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Seagull problemSeymour✭✭✭0Graph Theory » Basic G.T. » Minorsmdevos
Seagull problem✭✭0Algebratigris35711
Sequence defined on multisetsErickson✭✭1CombinatoricsMartin Erickson
Sets with distinct subset sumsErdos✭✭✭0Number Theory » Combinatorial N.T.mdevos
Several ways to apply a (multivalued) multiargument function to a family of filtersPorton✭✭✭0Topologyporton
Seymour's r-graph conjectureSeymour✭✭✭0Graph Theory » Coloring » Edge coloringmdevos
Seymour's Second Neighbourhood ConjectureSeymour✭✭✭1Graph Theory » Directed Graphsnkorppi
Seymour's self-minor conjectureSeymour✭✭✭0Graph Theory » Infinite Graphsmdevos
Shannon capacity of the seven-cycle✭✭✭0Graph Theorytchow
Shuffle-Exchange ConjectureBeneš; Folklore; Stone✭✭✭0CombinatoricsVadim Lioubimov
Shuffle-Exchange Conjecture✭✭0Algebratigris35711
Shuffle-Exchange Conjecture (graph-theoretic form)Beneš; Folklore; Stone✭✭✭0Graph TheoryVadim Lioubimov
Sidorenko's ConjectureSidorenko✭✭✭0Graph TheoryJon Noel
Signing a graph to have small magnitude eigenvaluesBilu; Linial✭✭0Graph Theorymdevos
SimCity BuildIt Cheats Generator 2024 (No Human Verification)✭✭0Algebratigris35711
SimCity BuildIt Cheats Generator Free 2024 No Human Verification (New Update)✭✭0Algebratigris35711
SimCity BuildIt Cheats Generator No Human Verification (Without Surveys)✭✭0Algebratigris35711
Simplexity of the n-cube✭✭✭1Geometrymdevos
Simpsons Tapped Out Cheats Generator (New Working Cheats Generator 2024)✭✭0Algebratigris35711
Simpsons Tapped Out Cheats Generator Unlimited Cheats Generator (New 2024)✭✭0Algebratigris35711
Simpsons Tapped Out Cheats Generator Unlimited Cheats Generator IOS Android 2024 (get codes)✭✭0Algebratigris35711
Simultaneous partition of hypergraphsKühn; Osthus✭✭0Graph Theory » Hypergraphsfhavet
Singmaster's conjectureSingmaster✭✭1Number Theory » Combinatorial N.T.Zach Teitler
Slice-ribbon problemFox✭✭✭✭0Topologyrybu
Smooth 4-dimensional Poincare conjecturePoincare; Smale; Stallings✭✭✭✭0Topologyrybu
Smooth 4-dimensional Schoenflies problemAlexander✭✭✭✭0Topologyrybu
Snevily's conjectureSnevily✭✭✭1Number Theory » Combinatorial N.T.mdevos
Solution to the Lonely Runner Conjecture✭✭0Algebratigris35711
Something like Picard for 1-formsElsner✭✭0AnalysisMathOMan
Special PrimesGeorge BALAN✭1Number Theorymaththebalans
Splitting a digraph with minimum outdegree constraintsAlon✭✭✭0Graph Theory » Directed Graphsfhavet
Square achievement game on an n x n gridErickson✭✭1CombinatoricsMartin Erickson
Stable set meeting all longest directed paths.Laborde; Payan; Xuong N.H.✭✭0Graph Theoryfhavet
Star chromatic index of complete graphsDvorak; Mohar; Samal✭✭1Graph TheoryRobert Samal
Star chromatic index of cubic graphsDvorak; Mohar; Samal✭✭0Graph TheoryRobert Samal
Star Stable Free Star Coins Jorvik Coins Cheats 2024 Real Working New Method✭✭0Algebratigris35711
Sticky Cantor sets✭✭0Topologyporton
Strict inequalities for products of filtersPorton✭0Topologyporton
Strong 5-cycle double cover conjectureArthur; Hoffmann-Ostenhof✭✭✭1Graph Theory » Basic G.T. » Cyclesarthur
Strong colorabilityAharoni; Alon; Haxell✭✭✭0Graph Theory » Coloring » Vertex coloringberger
Strong edge colouring conjectureErdos; Nesetril✭✭0Graph Theory » Coloring » Edge coloringfhavet
Strong matchings and coversAharoni✭✭✭0Graph Theory » Infinite Graphsmdevos
Sub-atomic product of funcoids is a categorical product✭✭0Algebraporton
Subdivision of a transitive tournament in digraphs with large outdegree. Mader✭✭0Graph Theory » Directed Graphsfhavet
Subgraph of large average degree and large girth.Thomassen✭✭0Graph Theory » Basic G.T.fhavet
Subgroup formed by elements of order dividing nFrobenius✭✭0Group Theorydlh12
Subset-sums equality (pigeonhole version)✭✭✭0Theoretical Comp. Sci. » Complexitymdevos
Sum of prime and semiprime conjectureGeoffrey Marnell✭✭0Number Theoryprinceps
Sums of independent random variables with unbounded varianceFeige✭✭0Theoretical Comp. Sci.cwenner
Super Meat Boy Forever Points Cheats 2024 No Human Verification (Real)✭✭0Algebratigris35711

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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