory, Category Theory, Proceedings Como 1990 (A.\u00a0Carboni, M.\u00a0C. Pedicchio, and G.\u00a0Rosolini, eds.), Lecture Notes in Math., vol. 1488, Springer, (1991), pp.\u00a0157\u2013173","DOI":"10.1007\/BFb0084218"},{"key":"9651_CR44","unstructured":"Janelidze, G.: What is a double central extension ? (the question was asked by Ronald Brown), Cah. de Top. et G\u00e9om. Diff. Cat. 32 (1991), no.\u00a03, 191\u2013201"},{"key":"9651_CR45","doi-asserted-by":"publisher","first-page":"653","DOI":"10.1007\/s10485-007-9107-2","volume":"16","author":"G Janelidze","year":"2008","unstructured":"Janelidze, G.: Galois groups, abstract commutators, and Hopf formula. Appl. Categ. Struct. 16, 653\u2013668 (2008)","journal-title":"Appl. Categ. Struct."},{"issue":"1","key":"9651_CR46","first-page":"1","volume":"5","author":"G Janelidze","year":"2016","unstructured":"Janelidze, G.: A history of selected topics in categorical algebra I: From Galois theory to abstract commutators and internal groupoids. Categories General Algebraic Struct. Appl. 5(1), 1\u201354 (2016)","journal-title":"Categories General Algebraic Struct. Appl."},{"issue":"2","key":"9651_CR47","doi-asserted-by":"publisher","first-page":"135","DOI":"10.1016\/0022-4049(94)90057-4","volume":"97","author":"G Janelidze","year":"1994","unstructured":"Janelidze, G., Kelly, G.M.: Galois theory and a general notion of central extension. J. Pure Appl. Algebra 97(2), 135\u2013161 (1994)","journal-title":"J. Pure Appl. Algebra"},{"issue":"2\u20133","key":"9651_CR48","doi-asserted-by":"publisher","first-page":"367","DOI":"10.1016\/S0022-4049(01)00103-7","volume":"168","author":"G Janelidze","year":"2002","unstructured":"Janelidze, G., M\u00e1rki, L., Tholen, W.: Semi-abelian categories. J. Pure Appl. Algebra 168(2\u20133), 367\u2013386 (2002)","journal-title":"J. Pure Appl. Algebra"},{"issue":"15","key":"9651_CR49","first-page":"408","volume":"8","author":"G Janelidze","year":"2001","unstructured":"Janelidze, G., Pedicchio, M.C.: Pseudogroupoids and commutators. Theory Appl. Categ. 8(15), 408\u2013456 (2001)","journal-title":"Theory Appl. Categ."},{"key":"9651_CR50","doi-asserted-by":"crossref","unstructured":"Janelidze, G., Sobral, M.: Finite preorders and topological descent I. Special volume celebrating the 70th birthday of professor Max Kelly., J.\u00a0Pure Appl. Algebra 175 (2002), no.\u00a01-3, 187\u2013205","DOI":"10.1016\/S0022-4049(02)00134-2"},{"key":"9651_CR51","doi-asserted-by":"publisher","first-page":"271","DOI":"10.1007\/s10485-009-9199-y","volume":"19","author":"G Janelidze","year":"2011","unstructured":"Janelidze, G., Sobral, M.: Descent for regular epimorphisms in Barr exact Goursat categories. Appl. Categ. Struct. 19, 271\u2013276 (2011)","journal-title":"Appl. Categ. Struct."},{"key":"9651_CR52","doi-asserted-by":"crossref","unstructured":"Janelidze, G., Sobral, M., Tholen, W.: Beyond Barr exactness: Effective descent morphisms, Categorical Foundations: Special Topics in Order, Topology, Algebra and Sheaf Theory (M.\u00a0C. Pedicchio and W.\u00a0Tholen, eds.), Encyclopedia of Math. Appl., vol.\u00a097, Cambridge Univ. Press, (2004), pp.\u00a0359\u2013405","DOI":"10.1017\/CBO9781107340985.011"},{"issue":"3","key":"9651_CR53","doi-asserted-by":"publisher","first-page":"245","DOI":"10.1007\/BF00878100","volume":"2","author":"G Janelidze","year":"1994","unstructured":"Janelidze, G., Tholen, W.: Facets of descent, I. Appl. Categ. Struct. 2(3), 245\u2013281 (1994)","journal-title":"Appl. Categ. Struct."},{"key":"9651_CR54","doi-asserted-by":"publisher","first-page":"229","DOI":"10.1023\/A:1008697013769","volume":"5","author":"G Janelidze","year":"1997","unstructured":"Janelidze, G., Tholen, W.: Facets of descent, II. Appl. Categ. Struct. 5, 229\u2013248 (1997)","journal-title":"Appl. Categ. Struct."},{"key":"9651_CR55","unstructured":"Joyce, D.: An algebraic approach to symmetry and applications in knot theory, Ph.D. thesis, University of Pennsylvenia, (1979)"},{"issue":"1","key":"9651_CR56","doi-asserted-by":"publisher","first-page":"37","DOI":"10.1016\/0022-4049(82)90077-9","volume":"23","author":"D Joyce","year":"1982","unstructured":"Joyce, D.: A classifying invariant of knots, the knot quandle. J. Pure Appl. Algebra 23(1), 37\u201365 (1982)","journal-title":"J. Pure Appl. Algebra"},{"key":"9651_CR57","volume-title":"Knots Phys.","author":"LH Kauffman","year":"2012","unstructured":"Kauffman, L.H.: Knots Phys., 4th edn. World Scientific Publishing Company, Series On Knots And Everything (2012)","edition":"4"},{"key":"9651_CR58","unstructured":"Loos, O.: Symmetric spaces: General theory, Math. Lecture Note Ser., W. A. Benjamin, (1969)"},{"key":"9651_CR59","unstructured":"Loregian, F.: Rosen\u2019s no-go theorem for regular categories, (2020), Preprint https:\/\/arxiv.org\/abs\/2012.11648"},{"key":"9651_CR60","volume-title":"Mac: Categories for the working mathematician","author":"S Lane","year":"1997","unstructured":"Lane, S.: Mac: Categories for the working mathematician, 2nd edn. Springer, Chicago (1997)","edition":"2"},{"key":"9651_CR61","unstructured":"Renaud, F.: Higher coverings of racks and quandles - Part I, (2020), Preprint https:\/\/arxiv.org\/abs\/2007.03385"},{"key":"9651_CR62","doi-asserted-by":"crossref","unstructured":"Renaud, F.: Double coverings of racks and quandles, Ph.D. thesis, Universit\u00e9 catholique de Louvain, (2021)","DOI":"10.1007\/s10485-021-09651-z"},{"key":"9651_CR63","unstructured":"Renaud, F.: Re-writing the elements in the intersection of the kernels of two morphisms between free groups, (2021), Preprint https:\/\/arxiv.org\/abs\/2103.04793"},{"key":"9651_CR64","doi-asserted-by":"crossref","unstructured":"Smith, J.\u00a0D.\u00a0H.: Mal\u2019cev varieties, Lecture Notes in Math., vol. 554, Springer, (1976)","DOI":"10.1007\/BFb0095447"},{"key":"9651_CR65","unstructured":"Takasaki, M.: Abstraction of symmetric transformations, Tohoku Math. J., First Series 49 (1943), 145\u2013207"}],"container-title":["Applied Categorical Structures"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10485-021-09651-z.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s10485-021-09651-z\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10485-021-09651-z.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,6,20]],"date-time":"2022-06-20T07:37:31Z","timestamp":1655710651000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s10485-021-09651-z"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,6,30]]},"references-count":65,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2022,2]]}},"alternative-id":["9651"],"URL":"https:\/\/doi.org\/10.1007\/s10485-021-09651-z","relation":{},"ISSN":["0927-2852","1572-9095"],"issn-type":[{"type":"print","value":"0927-2852"},{"type":"electronic","value":"1572-9095"}],"subject":[],"published":{"date-parts":[[2021,6,30]]},"assertion":[{"value":"2 February 2021","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"11 June 2021","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"30 June 2021","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}}]}}