User:DoctorKubla/Unsolved
{{Sidebar
| name = Unsolved problems in biology
| pretitle = Part of a series on
| title = {{wraplink|List of unsolved problems in biology|Unsolved problems in biology}}
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| heading1 = Anatomy
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| heading2 = Ecology
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| heading3 = Evolutionary biology
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| heading4 = Gerontology
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| heading5 = Paleontology
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{{Sidebar
| name = Unsolved problems in chemistry
| pretitle = Part of a series on
| title = {{wraplink|List of unsolved problems in chemistry|Unsolved problems in chemistry}}
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| contentclass = hlist
| heading1 = Organic chemistry
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| heading2 = Biochemistry
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| heading3 = Physical chemistry
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{{Sidebar
| name = Unsolved problems in computer science
| pretitle = Part of a series on
| title = {{wraplink|List of unsolved problems in computer science|Unsolved problems in computer science}}
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| contentclass = hlist
| heading1 = Computational complexity theory
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| heading2 = Algorithms
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| heading3 = Programming language theory
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| heading4 = Other problems
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{{Sidebar
| name = Unsolved problems in economics
| pretitle = Part of a series on
| title = {{wraplink|List of unsolved problems in economics|Unsolved problems in economics}}
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| contentclass = hlist
| heading1 = Financial economics
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| heading2 = International economics
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- Backus–Kehoe–Kydland puzzle
- Equity home bias puzzle
- Feldstein–Horioka puzzle
- Home bias in trade puzzle
- Real exchange-rate puzzles
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{{Sidebar with collapsible lists
| name = Unsolved problems in mathematics
| pretitle = Part of a series on
| title = {{wraplink|List of unsolved problems in mathematics|Unsolved problems in mathematics}}
| listtitlestyle = background-color: #E5E4E2; text-align: center
| contentclass = hlist
| list1title = Additive number theory
| list1name = Additive number theory
| list1 =
- Collatz conjecture
- Diophantine quintuple
- Erdős conjecture on arithmetic progressions
- Erdős–Turán conjecture on additive bases
- Gilbreath's conjecture
- Goldbach's conjecture
- Pollock octahedral numbers conjecture
| list2title = Algebra
| list2name = Algebra
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| list3title = Algebraic geometry
| list3name = Algebraic geometry
| list3 =
- André–Oort conjecture
- Bass conjecture
- Fröberg conjecture
- Fujita conjecture
- Hodge conjecture
- Jacobian conjecture
- Nakai conjecture
- n! conjecture
- Resolution of singularities in characteristic p
- Standard conjectures on algebraic cycles
- Section conjecture
- Virasoro conjecture
- Witten conjecture
| list4title = Algebraic number theory
| list4name = Algebraic number theory
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| list5title = Analysis
| list5name = Analysis
| list5 =
- Khabibullin's conjecture on integral inequalities
- Lehmer's conjecture
- Pompeiu problem
- Schanuel's conjecture
| list6title = Combinatorics
| list6name = Combinatorics
| list6 =
- 1/3–2/3 conjecture
- Conway's thrackle conjecture
- Hadwiger conjecture
- Lonely runner conjecture
- Singmaster's conjecture
- Union-closed sets conjecture
| list7title = Graph theory
| list7name = Graph theory
| list7 =
- Barnette's conjecture
- cycle double cover conjecture
- Erdős–Faber–Lovász conjecture
- Erdős–Gyárfás conjecture
- Hadwiger conjecture
- Hadwiger–Nelson problem
- New digraph reconstruction conjecture
- Reconstruction conjecture
- Ringel-Kotzig conjecture
| list8title = Group theory
| list8name = Group theory
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| list9title = Number theory
| list9name = Number theory
| list9 =
:General
- abc conjecture
- Birch and Swinnerton-Dyer conjecture
- Brocard's problem
- Congruent number problem
- Lehmer's totient problem
- Littlewood conjecture
- Lychrel number
- Odd perfect number
- Quasiperfect number
:Prime numbers
- Catalan–Mersenne number conjecture
- Gaussian moat
- Landau's problems
- Lenstra–Pomerance–Wagstaff conjecture
- Polignac's conjecture
- Sierpinski problem
- Twin prime conjecture
- Wall–Sun–Sun prime
| list10title = Set theory
| list10name = Set theory
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| list11title = Statistics
| list11name = Statistics
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| list12title = Other problems
| list12name = Other problems
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- Baum–Connes conjecture
- Dixmier conjecture
- Inscribed square problem
- Invariant subspace problem
- Navier–Stokes existence and smoothness
- Problems in Latin squares
- Problems in loop theory and quasigroup theory
- Riemann hypothesis
- Yang–Mills existence and mass gap
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{{Sidebar
| name = Unsolved problems in philosophy
| pretitle = Part of a series on
| title = {{wraplink|List of unsolved problems in philosophy|Unsolved problems in philosophy}}
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| contentclass = hlist
| heading1 = Epistemology
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| heading2 = Ethics
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| heading3 = Philosophy of language
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| heading4 = Metaphysics
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| heading5 = Philosophy of mind
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| heading6 = Philosophy of science
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{{Sidebar with collapsible lists
| name = Unsolved problems in physics
| pretitle = Part of a series on
| title = {{wraplink|List of unsolved problems in physics|Unsolved problems in physics}}
| listtitlestyle = background-color: #E5E4E2; text-align: center
| contentclass = hlist
| list1title = Astronomy
| list1name = Astronomy
| list1 =
- Coronal heating problem
- Flyby anomaly
- Galaxy rotation problem
- Formation of supermassive black holes
- Relativistic jets
- Space roar
- Ultra-high-energy cosmic ray
| list2title = Cosmology
| list2name = Cosmology
| list2 =
- Baryon asymmetry
- Cosmic inflation
- Cosmological constant problem
- Dark energy
- Dark flow
- Dark matter
- Ecliptic alignment of cosmic microwave background anisotropy
- Horizon problem
- Shape of the Universe
- Ultimate fate of the universe
| list3title = Particle physics
| list3name = Particle physics
| list3 =
- Hierarchy problem
- Magnetic monopole
- Neutrino mass
- Physics beyond the Standard Model
- Proton spin crisis
- Strong CP problem
| list4title = Quantum gravity
| list4name = Quantum gravity
| list4 =
- Black hole information paradox
- Chronology protection conjecture
- Cosmic censorship hypothesis
- Hawking radiation
- Quantum gravity
- Vacuum catastrophe
| list5title = Other problems
| list5name = Other problems
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}}