Open Problems


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Upgrading a completary multifuncoidPorton✭✭0Topologyporton
Unused Free Kim Kardashian Hollywood Cheats No Human Verification No Survey (2024 Method)✭✭0Algebratigris35711
Unused Free Bloons TD Battles Cheats No Human Verification No Survey (2024 Method)✭✭0Algebratigris35711
Unsolvability of word problem for 2-knot complementsGordon✭✭✭0Topologyrybu
Universal Steiner triple systemsGrannell; Griggs; Knor; Skoviera✭✭0Graph Theory » Coloring » Edge coloringmacajova
Universal point sets for planar graphsMohar✭✭✭0Graph Theory » Topological G.T. » Drawingsmdevos
Universal highly arc transitive digraphsCameron; Praeger; Wormald✭✭✭0Graph Theory » Infinite Graphsmdevos
Unit vector flowsJain✭✭0Graph Theory » Coloring » Nowhere-zero flowsmdevos
Unions of triangle free graphsErdos; Hajnal✭✭✭0Graph Theory » Infinite Graphsmdevos
Unfriendly partitionsCowan; Emerson✭✭✭0Graph Theory » Infinite Graphsmdevos
Unconditional derandomization of Arthur-Merlin gamesShaltiel; Umans✭✭✭0Theoretical Comp. Sci. » Complexity » Derandomizationormeir
Twin prime conjecture✭✭✭✭0Number Theorykaushiks.nitt
Turán's problem for hypergraphsTuran✭✭0Graph Theory » Hypergraphsfhavet
Turán Problem for $10$-Cycles in the HypercubeErdos✭✭0CombinatoricsJon Noel
Turán number of a finite family.Erdos; Simonovits✭✭0Graph Theoryfhavet
Triangle-packing vs triangle edge-transversal.Tuza✭✭0Graph Theory » Extremal G.T.fhavet
Triangle free strongly regular graphs✭✭✭0Graph Theory » Algebraic G.T.mdevos
Transversal achievement game on a square gridErickson✭✭1CombinatoricsMartin Erickson
trace inequality✭✭0AlgebraMiwa Lin
Total Colouring ConjectureBehzad✭✭✭0Graph Theory » ColoringIradmusa
Toon Blast Cheats Generator Android Ios 2024 Cheats Generator (re-designed)✭✭0Algebratigris35711
Toon Blast Cheats Generator Android Ios 2024 Cheats Generator (improved version)✭✭0Algebratigris35711
Toon Blast Cheats Generator 2024 Cheats Generator Tested On Android Ios (extra)✭✭0Algebratigris35711
Toon Blast Cheats Generator 2024 (rejuvenated Generator)✭✭0Algebratigris35711
Three-chromatic (0,2)-graphsPayan✭✭0Graph Theory » ColoringGordon Royle
The Ultimate Guide to Simpsons Tapped Out Cheats: Unlocking Donuts and Cash✭✭0Algebratigris35711
The Ultimate Guide to Gardenscapes Cheats and Hacks: Boost Your Game in 2024✭✭0Algebratigris35711
The Two Color ConjectureNeumann-Lara✭✭0Graph Theory » Directed Graphsmdevos
The three 4-flows conjectureDeVos✭✭0Graph Theory » Coloring » Nowhere-zero flowsmdevos
The sum of the two largest eigenvalues (Solved)✭✭0Algebratigris35711
The stubborn list partition problemCameron; Eschen; Hoang; Sritharan✭✭0Graph Theory » Graph Algorithmsmdevos
The Sims Mobile Cheats Generator Working Android Ios 2024 Cheats Generator (Newly Discovered)✭✭0Algebratigris35711
The Sims Mobile Cheats Generator Free 2024 No Verification Android iOS (tips codes)✭✭0Algebratigris35711
The Sims Mobile Cheats Generator 2024 New Working Cheats Generator (New Method)✭✭0Algebratigris35711
The Sims Mobile Cheats Generator 2024 for Android iOS (UPDATED Generator)✭✭0Algebratigris35711
The robustness of the tensor productBen-Sasson; Sudan✭✭✭0Theoretical Comp. Sci. » Coding Theoryormeir
The Riemann HypothesisRiemann✭✭✭✭0Number Theory » Analytic N.T.eric
The permanent conjectureKahn✭✭0Combinatorics » Matricesmdevos
The large sets conjectureBrown; Graham; Landman✭✭✭0Combinatorics » Ramsey Theoryvjungic
The intersection of two perfect matchingsMacajova; Skoviera✭✭0Graph Theory » Basic G.T. » Matchingsmdevos
The Hodge ConjectureHodge✭✭✭✭0Geometry » Algebraic GeometryCharles
The Erdos-Turan conjecture on additive basesErdos; Turan✭✭✭✭0Number Theory » Additive N.T.mdevos
The Erdös-Hajnal ConjectureErdos; Hajnal✭✭✭0Graph Theory » Extremal G.T.mdevos
The Double Cap ConjectureKalai✭✭0CombinatoricsJon Noel
The Crossing Number of the HypercubeErdos; Guy✭✭0Graph Theory » Topological G.T. » Crossing numbersRobert Samal
The Crossing Number of the Complete Graph✭✭✭0Graph Theory » Topological G.T. » Crossing numbersRobert Samal
The Crossing Number of the Complete Bipartite GraphTuran✭✭✭0Graph Theory » Topological G.T. » Crossing numbersRobert Samal
The circular embedding conjectureHaggard✭✭✭0Graph Theory » Basic G.T. » Cyclesmdevos
The Borodin-Kostochka ConjectureBorodin; Kostochka✭✭0Graph TheoryAndrew King
The Bollobás-Eldridge-Catlin Conjecture on graph packing✭✭✭0Graph Theory » Extremal G.T.asp
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