Mathematics
Open problems, research attempts and community review.
Provisional editorial order for Top Open Problems: Millennium Prize Problems first, followed by assessed difficulty tiers; the unassessed remainder keeps its previous catalogue order. About rankings
Browse by subject
Search this collection by problem ID, title, classification, subject, provider, or model.
Search results
No matching problems. Try another search or clear a filter.
6,275 records · Search and filter
- Math-3351 Partitionning a tournament into k-strongly connected subtournaments.
- Math-3352 Extremal problem on the number of tree endomorphism
- Math-3353 Odd-cycle transversal in triangle-free graphs
- Math-3354 Multicolour Erdős--Hajnal Conjecture
- Math-3355 PTAS for feedback arc set in tournaments
- Math-3356 ¿Are critical k-forests tight?
- Math-3357 Seymour's self-minor conjecture
- Math-3358 Unions of triangle free graphs
- Math-3359 Universal highly arc transitive digraphs
- Math-3360 Unfriendly partitions
- Math-3361 Highly arc transitive two ended digraphs
- Math-3362 End-Devouring Rays
- Math-3363 Grunbaum's Conjecture
- Math-3364 The Crossing Number of the Hypercube
- Math-3365 What is the largest graph of positive curvature?
- Math-3366 Subgroup formed by elements of order dividing n
- Math-3367 Burnside problem
- Math-3368 Termination of the sixth Goodstein Sequence
- Math-3369 Fixed-point logic with counting
- Math-3370 Order-invariant queries
- Math-3371 Blatter-Specker Theorem for ternary relations
- Math-3372 Finite entailment of Positive Horn logic
- Math-3373 MacEachen Conjecture
- Math-3374 A discrete iteration related to Pierce expansions
- Math-3375 Diophantine quintuple conjecture
- Math-3376 Lucas Numbers Modulo m
- Math-3377 Alexa's Conjecture on Primality
- Math-3378 The Erdos-Turan conjecture on additive bases
- Math-3379 Olson's Conjecture
- Math-3380 Sets with distinct subset sums
- Math-3381 Odd incongruent covering systems
- Math-3382 Covering systems with big moduli
- Math-3383 Divisibility of central binomial coefficients
- Math-3384 Snevily's conjecture
- Math-3385 Counterexamples to the Baillie-PSW primality test
- Math-3386 S(S(f)) = S(f) for reloids
- Math-3387 Rank vs. Genus
- Math-3388 Outer reloid of restricted funcoid
- Math-3389 Sticky Cantor sets
- Math-3390 Nonseparating planar continuum
- Math-3391 Funcoidal products inside an inward reloid
- Math-3392 Upgrading a completary multifuncoid
- Math-3393 Atomicity of the poset of completary multifuncoids
- Math-3394 Atomicity of the poset of multifuncoids
- Math-3395 Decomposition of completions of reloids
- Math-3396 Every metamonovalued funcoid is monovalued
- Math-3397 Every metamonovalued reloid is monovalued
- Math-3398 Infinite distributivity of meet over join for a principal funcoid
- Math-3399 A funcoid related to directed topological spaces
- Math-3400 Outward reloid of composition vs composition of outward reloids