Road coloring theorem 1970-01-01
Read the full article
Rota–Baxter algebra 1970-01-01
Read the full article
Rudin's conjecture 1970-01-01
Read the full article
Rule of division (combinatorics) 1970-01-01
Read the full article
Rule of product 1970-01-01
Read the full article
Seriation (statistics) 1970-01-01
Read the full article
Set packing 1970-01-01
Read the full article
Sharp-SAT 1970-01-01
Read the full article
Sicherman dice 1970-01-01
Read the full article
Sidon sequence 1970-01-01
Read the full article
Sim (pencil game) 1970-01-01
Read the full article
Singmaster's conjecture 1970-01-01
Read the full article
Sparse ruler 1970-01-01
Read the full article
Sperner's lemma 1970-01-01
Read the full article
Stable marriage problem 1970-01-01
Read the full article
Stable roommates problem 1970-01-01
Read the full article
Star of David theorem 1970-01-01
Read the full article
Star product 1970-01-01
Read the full article
Stirling permutation 1970-01-01
Read the full article
Sunflower (mathematics) 1970-01-01
Read the full article