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Number Theory


TitleAuthor(s)Imp.¹Rec.²Topic » Subtopicsort iconPosted by
Lonely runner conjectureCusick; Wills✭✭✭0mdevos
MacEachen ConjectureMcEachen✭1billymac00
Goldbach conjectureGoldbach✭✭✭✭1Benschop
Chowla's cosine problemChowla✭✭✭0mdevos
Quartic rationally derived polynomialsBuchholz; MacDougall✭✭✭0mdevos
A discrete iteration related to Pierce expansionsShallit✭✭1shallit
Algebraic independence of pi and e✭✭✭0porton
Schanuel's ConjectureSchanuel✭✭0Charles
Sum-product problemErdos; Szemeredi✭✭✭0mdevos
Diophantine quintuple conjecture✭✭1maxal
Twin prime conjecture✭✭✭✭0kaushiks.nitt
The Erdos-Turan conjecture on additive basesErdos; Turan✭✭✭✭0Additive N.T.mdevos
Odd perfect number✭✭✭0Additive N.T.azi
The Riemann HypothesisRiemann✭✭✭✭0Analytic N.T.eric
Distribution and upper bound of mimic numbersBhattacharyya✭✭✭1Analytic N.T.facility_cttb@i...
Olson's ConjectureOlson✭✭0Combinatorial N.T.mdevos
Few subsequence sums in Z_n x Z_nBollobas; Leader✭✭0Combinatorial N.T.mdevos
Gao's theorem for nonabelian groupsDeVos✭✭0Combinatorial N.T.mdevos
Sets with distinct subset sumsErdos✭✭✭0Combinatorial N.T.mdevos
The 3n+1 conjectureCollatz✭✭✭0Combinatorial N.T.dododododo
Odd incongruent covering systemsErdos; Selfridge✭✭✭0Combinatorial N.T.Robert Samal
Covering systems with big moduliErdos; Selfridge✭✭0Combinatorial N.T.Robert Samal
Divisibility of central binomial coefficientsGraham✭✭1Combinatorial N.T.maxal
Davenport's constant✭✭✭0Combinatorial N.T.mdevos
Snevily's conjectureSnevily✭✭✭1Combinatorial N.T.mdevos
Frobenius number of four or more integers✭✭1Combinatorial N.T.maxal
Does every odd number coprime to its Euler totient divide some Carmichael number?Michon✭✭1Computational N.T.maxal
A sextic counterexample to Euler's sum of powers conjectureEuler✭✭1Computational N.T.maxal
Counterexamples to the Baillie-PSW primality test✭✭1Computational N.T.maxal
Fibonacci divisibility✭0Computational N.T.adudzik
Magic square of squaresLaBar✭✭1Computational N.T.maxal

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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