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Problems · Vela Mathematics Program

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613 problems · 3/13NumberSourcesGraph view
declared proved (Lean)erdos:237
Erdős problem 237
number theoryprimesN/A4 sources
declared provederdos:240
Erdős problem 240
number theoryprimesN/A
declared provederdos:255
Erdős problem 255
discrepancyN/A
declared openerdos:256
Erdős problem 256
analysisN/A
declared openerdos:261
Erdős problem 261
number theoryN/A
declared solvederdos:262
Erdős problem 262
irrationalityN/A
declared openerdos:265
Erdős problem 265
irrationalityN/A
declared disprovederdos:270
Erdős problem 270
irrationalityA073016
declared openerdos:271
Erdős problem 271
additive combinatoricsarithmetic progressionsA005487
declared openerdos:278
Erdős problem 278
number theorycovering systemsN/A
declared provederdos:284
Erdős problem 284
number theoryunit fractionspossible
declared provederdos:286
Erdős problem 286
number theoryunit fractionsN/A
declared provederdos:292
Erdős problem 292
number theoryunit fractionsA092671
declared openerdos:293
Erdős problem 293
number theoryunit fractionspossible
declared provederdos:294
Erdős problem 294
number theoryunit fractionspossible
declared solvederdos:297
Erdős problem 297
number theoryunit fractionsA092670
declared solvederdos:300
Erdős problem 300
number theoryunit fractionsA390393
declared openerdos:301
Erdős problem 301
number theoryunit fractionsA390394
declared provederdos:305
Erdős problem 305
number theoryunit fractionspossible
declared provederdos:308
Erdős problem 308
number theoryunit fractionspossible
declared disprovederdos:309
Erdős problem 309
number theoryunit fractionsA217693
declared provederdos:310
Erdős problem 310
number theoryunit fractionsN/A
declared openerdos:311
Erdős problem 311
number theoryunit fractionsN/A
declared solvederdos:320
Let S(N)S(N) count the distinct values of ∑n∈A1/n\sum_{n\in A} 1/n over A⊆{1,…,N}A\subseteq\{1,\dots,N\}. Estimate S(N)S(N).
number theoryunit fractionsA0722072 sources
declared openerdos:322
Erdős problem 322
number theorypowersA025456 · A025418
declared openerdos:327
Erdős problem 327
number theoryunit fractionsA3849272 sources
declared openerdos:334
Erdős problem 334
number theoryA062241 · A045535
declared openerdos:335
Erdős problem 335
number theoryadditive combinatoricsN/A2 sources
declared openerdos:336
If h(r)h(r) is the maximal finite exact order attainable by an additive basis of order at most rr, what is lim⁡r→∞h(r)/r2\lim_{r \to \infty} h(r)/r^2? The candidate proof identifies the sharp limit 1/31/3.
number theoryadditive basispossible2 sources
declared openerdos:338
Erdős problem 338
number theoryadditive basisN/A
declared provederdos:339
Erdős problem 339
number theoryadditive basisN/A
declared provederdos:343
Erdős problem 343
number theorycomplete sequencesN/A
declared provederdos:344
Erdős problem 344
number theorycomplete sequencesN/A
declared openerdos:345
Erdős problem 345
number theorycomplete sequencesA0016612 sources
declared provederdos:356
Erdős problem 356
number theorypossible
declared solvederdos:360
Erdős problem 360
number theorypossible
declared provederdos:362
Erdős problem 362
number theorypossible
declared openerdos:365
Erdős problem 365
number theoryA060355 · A060859 · A175155
declared openerdos:367
Erdős problem 367
number theoryA0575213 sources
declared openerdos:368
Erdős problem 368
number theoryA0743993 sources
declared provederdos:372
Erdős problem 372
number theoryA071870
declared openerdos:374
Erdős problem 374
number theoryA388851 · A387184 · A389117 · A3891482 sources
declared provederdos:378
Erdős problem 378
number theorybinomial coefficientsN/A
declared provederdos:380
Erdős problem 380
number theoryA070003 · A388654 · A387054 · A3891003 sources
declared disprovederdos:381
Erdős problem 381
number theorydivisorsA002182
declared openerdos:382
Erdős problem 382
number theoryA388850
declared provederdos:384
Erdős problem 384
number theorybinomial coefficientsN/A
declared openerdos:388
Erdős problem 388
number theoryN/A2 sources
declared provederdos:391
Erdős problem 391
number theoryfactorialsA034258 · A034259
declared openerdos:393
Erdős problem 393
number theoryfactorialsA3883022 sources

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