No separate Wikipedia page -> just another Erdős problem. There is no universally agreed-upon "central" conjecture (like "P vs. NP" in CS), but here are some p

No separate Wikipedia page -> just another Erdős problem. There is no universally agreed-upon "central" conjecture (like "P vs. NP" in CS), but here are some pillars: 1) https://en.wikipedia.org/wiki/Happy_ending_problem https://en.wikipedia.org/wiki/Happy_ending_problem 2) https://en.wikipedia.org/wiki/Hadwiger_conjecture_(combinatorial_geometry) https://en.wikipedia.org/wiki/Hadwiger_conjecture_(combinato... 3) https://en.wikipedia.org/wiki/Hirsch_conjecture https://en.wikipedia.org/wiki/Hirsch_conjecture