Edit Profile (opens in new tab) Oort, Frans Compute Distance To: Compute Author ID: oort.frans Published as: Oort, Frans; Oort, F. Further Spellings: Оорт Франс Homepage: https://webspace.science.uu.nl/~oort0109/ External Links: MGP · Wikidata · Math-Net.Ru · dblp · GND · IdRef · theses.fr Documents Indexed: 130 Publications since 1961, including 6 Books 11 Contributions as Editor · 2 Further Contributions Reviewing Activity: 13 Reviews Biographic References: 1 Publication Co-Authors: 46 Co-Authors with 61 Joint Publications 1,525 Co-Co-Authors all top 5 Co-Authors 80 single-authored 13 Chai, Chingli 4 Katsura, Toshiyuki 3 de Jong, Aise Johan 3 Lenstra, Hendrik W. jun. 3 Sekiguchi, Tsutomu 3 Van der Geer, Gerard 3 Zarkhin, Yuriĭ Gennad’evich 2 Abramovich, Dan 2 Conrad, Brian 2 Cornelissen, Gunther 2 Ji, Lizhen 2 Moonen, Ben 2 Oda, Tadao 2 Pries, Rachel J. 2 Steenbrink, Joseph H. M. 2 Tate, John Torrence jun. 2 Yau, Shing-Tung 1 Achter, Jeff 1 Andreatta, Fabrizio 1 Bary-Soroker, Lior 1 Beukers, Frits 1 Bhatt, Bhargav 1 Boland, Johan Christoph 1 Bos, Henk J. M. 1 Cassou-Noguès, Philippe 1 Chinburg, Ted 1 Edixhoven, S. J. 1 Esnault, Hélène 1 Faber, Carel Filip 1 Glass, Darren B. 1 Goren, Eyal Z. 1 Gross, Benedict Hyman 1 Harashita, Shushi 1 Harbater, David 1 Hauser, Herwig 1 Hogendijk, Jan Pieter 1 Ibukiyama, Tomoyoshi 1 Kers, C. 1 Lehr, Claus-Michael 1 Li, Kezheng 1 Lipman, Joseph 1 Luca, Florian 1 Matignon, Michel 1 Matsumura, Hideyuki 1 Morin, Baptiste 1 Mumford, David Bryant 1 Norman, Peter 1 Peters, Christiaan Anthonius Maria 1 Quirós Gracián, Adolfo 1 Raven, D. W. 1 Schappacher, Norbert 1 Shiho, Atsushi 1 Strooker, Jan Rustom 1 Suwa, Noriyuki 1 Taylor, Martin J. 1 Tsimerman, Jacob 1 Ueno, Kenji 1 Van der Blij, Frederik 1 van der Put, Marius 1 van Geemen, Bert 1 van Rossum, Herman 1 Yu, Chia-Fu 1 Zieve, Michael E. 1 Zink, Thomas all top 5 Serials 14 Nieuw Archief voor Wiskunde. Vijfde Serie 8 Nederlandse Akademie van Wetenschappen. Proceedings. Series A. Indagationes Mathematicae 6 Mathematische Annalen 5 Annals of Mathematics. Second Series 4 Compositio Mathematica 4 Inventiones Mathematicae 4 Journal of Pure and Applied Algebra 3 Journal of Algebraic Geometry 3 Progress in Mathematics 3 Advanced Lectures in Mathematics (ALM) 3 ICCM Notices 2 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 2 Journal of the American Mathematical Society 2 Expositiones Mathematicae 2 Nieuw Archief voor Wiskunde. Vierde Serie 2 Pure and Applied Mathematics Quarterly 2 Lecture Notes in Mathematics 1 American Mathematical Monthly 1 Mitteilungen der Deutschen Mathematiker-Vereinigung (DMV) 1 Advances in Mathematics 1 Bulletin de la Société Mathématique de France 1 Indagationes Mathematicae 1 Journal of Algebra 1 Journal of the Faculty of Science. Section I A 1 Journal of the Mathematical Society of Japan 1 Manuscripta Mathematica 1 Nagoya Mathematical Journal 1 Rendiconti del Seminario Matematico della Università di Padova 1 Bulletin of the American Mathematical Society. New Series 1 Comptes Rendus de l’Académie des Sciences. Série I 1 Notices of the American Mathematical Society 1 Indagationes Mathematicae. New Series 1 Journal of Mathematical Sciences (New York) 1 Bulletin des Sciences Mathématiques 1 Documenta Mathematica 1 Taiwanese Journal of Mathematics 1 Proceedings of the Cambridge Philosophical Society 1 Epsilon Uitgaven 1 Mathematical Surveys and Monographs 1 Algebraic Geometry all top 5 Fields 110 Algebraic geometry (14-XX) 35 Number theory (11-XX) 22 General and overarching topics; collections (00-XX) 18 History and biography (01-XX) 6 Several complex variables and analytic spaces (32-XX) 3 Commutative algebra (13-XX) 3 Associative rings and algebras (16-XX) 2 Group theory and generalizations (20-XX) 2 Functions of a complex variable (30-XX) 1 Field theory and polynomials (12-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Category theory; homological algebra (18-XX) 1 Real functions (26-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Geometry (51-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Mechanics of particles and systems (70-XX) 1 Fluid mechanics (76-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 94 Publications have been cited 1,329 times in 852 Documents Cited by ▼ Year ▼ Group schemes of prime order. Zbl 0195.50801Tate, John; Oort, Frans 119 1970 Commutative group schemes. Zbl 0216.05603Oort, F. 75 1966 Moduli of supersingular abelian varieties. Zbl 0920.14021Li, Ke-Zheng; Oort, Frans 54 1998 Poncelet’s closure theorem. Zbl 0633.51014Bos, H. J. M.; Kers, C.; Oort, F.; Raven, D. W. 46 1987 On the deformation of Artin-Schreier to Kummer. Zbl 0714.14024Sekiguchi, Tsutomu; Oort, Frans; Suwa, Noriyuki 46 1989 A stratification of a moduli space of abelian varieties. Zbl 1052.14047Oort, Frans 44 2001 Supersingular curves of genus two and class numbers. Zbl 0589.14028Ibukiyama, Tomoyoshi; Katsura, Toshiyuki; Oort, Frans 44 1986 Moduli of abelian varieties. Zbl 0483.14010Norman, Peter; Oort, Frans 40 1980 Foliations in moduli spaces of abelian varieties. Zbl 1041.14018Oort, Frans 36 2004 Families of supersingular abelian surfaces. Zbl 0636.14017Katsura, Toshiyuki; Oort, Frans 34 1987 The Torelli locus and special subvarieties. Zbl 1322.14065Moonen, Ben; Oort, Frans 33 2013 Stratifications of Hilbert modular varieties. Zbl 0973.14010Goren, E. Z.; Oort, F. 32 2000 Representability of group functors, and automorphisms of algebraic schemes. Zbl 0173.22504Matsumura, H.; Oort, F. 32 1967 Subvarieties of moduli spaces. Zbl 0259.14011Oort, Frans 30 1974 Which abelian surfaces are products of elliptic curves? Zbl 0283.14007Oort, Frans 30 1975 Purity of the stratification by Newton polygons. Zbl 0954.14007de Jong, A. J.; Oort, F. 30 2000 Complex multiplication and lifting problems. Zbl 1298.14001Chai, Ching-Li; Conrad, Brian; Oort, Frans 26 2014 Principally polarized Abelian varieties of dimension two or three are Jacobian varieties. Zbl 0272.14008Oort, Frans; Ueno, Kenji 25 1973 Newton polygon strata in the moduli space of abelian varieties. Zbl 1086.14037Oort, Frans 25 2001 The local Torelli problem for algebraic curves. Zbl 0444.14007Oort, Frans; Steenbrink, Joseph 24 1980 Minimal \(p\)-divisible groups. Zbl 1081.14065Oort, Frans 23 2005 Newton polygons and formal groups: Conjectures by Manin and Grothendieck. Zbl 0991.14016Oort, Frans 21 2000 Canonical liftings and dense sets of CM-points. Zbl 0911.14018Oort, Frans 19 1997 Finite group schemes, local moduli for abelian varieties, and lifting problems. Zbl 0223.14024Oort, Frans 18 1971 Deformations and liftings of finite, commutative group schemes. Zbl 0179.49901Oort, F.; Mumford, D. 17 1968 On extending families of curves. Zbl 0922.14017de Jong, A. J.; Oort, F. 16 1997 Abelian varieties having purely additive reduction. Zbl 0557.14022Lenstra, H. W. jun.; Oort, F. 15 1985 Families of \(p\)-divisible groups with constant Newton polygon. Zbl 1022.14013Oort, Frans; Zink, Thomas 14 2002 Algebraic group schemes in characteristic zero are reduced. Zbl 0173.49002Oort, F. 14 1966 Yoneda extensions in Abelian categories. Zbl 0126.03401Oort, F. 13 1964 Endomorphism algebras of abelian varieties. Zbl 0697.14029Oort, F. 13 1988 The isogeny class of a CM-type abelian variety is defined over a finite extension of the prime field. Zbl 0272.14009Oort, Frans 12 1973 Open problems in algebraic geometry. Zbl 1009.11002Edixhoven, S. J.; Moonen, B. J. J.; Oort, F. 12 2001 A construction of generalized Jacobian varieties by group extensions. Zbl 0101.38502Oort, F. 12 1962 Simple abelian varieties having a prescribed formal isogeny type. Zbl 0279.14009Lenstra, Hendrik W. jun.; Oort, Frans 11 1974 Reducible and multiple algebraic curves. Zbl 0102.15905Oort, Frans 11 1961 Sur le schéma de Picard. Zbl 0123.13901Oort, Frans 11 1962 Alterations and resolution of singularities. Zbl 0996.14007Abramovich, Dan; Oort, Frans 10 2000 A stratification of a moduli space of polarized abelian varieties in positive characteristic. Zbl 0974.14030Oort, Frans 10 1999 Hyperelliptic supersingular curves. Zbl 0820.14018Oort, Frans 10 1991 Abelian varieties isogenous to a Jacobian. Zbl 1263.14032Chai, Ching-Li; Oort, Frans 10 2012 Moduli of abelian varieties and \(p\)-divisible groups. Zbl 1188.14028Chai, Ching-Li; Oort, Frans 9 2009 Moduli of abelian varieties and Newton polygons. Zbl 0734.14016Oort, Frans 9 1991 Monodromy and irreducibility of leaves. Zbl 1228.14021Chai, Ching-Li; Oort, Frans 9 2011 Finite group schemes, local moduli for abelian varieties, and lifting problems. Zbl 0239.14018Oort, Frans 8 1972 Stable maps and Hurwitz schemes in mixed characteristics. Zbl 1040.14011Abramovich, Dan; Oort, Frans 8 2001 Abelian varieties over finite fields. Zbl 1181.14029Oort, Frans 8 2008 Lifting algebraic curves, abelian varieties, and their endomorphisms to characteristic zero. Zbl 0645.14017Oort, Frans 8 1987 Good and stable reduction of Abelian varieties. Zbl 0266.14016Oort, Frans 7 1974 Simple \(p\)-kernels of \(p\)-divisible groups. Zbl 1093.14064Oort, Frans 7 2005 Hypersymmetric Abelian varieties. Zbl 1156.14320Chai, Ching-Li; Oort, Frans 7 2006 A Campedelli surface with torsiongroup Z/2. Zbl 0523.14025Oort, F.; Peters, C. 7 1981 Moduli of abelian varieties: a short introduction and survey. Zbl 0979.14022van der Geer, Gerard; Oort, Frans 6 1999 A note on the existence of absolutely simple Jacobians. Zbl 1006.14006Chai, Ching-Li; Oort, Frans 6 2001 Dieudonne modules of finite local group schemes. Zbl 0281.14019Oort, Frans 5 1974 The canonical lifting of an ordinary Jacobian variety need not be a Jacobian variety. Zbl 0605.14031Oort, Frans; Sekiguchi, Tsutomu 5 1986 Foliations in moduli spaces of abelian varieties and dimension of leaves. Zbl 1247.14047Oort, Frans 5 2009 Higher extensions of abelian varieties. Zbl 0161.18101Oort, Frans; Oda, Tadao 5 1968 Abelian subvarieties. Zbl 0861.14037Lenstra, Hendrik W. jun.; Oort, Frans; Zarhin, Yuri G. 5 1996 Moduli of abelian varieties in mixed and in positive characteristic. Zbl 1322.14066Oort, Frans 5 2013 Supersingular abelian varieties. Zbl 0402.14016Oda, Tadao; Oort, Frans 4 1977 Algebraic geometry, Oslo 1970. Proceedings of the 5th Nordic Summer- School in mathematics, Oslo, August 5-25, 1970. Zbl 0237.00014 4 1972 A compactification of a fine moduli space of curves. Zbl 1002.14006van Geemen, Bert; Oort, Frans 4 2000 Complete subvarieties of moduli spaces. Zbl 0841.14008Oort, Frans 4 1995 On the deformations of Witt groups to tori. Zbl 0800.14023Sekiguchi, Tsutomu; Oort, F. 4 1986 Natural maps of extension functors. Zbl 0113.24706Oort, F. 4 1963 Endomorphism algebras of complex tori. Zbl 0858.14024Oort, Frans; Zarhin, Yuri 4 1995 Problems from the Workshop on Automorphisms of Curves. Zbl 1167.14312 4 2005 The Weil conjectures. Zbl 1358.01047Oort, Frans 4 2014 Singularities of coarse moduli schemes. Zbl 0349.14003Oort, Frans 3 1977 Lifting an endomorphism of an elliptic curve to characteristic zero. Zbl 0266.14014Oort, Frans 3 1973 Hyperelliptic curves over number fields. Zbl 0299.14017Oort, Frans 3 1974 Fine and coarse moduli schemes are different. Zbl 0317.14012Oort, F. 3 1974 Moduli of abelian varieties in positive characteristic. Zbl 0839.14037Oort, Frans 3 1994 CM-liftings of abelian varieties. Zbl 0803.14025Oort, Frans 3 1992 Grothendieck: the new algebraic geometry. Zbl 1182.01012Oort, Frans 3 2009 The Riemann-Hurwitz formula. Zbl 1354.14044Oort, Frans 3 2016 Isogenies of formal groups. Zbl 0315.14016Oort, Frans 2 1975 Moduli of abelian varieties. Proceedings of the 3rd Texel conference, Texel Island, Netherlands, April 1999. Zbl 0958.00023 2 2001 Newton polygons and \(p\)-divisible groups: a conjecture by Grothendieck. Zbl 1078.14063Oort, Frans 2 2005 The category of finite bialgebras over a field. Zbl 0166.01103Oort, F.; Strooker, J. R. 2 1967 Complex tori. Zbl 0879.14023Oort, Frans; Zarhin, Yuri G. 2 1996 Supersingular abelian varieties of dimension two or three and class numbers. Zbl 0656.14025Katsura, Toshiyuki; Oort, Frans 2 1987 Group schemes of prime order. Zbl 0225.14024Tate, John; Oort, Frans 1 1972 Singularities of the moduli scheme for curves of genus three. Zbl 0298.14016Oort, Frans 1 1975 Hensel’s lemma and rational points over local rings. Zbl 0193.35003Oort, F. 1 1970 Alterations can remove singularities. Zbl 0928.14012Oort, Frans 1 1998 The algebraic fundamental group. Zbl 0911.14006Oort, Frans 1 1997 “The” general case of S. Lang’s conjecture (after Faltings). Zbl 0811.14025Oort, Frans 1 1993 On the definition of an abelian category. Zbl 0145.02001Oort, F. 1 1967 A note on rationality of divisor classes on algebraic schemata (separable case). Zbl 0161.18102Oort, Frans 1 1963 The Hecke orbit conjecture: a survey and outlook. Zbl 1427.14091Chai, Ching-Li; Oort, Frans 1 2019 Rational curves in fibers. Zbl 0859.14004Oort, Frans 1 1995 A construction of an abelian variety with a given endomorphism algebra. Zbl 0656.14024Oort, F.; van der Put, M. 1 1988 The Hecke orbit conjecture: a survey and outlook. Zbl 1427.14091Chai, Ching-Li; Oort, Frans 1 2019 The Riemann-Hurwitz formula. Zbl 1354.14044Oort, Frans 3 2016 Complex multiplication and lifting problems. Zbl 1298.14001Chai, Ching-Li; Conrad, Brian; Oort, Frans 26 2014 The Weil conjectures. Zbl 1358.01047Oort, Frans 4 2014 The Torelli locus and special subvarieties. Zbl 1322.14065Moonen, Ben; Oort, Frans 33 2013 Moduli of abelian varieties in mixed and in positive characteristic. Zbl 1322.14066Oort, Frans 5 2013 Abelian varieties isogenous to a Jacobian. Zbl 1263.14032Chai, Ching-Li; Oort, Frans 10 2012 Monodromy and irreducibility of leaves. Zbl 1228.14021Chai, Ching-Li; Oort, Frans 9 2011 Moduli of abelian varieties and \(p\)-divisible groups. Zbl 1188.14028Chai, Ching-Li; Oort, Frans 9 2009 Foliations in moduli spaces of abelian varieties and dimension of leaves. Zbl 1247.14047Oort, Frans 5 2009 Grothendieck: the new algebraic geometry. Zbl 1182.01012Oort, Frans 3 2009 Abelian varieties over finite fields. Zbl 1181.14029Oort, Frans 8 2008 Hypersymmetric Abelian varieties. Zbl 1156.14320Chai, Ching-Li; Oort, Frans 7 2006 Minimal \(p\)-divisible groups. Zbl 1081.14065Oort, Frans 23 2005 Simple \(p\)-kernels of \(p\)-divisible groups. Zbl 1093.14064Oort, Frans 7 2005 Problems from the Workshop on Automorphisms of Curves. Zbl 1167.14312 4 2005 Newton polygons and \(p\)-divisible groups: a conjecture by Grothendieck. Zbl 1078.14063Oort, Frans 2 2005 Foliations in moduli spaces of abelian varieties. Zbl 1041.14018Oort, Frans 36 2004 Families of \(p\)-divisible groups with constant Newton polygon. Zbl 1022.14013Oort, Frans; Zink, Thomas 14 2002 A stratification of a moduli space of abelian varieties. Zbl 1052.14047Oort, Frans 44 2001 Newton polygon strata in the moduli space of abelian varieties. Zbl 1086.14037Oort, Frans 25 2001 Open problems in algebraic geometry. Zbl 1009.11002Edixhoven, S. J.; Moonen, B. J. J.; Oort, F. 12 2001 Stable maps and Hurwitz schemes in mixed characteristics. Zbl 1040.14011Abramovich, Dan; Oort, Frans 8 2001 A note on the existence of absolutely simple Jacobians. Zbl 1006.14006Chai, Ching-Li; Oort, Frans 6 2001 Moduli of abelian varieties. Proceedings of the 3rd Texel conference, Texel Island, Netherlands, April 1999. Zbl 0958.00023 2 2001 Stratifications of Hilbert modular varieties. Zbl 0973.14010Goren, E. Z.; Oort, F. 32 2000 Purity of the stratification by Newton polygons. Zbl 0954.14007de Jong, A. J.; Oort, F. 30 2000 Newton polygons and formal groups: Conjectures by Manin and Grothendieck. Zbl 0991.14016Oort, Frans 21 2000 Alterations and resolution of singularities. Zbl 0996.14007Abramovich, Dan; Oort, Frans 10 2000 A compactification of a fine moduli space of curves. Zbl 1002.14006van Geemen, Bert; Oort, Frans 4 2000 A stratification of a moduli space of polarized abelian varieties in positive characteristic. Zbl 0974.14030Oort, Frans 10 1999 Moduli of abelian varieties: a short introduction and survey. Zbl 0979.14022van der Geer, Gerard; Oort, Frans 6 1999 Moduli of supersingular abelian varieties. Zbl 0920.14021Li, Ke-Zheng; Oort, Frans 54 1998 Alterations can remove singularities. Zbl 0928.14012Oort, Frans 1 1998 Canonical liftings and dense sets of CM-points. Zbl 0911.14018Oort, Frans 19 1997 On extending families of curves. Zbl 0922.14017de Jong, A. J.; Oort, F. 16 1997 The algebraic fundamental group. Zbl 0911.14006Oort, Frans 1 1997 Abelian subvarieties. Zbl 0861.14037Lenstra, Hendrik W. jun.; Oort, Frans; Zarhin, Yuri G. 5 1996 Complex tori. Zbl 0879.14023Oort, Frans; Zarhin, Yuri G. 2 1996 Complete subvarieties of moduli spaces. Zbl 0841.14008Oort, Frans 4 1995 Endomorphism algebras of complex tori. Zbl 0858.14024Oort, Frans; Zarhin, Yuri 4 1995 Rational curves in fibers. Zbl 0859.14004Oort, Frans 1 1995 Moduli of abelian varieties in positive characteristic. Zbl 0839.14037Oort, Frans 3 1994 “The” general case of S. Lang’s conjecture (after Faltings). Zbl 0811.14025Oort, Frans 1 1993 CM-liftings of abelian varieties. Zbl 0803.14025Oort, Frans 3 1992 Hyperelliptic supersingular curves. Zbl 0820.14018Oort, Frans 10 1991 Moduli of abelian varieties and Newton polygons. Zbl 0734.14016Oort, Frans 9 1991 On the deformation of Artin-Schreier to Kummer. Zbl 0714.14024Sekiguchi, Tsutomu; Oort, Frans; Suwa, Noriyuki 46 1989 Endomorphism algebras of abelian varieties. Zbl 0697.14029Oort, F. 13 1988 A construction of an abelian variety with a given endomorphism algebra. Zbl 0656.14024Oort, F.; van der Put, M. 1 1988 Poncelet’s closure theorem. Zbl 0633.51014Bos, H. J. M.; Kers, C.; Oort, F.; Raven, D. W. 46 1987 Families of supersingular abelian surfaces. Zbl 0636.14017Katsura, Toshiyuki; Oort, Frans 34 1987 Lifting algebraic curves, abelian varieties, and their endomorphisms to characteristic zero. Zbl 0645.14017Oort, Frans 8 1987 Supersingular abelian varieties of dimension two or three and class numbers. Zbl 0656.14025Katsura, Toshiyuki; Oort, Frans 2 1987 Supersingular curves of genus two and class numbers. Zbl 0589.14028Ibukiyama, Tomoyoshi; Katsura, Toshiyuki; Oort, Frans 44 1986 The canonical lifting of an ordinary Jacobian variety need not be a Jacobian variety. Zbl 0605.14031Oort, Frans; Sekiguchi, Tsutomu 5 1986 On the deformations of Witt groups to tori. Zbl 0800.14023Sekiguchi, Tsutomu; Oort, F. 4 1986 Abelian varieties having purely additive reduction. Zbl 0557.14022Lenstra, H. W. jun.; Oort, F. 15 1985 A Campedelli surface with torsiongroup Z/2. Zbl 0523.14025Oort, F.; Peters, C. 7 1981 Moduli of abelian varieties. Zbl 0483.14010Norman, Peter; Oort, Frans 40 1980 The local Torelli problem for algebraic curves. Zbl 0444.14007Oort, Frans; Steenbrink, Joseph 24 1980 Supersingular abelian varieties. Zbl 0402.14016Oda, Tadao; Oort, Frans 4 1977 Singularities of coarse moduli schemes. Zbl 0349.14003Oort, Frans 3 1977 Which abelian surfaces are products of elliptic curves? Zbl 0283.14007Oort, Frans 30 1975 Isogenies of formal groups. Zbl 0315.14016Oort, Frans 2 1975 Singularities of the moduli scheme for curves of genus three. Zbl 0298.14016Oort, Frans 1 1975 Subvarieties of moduli spaces. Zbl 0259.14011Oort, Frans 30 1974 Simple abelian varieties having a prescribed formal isogeny type. Zbl 0279.14009Lenstra, Hendrik W. jun.; Oort, Frans 11 1974 Good and stable reduction of Abelian varieties. Zbl 0266.14016Oort, Frans 7 1974 Dieudonne modules of finite local group schemes. Zbl 0281.14019Oort, Frans 5 1974 Hyperelliptic curves over number fields. Zbl 0299.14017Oort, Frans 3 1974 Fine and coarse moduli schemes are different. Zbl 0317.14012Oort, F. 3 1974 Principally polarized Abelian varieties of dimension two or three are Jacobian varieties. Zbl 0272.14008Oort, Frans; Ueno, Kenji 25 1973 The isogeny class of a CM-type abelian variety is defined over a finite extension of the prime field. Zbl 0272.14009Oort, Frans 12 1973 Lifting an endomorphism of an elliptic curve to characteristic zero. Zbl 0266.14014Oort, Frans 3 1973 Finite group schemes, local moduli for abelian varieties, and lifting problems. Zbl 0239.14018Oort, Frans 8 1972 Algebraic geometry, Oslo 1970. Proceedings of the 5th Nordic Summer- School in mathematics, Oslo, August 5-25, 1970. Zbl 0237.00014 4 1972 Group schemes of prime order. Zbl 0225.14024Tate, John; Oort, Frans 1 1972 Finite group schemes, local moduli for abelian varieties, and lifting problems. Zbl 0223.14024Oort, Frans 18 1971 Group schemes of prime order. Zbl 0195.50801Tate, John; Oort, Frans 119 1970 Hensel’s lemma and rational points over local rings. Zbl 0193.35003Oort, F. 1 1970 Deformations and liftings of finite, commutative group schemes. Zbl 0179.49901Oort, F.; Mumford, D. 17 1968 Higher extensions of abelian varieties. Zbl 0161.18101Oort, Frans; Oda, Tadao 5 1968 Representability of group functors, and automorphisms of algebraic schemes. Zbl 0173.22504Matsumura, H.; Oort, F. 32 1967 The category of finite bialgebras over a field. Zbl 0166.01103Oort, F.; Strooker, J. R. 2 1967 On the definition of an abelian category. Zbl 0145.02001Oort, F. 1 1967 Commutative group schemes. Zbl 0216.05603Oort, F. 75 1966 Algebraic group schemes in characteristic zero are reduced. Zbl 0173.49002Oort, F. 14 1966 Yoneda extensions in Abelian categories. Zbl 0126.03401Oort, F. 13 1964 Natural maps of extension functors. Zbl 0113.24706Oort, F. 4 1963 A note on rationality of divisor classes on algebraic schemata (separable case). Zbl 0161.18102Oort, Frans 1 1963 A construction of generalized Jacobian varieties by group extensions. Zbl 0101.38502Oort, F. 12 1962 Sur le schéma de Picard. Zbl 0123.13901Oort, Frans 11 1962 Reducible and multiple algebraic curves. Zbl 0102.15905Oort, Frans 11 1961 all cited Publications top 5 cited Publications all top 5 Cited by 757 Authors 27 Yu, Chia-Fu 26 Oort, Frans 18 Zarkhin, Yuriĭ Gennad’evich 14 Pries, Rachel J. 10 Achter, Jeffrey D. 10 Frediani, Paola 10 Katsura, Toshiyuki 9 Goren, Eyal Z. 9 Harashita, Shushi 8 Brion, Michel 8 Görtz, Ulrich 8 Vasiu, Adrian 8 Viehmann, Eva 7 Ghigi, Alessandro 7 Ibukiyama, Tomoyoshi 7 Lorenzini, Dino J. 7 Schröer, Stefan 7 Zuo, Kang 6 Chai, Chingli 6 de Jong, Aise Johan 6 Howe, Everett W. 6 Kannan, Subramaniam Senthamarai 6 Koch, Alan 6 Mazur, Barry 6 Milne, James Stuart 6 Pilloni, Vincent 6 Sekiguchi, Tsutomu 6 Suwa, Noriyuki 6 van der Put, Marius 6 Zaytsev, Alexey 5 Andreatta, Fabrizio 5 Breen, Lawrence S. 5 Byott, Nigel P. 5 Childs, Lindsay N. 5 Hamacher, Paul 5 He, Xuhua 5 Kassaei, Payman L. 5 Mirman, Boris 5 Moonen, Ben 5 Rapoport, Michael 5 Ritzenthaler, Christophe 5 Tsimerman, Jacob 4 Cieślak, Waldemar 4 Emerton, Matthew 4 Karemaker, Valentijn 4 Krishnamoorthy, Raju 4 Lønsted, Knud 4 Lu, Xin 4 Maulik, Davesh 4 Mozgawa, Witold 4 Nicole, Marc-Hubert 4 Nie, Sian 4 Saïdi, Mohamed Réda 4 Schneider, Hans-Jürgen 4 Shankar, Ananth N. 4 Silverberg, Alice 4 Tabachnikov, Serge L. 4 Tang, Yunqing 4 Tian, Yichao 4 Top, Jaap 4 Tossici, Dajano 4 Ulmer, Douglas L. 4 Van der Geer, Gerard 4 Wewers, Stefan 4 Xiao, Liang 4 Xue, Jiangwei 4 Zhu, Hui June 3 Bleher, Frauke M. 3 Bouw, Irene I. 3 Chinburg, Ted 3 Cornelissen, Gunther 3 de Shalit, Ehud 3 Del Centina, Andrea 3 Dolgachev, Igor’ Vladimirovich 3 Dragović, Vladimir 3 Efroymson, Gustave A. 3 Garcia, Ronaldo A. 3 Harbater, David 3 Harris, Michael Howard 3 Hartl, Urs T. 3 Kamienny, Sheldon 3 Kani, Ernst J. 3 Koskivirta, Jean-Stefan 3 Kudo, Momonari 3 Kühne, Lars 3 Lau, Eike 3 Li, Kezheng 3 Liedtke, Christian 3 Mantovan, Elena 3 Mézard, Ariane 3 Mohajer, Abolfazl 3 Momose, Fumiyuki 3 Nart, Enric 3 Norman, Peter 3 Pál, Ambrus 3 Pila, Jonathan 3 Pirola, Gian Pietro 3 Poonen, Bjorn 3 Radnović, Milena 3 Raynaud, Michel ...and 657 more Authors all top 5 Cited in 156 Serials 66 Compositio Mathematica 43 Journal of Algebra 35 Inventiones Mathematicae 35 Journal of Number Theory 34 Duke Mathematical Journal 34 Mathematische Annalen 31 Transactions of the American Mathematical Society 27 Journal of Pure and Applied Algebra 27 Mathematische Zeitschrift 22 Annales de l’Institut Fourier 22 Manuscripta Mathematica 18 Journal of Algebraic Geometry 17 Advances in Mathematics 16 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 15 Journal de Théorie des Nombres de Bordeaux 15 Annals of Mathematics. Second Series 13 Journal für die Reine und Angewandte Mathematik 13 Proceedings of the American Mathematical Society 11 Israel Journal of Mathematics 11 Algebra & Number Theory 10 Journal of the American Mathematical Society 10 Research in Number Theory 9 Communications in Algebra 9 Finite Fields and their Applications 7 Geometriae Dedicata 7 Michigan Mathematical Journal 7 Bulletin of the American Mathematical Society. New Series 7 Journal of the Institute of Mathematics of Jussieu 7 International Journal of Number Theory 7 Forum of Mathematics, Sigma 6 Rendiconti del Seminario Matematico della Università di Padova 6 Tôhoku Mathematical Journal. Second Series 6 Linear Algebra and its Applications 6 Transformation Groups 6 Comptes Rendus. Mathématique. Académie des Sciences, Paris 5 Rocky Mountain Journal of Mathematics 5 Bulletin de la Société Mathématique de France 5 Publications Mathématiques 5 Documenta Mathematica 5 Communications in Contemporary Mathematics 5 European Journal of Mathematics 4 Mathematics of Computation 4 Beiträge zur Algebra und Geometrie 4 Journal of the Mathematical Society of Japan 4 Mathematische Nachrichten 4 Nagoya Mathematical Journal 4 Tokyo Journal of Mathematics 4 Science China. Mathematics 3 Archive for History of Exact Sciences 3 Annali di Matematica Pura ed Applicata. Serie Quarta 3 Journal of Soviet Mathematics 3 Kodai Mathematical Journal 3 Journal de Mathématiques Pures et Appliquées. Neuvième Série 3 Annales de la Faculté des Sciences de Toulouse. Mathématiques. Série VI 3 Bulletin des Sciences Mathématiques 3 Taiwanese Journal of Mathematics 2 Acta Arithmetica 2 Archiv der Mathematik 2 Collectanea Mathematica 2 Functiones et Approximatio. Commentarii Mathematici 2 Indiana University Mathematics Journal 2 Osaka Journal of Mathematics 2 Pacific Journal of Mathematics 2 Proceedings of the London Mathematical Society. Third Series 2 Publications of the Research Institute for Mathematical Sciences, Kyoto University 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Acta Mathematica Hungarica 2 Revista Matemática Iberoamericana 2 Journal of Cryptology 2 Forum Mathematicum 2 International Journal of Mathematics 2 Séminaire de Théorie des Nombres de Bordeaux. Deuxième Série 2 Designs, Codes and Cryptography 2 Historia Mathematica 2 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 2 Indagationes Mathematicae. New Series 2 St. Petersburg Mathematical Journal 2 Selecta Mathematica. New Series 2 Geometry & Topology 2 Algebraic & Geometric Topology 2 Bulletin of the American Mathematical Society 2 Proceedings of the Steklov Institute of Mathematics 2 Advances in Mathematics of Communications 2 Forum of Mathematics, Pi 2 Arnold Mathematical Journal 1 Astrophysics and Space Science 1 Communications in Mathematical Physics 1 Houston Journal of Mathematics 1 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV) 1 The Mathematical Gazette 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Journal of Geometry and Physics 1 The Mathematical Intelligencer 1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 1 Acta Mathematica 1 Acta Mathematica Vietnamica 1 American Journal of Mathematics 1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 1 Annales Universitatis Mariae Curie-Skłodowska. Sectio A. Mathematica 1 Bulletin of the London Mathematical Society ...and 56 more Serials all top 5 Cited in 37 Fields 681 Algebraic geometry (14-XX) 376 Number theory (11-XX) 52 Group theory and generalizations (20-XX) 44 Associative rings and algebras (16-XX) 42 Commutative algebra (13-XX) 29 Field theory and polynomials (12-XX) 29 Geometry (51-XX) 26 Several complex variables and analytic spaces (32-XX) 23 Category theory; homological algebra (18-XX) 15 Dynamical systems and ergodic theory (37-XX) 12 Topological groups, Lie groups (22-XX) 11 History and biography (01-XX) 11 Differential geometry (53-XX) 9 Information and communication theory, circuits (94-XX) 7 Algebraic topology (55-XX) 6 Mathematical logic and foundations (03-XX) 6 Combinatorics (05-XX) 6 Linear and multilinear algebra; matrix theory (15-XX) 6 \(K\)-theory (19-XX) 6 Functions of a complex variable (30-XX) 4 Nonassociative rings and algebras (17-XX) 4 Convex and discrete geometry (52-XX) 4 Manifolds and cell complexes (57-XX) 4 Computer science (68-XX) 3 Measure and integration (28-XX) 3 Quantum theory (81-XX) 2 General and overarching topics; collections (00-XX) 2 Ordinary differential equations (34-XX) 2 Partial differential equations (35-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Special functions (33-XX) 1 Functional analysis (46-XX) 1 Operator theory (47-XX) 1 Numerical analysis (65-XX) 1 Mechanics of particles and systems (70-XX) 1 Fluid mechanics (76-XX) 1 Astronomy and astrophysics (85-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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