Ben Green — 100 Open Problems
All 100 original numbers indexed by PDF page. Source-marked solved entries remain visibly labeled in the catalogue. Available formalizations are linked separately; the author PDF is not republished.
100 catalogue entries · 0 new problem records · 46 catalogue entries linked to problem records
Catalogue entries can be source pointers, solved items or groups of questions. They are not added to the main problem count. Status reflects the saved source, inspected 2026-09-10.
Original collection ↗Attribution and reuse
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100 matching entries
Clear filtersProblem 1
Source marks solved1. Sum-free sets, product-free sets · PDF page 2
Problem 2
Status unassessed1. Sum-free sets, product-free sets · PDF page 3
Problem 3
Status unassessed1. Sum-free sets, product-free sets · PDF page 4
Problem 4
Source marks solved1. Sum-free sets, product-free sets · PDF page 4
Problem 5
Status unassessed1. Sum-free sets, product-free sets · PDF page 4
Problem 6
Status unassessed1. Sum-free sets, product-free sets · PDF page 5
Problem 7
Status unassessed1. Sum-free sets, product-free sets · PDF page 5
Problem 8
Status unassessed1. Sum-free sets, product-free sets · PDF page 5
Problem 9
Status unassessed2. Arithmetic progressions and other configurations · PDF page 6
Problem 10
Status unassessed2. Arithmetic progressions and other configurations · PDF page 7
Problem 11
Status unassessed2. Arithmetic progressions and other configurations · PDF page 8
Problem 12
Status unassessed2. Arithmetic progressions and other configurations · PDF page 9
Problem 13
Status unassessed2. Arithmetic progressions and other configurations · PDF page 9
Problem 14
Source marks solved2. Arithmetic progressions and other configurations · PDF page 9
Problem 15
Status unassessed2. Arithmetic progressions and other configurations · PDF page 10
Problem 16
Status unassessed2. Arithmetic progressions and other configurations · PDF page 10
Problem 17
Status unassessed2. Arithmetic progressions and other configurations · PDF page 11
Problem 18
Status unassessed2. Arithmetic progressions and other configurations · PDF page 11
Problem 19
Source marks solved2. Arithmetic progressions and other configurations · PDF page 12
Problem 20
Status unassessed2. Arithmetic progressions and other configurations · PDF page 12
Problem 21
Status unassessed2. Arithmetic progressions and other configurations · PDF page 13
Problem 22
Status unassessed2. Arithmetic progressions and other configurations · PDF page 14
Problem 23
Source marks solved3. Sumsets and bases · PDF page 15
Problem 24
Status unassessed3. Sumsets and bases · PDF page 15
Problem 25
Status unassessed3. Sumsets and bases · PDF page 15
Problem 26
Source marks solved3. Sumsets and bases · PDF page 15
Problem 27
Status unassessed4. Sidon sets and related questions · PDF page 16
Problem 28
Status unassessed4. Sidon sets and related questions · PDF page 16
Problem 29
Status unassessed4. Sidon sets and related questions · PDF page 16
Problem 30
Status unassessed4. Sidon sets and related questions · PDF page 16
Problem 31
Status unassessed4. Sidon sets and related questions · PDF page 17
Problem 32
Status unassessed4. Sidon sets and related questions · PDF page 17
Problem 33
Status unassessed4. Sidon sets and related questions · PDF page 18
Problem 34
Status unassessed4. Sidon sets and related questions · PDF page 18
Problem 35
Status unassessed4. Sidon sets and related questions · PDF page 19
Problem 36
Status unassessed4. Sidon sets and related questions · PDF page 19
Problem 37
Status unassessed5. Covering and packing · PDF page 20
Problem 38
Status unassessed5. Covering and packing · PDF page 20
Problem 39
Status unassessed5. Covering and packing · PDF page 20
Problem 40
Status unassessed5. Covering and packing · PDF page 20
Problem 41
Status unassessed6. Sieving · PDF page 21
Problem 42
Status unassessed6. Sieving · PDF page 21
Problem 43
Status unassessed6. Sieving · PDF page 22
Problem 44
Status unassessed6. Sieving · PDF page 22
Problem 45
Status unassessed6. Sieving · PDF page 23
Problem 46
Status unassessed6. Sieving · PDF page 23
Problem 47
Status unassessed6. Sieving · PDF page 23
Problem 48
Status unassessed6. Sieving · PDF page 23
Problem 49
Source marks solved7. Additive combinatorics · PDF page 24
Problem 50
Status unassessed7. Additive combinatorics · PDF page 25