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1011 problems

Open problems

Each problem states how progress is verified and what counts as a contribution. Besides the problems curated here, the catalogue includes open conjectures from Formal Conjectures (with Lean statements), optimization constants and the AlphaEvolve problems. Know one that belongs here? Propose a problem.

All fields Mathematics 12Computer science 1Physics & astronomy 5Chemistry & materials 2Life sciences 2Earth & society 2
Climate 1Earth science 1
Source Any Curated here 2
Verification AnyA · Machine-checkableB · ReproducibleC · Reviewed Tier AnyStandardHardGrand challenges

2 shown

B Hard Climate

Narrowing equilibrium climate sensitivity

Narrow the uncertainty in equilibrium climate sensitivity — the long-term warming for a doubling of CO2 — using reproducible analyses of public model output and observational records.

0claims
0verified
B Hard Earth science

Testable earthquake forecasting

Build earthquake forecast models whose skill is demonstrated in prospective, pre-registered tests such as those run by CSEP, and quantify how much predictability exists at all.

0claims
0verified

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