List of conjectures
This is a list of mathematical conjectures.
Open problems
Conjectures now proved (theorems)
- For a more complete list of problems solved, not restricted to so-called conjectures, see List of unsolved problems in mathematics#Problems solved since 1995
The conjecture terminology may persist: theorems often enough may still be referred to as conjectures, using the anachronistic names.
| Priority date[13] | Proved by | Former name | Field | Comments |
|---|---|---|---|---|
| 1962 | Walter Feit, John Thompson | Burnside conjecture that, apart from cyclic groups, finite simple groups have even order | finite simple groups | Feit–Thompson theorem⇔trivially the "odd order theorem" that finite groups of odd order are solvable groups |
| 1968 | Gerhard Ringel and Ted Youngs | Heawood conjecture | graph theory | Ringel-Youngs theorem |
| 1971 | Daniel Quillen | Adams conjecture | algebraic topology | On the J-homomorphism, proposed 1963 by Frank Adams |
| 1973 | Pierre Deligne | Weil conjectures | algebraic geometry | ⇒Ramanujan–Petersson conjecture Proposed by André Weil. Deligne's theorems completed around 15 years of work on the general case. |
| 1975 | Henryk Hecht and Wilfried Schmid | Blattner's conjecture | representation theory for semisimple groups | |
| 1975 | William Haboush | Mumford conjecture | geometric invariant theory | Haboush's theorem |
| 1976 | Kenneth Appel and Wolfgang Haken | Four color theorem | graph colouring | Traditionally called a "theorem", long before the proof. |
| 1976 | Daniel Quillen and Andrei Suslin independently | Serre's conjecture on projective modules | polynomial rings | Quillen–Suslin theorem |
| 1977 | Alberto Calderón | Denjoy's conjecture | rectifiable curves | A result claimed in 1909 by Arnaud Denjoy, proved by Calderón as a by-product of work on Cauchy singular operators[14] |
| 1978 | Roger Heath-Brown and S. J. Patterson | Kummer's conjecture on cubic Gauss sums | equidistribution | |
| 1983 | Gerd Faltings | Mordell conjecture | number theory | ⇐Faltings's theorem, the Shafarevich conjecture on finiteness of isomorphism classes of abelian varieties. The reduction step was by Alexey Parshin. |
| 1983 onwards | Neil Robertson and Paul D. Seymour | Wagner's conjecture | graph theory | Now generally known as the graph minor theorem. |
| 1983 | Michel Raynaud | Manin–Mumford conjecture | diophantine geometry | The Tate–Voloch conjecture is a quantitative (diophantine approximation) derived conjecture for p-adic varieties. |
| c.1984 | Collective work | Smith conjecture | knot theory | Based on work of William Thurston on hyperbolic structures on 3-manifolds, with results by William Meeks and Shing-Tung Yau on minimal surfaces in 3-manifolds, also with Hyman Bass, Cameron Gordon, Peter Shalen, and Rick Litherland, written up by Bass and John Morgan. |
| 1984 | Louis de Branges | Bieberbach conjecture, 1916 | complex analysis | ⇐Robertson conjecture⇐Milin conjecture⇐de Branges's theorem[15] |
| 1984 | Gunnar Carlsson | Segal's conjecture | homotopy theory | |
| 1984 | Haynes Miller | Sullivan conjecture | classifying spaces | Miller proved the version on mapping BG to a finite complex. |
| 1987 | Grigory Margulis | Oppenheim conjecture | diophantine approximation | Margulis proved the conjecture with ergodic theory methods. |
| 1989 | V. I. Chernousov | Weil's conjecture on Tamagawa numbers | algebraic groups | The problem, based on Siegel's theory for quadratic forms, submitted to a long series of case analysis steps. |
| 1990 | Ken Ribet | epsilon conjecture | modular forms | |
| 1992 | Richard Borcherds | Conway–Norton conjecture | sporadic groups | Usually called monstrous moonshine |
| 1994 | David Harbater and Michel Raynaud | Abhyankar's conjecture | algebraic geometry | |
| 1994 | Andrew Wiles | Fermat's Last Theorem | number theory | ⇔The modularity theorem for semistable elliptic curves. Proof completed with Richard Taylor. |
| 1994 | Fred Galvin | Dinitz conjecture | combinatorics | |
| 1995 | Doron Zeilberger[16] | Alternating sign matrix conjecture, | enumerative combinatorics | |
| 1996 | Vladimir Voevodsky | Milnor conjecture | algebraic K-theory | Voevodsky's theorem, ⇐norm residue isomorphism theorem⇔Beilinson–Lichtenbaum conjecture, Quillen–Lichtenbaum conjecture. The ambiguous term "Bloch-Kato conjecture" may refer to what is now the norm residue isomorphism theorem. |
| 1998 | Thomas Callister Hales | Kepler conjecture | sphere packing | |
| 1998 | Thomas Callister Hales and Sean McLaughlin | dodecahedral conjecture | Voronoi decompositions | |
| 2000 | Krzysztof Kurdyka, Tadeusz Mostowski and Adam Parusiński | Gradient conjecture | gradient vector fields | Attributed to René Thom, c.1970. |
| 2001 | Christophe Breuil, Brian Conrad, Fred Diamond and Richard Taylor | Taniyama–Shimura conjecture | elliptic curves | Now the modularity theorem for elliptic curves. Once known as the "Weil conjecture". |
| 2001 | Mark Haiman | n! conjecture | representation theory | |
| 2001 | Daniel Frohardt and Kay Magaard[17] | Guralnick–Thompson conjecture | monodromy groups | |
| 2002 | Preda Mihăilescu | Catalan's conjecture, 1844 | exponential diophantine equations | ⇐Pillai's conjecture⇐abc conjecture Mihăilescu's theorem |
| 2002 | Maria Chudnovsky, Neil Robertson, Paul Seymour, and Robin Thomas | strong perfect graph conjecture | perfect graphs | Chudnovsky–Robertson–Seymour–Thomas theorem |
| 2002 | Grigori Perelman | Poincaré conjecture, 1904 | 3-manifolds | |
| 2003 | Grigori Perelman | geometrization conjecture of Thurston | 3-manifolds | ⇒spherical space form conjecture |
| 2003 | Ben Green; and independently by Alexander Sapozhenko | Cameron–Erdős conjecture | sum-free sets | |
| 2003 | Nils Dencker | Nirenberg–Treves conjecture | pseudo-differential operators | |
| 2004 (see comment) | Nobuo Iiyori and Hiroshi Yamaki | Frobenius conjecture | group theory | A consequence of the classification of finite simple groups, completed in 2004 by the usual standards of pure mathematics. |
| 2004 | Adam Marcus and Gábor Tardos | Stanley–Wilf conjecture | permutation classes | Marcus–Tardos theorem |
| 2004 | Ualbai U. Umirbaev and Ivan P. Shestakov | Nagata's conjecture on automorphisms | polynomial rings | |
| 2004 | Ian Agol and independently by Danny Calegari–David Gabai | tameness conjecture | geometric topology | ⇒Ahlfors measure conjecture |
| 2008 | Avraham Trahtman | Road coloring conjecture | graph theory | |
| 2008 | Chandrashekhar Khare, Jean-Pierre Wintenberger | Serre's modularity conjecture | modular forms | |
| 2009 | Jeremy Kahn, Vladimir Markovic | surface subgroup conjecture | 3-manifolds | ⇒Ehrenpreis conjecture on quasiconformality |
| 2009 | Jeremie Chalopin and Daniel Gonçalves | Scheinerman's conjecture | intersection graphs | |
| 2010 | Terence Tao and Van H. Vu | circular law | random matrix theory | |
| 2011 | Joel Friedman and Igor Mineyev, independently | Hanna Neumann conjecture | group theory | |
| 2012 | Simon Brendle | Hsiang–Lawson's conjecture | differential geometry | |
| 2012 | Fernando Codá Marques and André Neves | Willmore conjecture | differential geometry | |
| 2013 | Zhang Yitang | bounded gap conjecture | number theory | The sequence of gaps between consecutive prime numbers has a finite lim inf. See Polymath Project#Polymath8 for quantitative results. |
| 2013 | Adam Marcus, Daniel Spielman and Nikhil Srivastava | Kadison–Singer problem | functional analysis | The original problem posed by Kadison and Singer was not a conjecture: its authors believed it false. As reformulated, it became the "paving conjecture" for Euclidean spaces, and then a question on random polynomials, in which latter form it was solved affirmatively. |
| 2015 | Jean Bourgain, Ciprian Demeter, and Larry Guth | Main conjecture in Vinogradov's mean-value theorem | analytic number theory | Bourgain–Demeter–Guth theorem, ⇐ decoupling theorem[18] |
| 2019 | Dimitris Koukoulopoulos and James Maynard | Duffin–Schaeffer conjecture | number theory | Rational approximation of irrational numbers |
- Deligne's conjecture on 1-motives[19]
- Goldbach's weak conjecture (proved in 2013)
- Sensitivity conjecture (proved in 2019)
Disproved (no longer conjectures)
- Atiyah conjecture (not a conjecture to start with)
- Borsuk's conjecture
- Chinese hypothesis (not a conjecture to start with)
- Doomsday conjecture
- Euler's sum of powers conjecture
- Ganea conjecture
- Generalized Smith conjecture
- Hauptvermutung
- Hedetniemi's conjecture, counterexample announced 2019[20]
- Hirsch conjecture (disproved in 2010)
- Intersection graph conjecture
- Kelvin's conjecture
- Kouchnirenko's conjecture
- Mertens conjecture
- Pólya conjecture, 1919 (1958)
- Ragsdale conjecture
- Schoenflies conjecture (disproved 1910)[21]
- Tait's conjecture
- Von Neumann conjecture
- Weyl–Berry conjecture
- Williamson conjecture
See also
References
- Weisstein, Eric W. (2002). CRC Concise Encyclopedia of Mathematics. CRC Press. p. 13. ISBN 9781420035223.
- Frei, Günther; Lemmermeyer, Franz; Roquette, Peter J. (2014). Emil Artin and Helmut Hasse: The Correspondence 1923-1958. Springer Science & Business Media. p. 215. ISBN 9783034807159.
- Steuding, Jörn; Morel, J.-M.; Steuding, Jr̲n (2007). Value-Distribution of L-Functions. Springer Science & Business Media. p. 118. ISBN 9783540265269.
- Valette, Alain (2002). Introduction to the Baum-Connes Conjecture. Springer Science & Business Media. p. viii. ISBN 9783764367060.
- Simon, Barry (2015). Harmonic Analysis. American Mathematical Soc. p. 685. ISBN 9781470411022.
- Tao, Terence (15 October 2012). "The Chowla conjecture and the Sarnak conjecture". What's new.
- Ferenczi, Sébastien; Kułaga-Przymus, Joanna; Lemańczyk, Mariusz (2018). Ergodic Theory and Dynamical Systems in their Interactions with Arithmetics and Combinatorics: CIRM Jean-Morlet Chair, Fall 2016. Springer. p. 185. ISBN 9783319749082.
- Weisstein, Eric W. (2002). CRC Concise Encyclopedia of Mathematics. CRC Press. p. 1203. ISBN 9781420035223.
- M. Peczarski, The gold partition conjecture, it Order 23(2006): 89–95.
- Burger, Marc; Iozzi, Alessandra (2013). Rigidity in Dynamics and Geometry: Contributions from the Programme Ergodic Theory, Geometric Rigidity and Number Theory, Isaac Newton Institute for the Mathematical Sciences Cambridge, United Kingdom, 5 January – 7 July 2000. Springer Science & Business Media. p. 408. ISBN 9783662047439.
- "EMS Prizes". www.math.kth.se.
- "Archived copy" (PDF). Archived from the original (PDF) on 2011-07-24. Retrieved 2008-12-12.CS1 maint: archived copy as title (link)
- In the terms normally used for scientific priority, priority claims are typically understood to be settled by publication date. That approach is certainly flawed in contemporary mathematics, because lead times for publication in mathematical journals can run to several years. The understanding in intellectual property is that the priority claim is established by a filing date. Practice in mathematics adheres more closely to that idea, with an early manuscript submission to a journal, or circulation of a preprint, establishing a "filing date" that would be generally accepted.
- Dudziak, James (2011). Vitushkin's Conjecture for Removable Sets. Springer Science & Business Media. p. 39. ISBN 9781441967091.
- Weisstein, Eric W. (2002). CRC Concise Encyclopedia of Mathematics. CRC Press. p. 218. ISBN 9781420035223.
- Weisstein, Eric W. (2002). CRC Concise Encyclopedia of Mathematics. CRC Press. p. 65. ISBN 9781420035223.
- Daniel Frohardt and Kay Magaard, Composition Factors of Monodromy Groups, Annals of Mathematics Second Series, Vol. 154, No. 2 (Sep., 2001), pp. 327–345. Published by: Mathematics Department, Princeton University DOI: 10.2307/3062099 JSTOR 3062099
- "Decoupling and the Bourgain-Demeter-Guth proof of the Vinogradov main conjecture". What's new. 10 December 2015.
- Holden, Helge; Piene, Ragni (2018). The Abel Prize 2013-2017. Springer. p. 51. ISBN 9783319990286.
- Kalai, Gil (10 May 2019). "A sensation in the morning news – Yaroslav Shitov: Counterexamples to Hedetniemi's conjecture". Combinatorics and more.
- "Schoenflies conjecture", Encyclopedia of Mathematics, EMS Press, 2001 [1994]
External links
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