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Open Problems


TitleAuthor(s)Imp.¹Rec.²Area » Topic » Subtopicsort iconPosted by
Transversal achievement game on a square gridErickson✭✭1CombinatoricsMartin Erickson
Length of surreal productGonshor✭1CombinatoricsLukáš Lánský
Roller Coaster permutationsAhmed; Snevily✭✭✭0CombinatoricsTanbir Ahmed
The Double Cap ConjectureKalai✭✭0CombinatoricsJon Noel
Saturation in the HypercubeMorrison; Noel; Scott✭✭0CombinatoricsJon Noel
Extremal $4$-Neighbour Bootstrap Percolation in the HypercubeMorrison; Noel✭✭0CombinatoricsJon Noel
Turán Problem for $10$-Cycles in the HypercubeErdos✭✭0CombinatoricsJon Noel
$C^r$ Stability ConjecturePalis; Smale✭✭✭✭0Analysism n
Invariant subspace problem✭✭✭0Analysistchow
Criterion for boundedness of power seriesRüdinger✭1Analysisandreasruedinger
Something like Picard for 1-formsElsner✭✭0AnalysisMathOMan
Inequality for square summable complex series Retkes✭✭1Analysistigris35711
trace inequality✭✭0AlgebraMiwa Lin
Elementary symmetric of a sum of matrices✭✭✭0Algebrarscosa
Finite Lattice Representation Problem✭✭✭✭0Algebrawilliamdemeo
Sub-atomic product of funcoids is a categorical product✭✭0Algebraporton
inverse of an integer matrixGregory✭✭0Algebralvoyster
Graphs of exact colorings✭✭0Algebrasabisood
Waring rank of determinantTeitler✭✭0AlgebraZach Teitler

Imp.¹: Importance (Low ✭, Medium ✭✭, High ✭✭✭, Outstanding ✭✭✭✭)
Rec.²: Recommended for undergraduates.

Note: Resolved problems from this section may be found in Solved problems.

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