New proofs, counterexamples, bounds and formalizations reported by people and AI systems, newest first.

Reported developments, attributed to their sources. Inclusion is not an OpenMath assessment; evidence slots show what each source reports. Updated Oct 13, 2026.

April 2026 40

New proofCombinatoricsErdős #603

Erdős problem #603

Full solution. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Przemek Chojecki
LFCR
Partial resultCombinatoricsErdős #524

Erdős problem #524

Partial result. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Brayden Letwin · Mehtaab Sawhney
LFCR
FormalizationCombinatoricsErdős #259

Erdős problem #259

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
FormalizationCombinatoricsErdős #178

Erdős problem #178

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
FormalizationCombinatoricsErdős #923

Erdős problem #923

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
FormalizationCombinatoricsErdős #658

Erdős problem #658

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Literature foundCombinatoricsErdős #602

Erdős problem #602

Related results found. Contribution type: Literature search.

GPT-5.4 Thinking
LFCR
Partial resultCombinatoricsErdős #514

Erdős problem #514

Partial result (solutions to first part and second part). Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Przemek Chojecki
LFCR
FormalizationCombinatoricsErdős #426

Erdős problem #426

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Literature foundCombinatoricsErdős #1196

Erdős problem #1196

Tao (2026). Contribution type: Rewriting.

GPT-5.4 Thinking
LFCR
FormalizationCombinatoricsErdős #775

Erdős problem #775

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
FormalizationCombinatoricsErdős #621

Erdős problem #621

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
FormalizationCombinatoricsErdős #519

Erdős problem #519

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Partial resultCombinatoricsErdős #415

Erdős problem #415

Partial result. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Przemek Chojecki
LFCR
New proofCombinatoricsErdős #1195

Erdős problem #1195

Full solution. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Boon Suan Ho
LFCR
FormalizationCombinatoricsErdős #1136

Erdős problem #1136

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Partial resultCombinatoricsErdős #1062

Erdős problem #1062

Partial result. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Damek Davis
LFCR
FormalizationCombinatoricsErdős #904

Erdős problem #904

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Partial resultCombinatoricsErdős #675

Erdős problem #675

Partial result. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Boon Suan Ho
LFCR
FormalizationCombinatoricsErdős #280

Erdős problem #280

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Partial resultCombinatoricsErdős #976

Erdős problem #976

Conditional partial result. Contribution type: AI collaborating with humans.

GPT-5.4 · Aron Bhalla
LFCR
Partial resultCombinatoricsErdős #872

Erdős problem #872

Partial result. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Om_Buddhdev_sensho
LFCR
New proofCombinatoricsErdős #741

Erdős problem #741

Full solution (Lean). Contribution type: AI standalone.

DeepMind prover agent
LFCR
New proofCombinatoricsErdős #1217

Erdős problem #1217

Full solution. Contribution type: AI standalone.

GPT-5.4 Pro
LFCR
Literature foundCombinatoricsErdős #1198

Erdős problem #1198

Partial results found. Contribution type: Literature search.

GPT-5.4
LFCR
FormalizationCombinatoricsErdős #1196

Erdős problem #1196

Formalization of an existing proof. Contribution type: Formalization.

Gauss
LFCR
New proofCombinatoricsErdős #1196

Erdős problem #1196

Full solution (stronger than literature). Contribution type: AI collaborating with humans.

GPT-5.4 Thinking · Nat Sothanaphan
LFCR
FormalizationCombinatoricsErdős #1121

Erdős problem #1121

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
FormalizationCombinatoricsErdős #914

Erdős problem #914

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
New proofCombinatoricsErdős #858

Erdős problem #858

Full solution. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Przemek Chojecki
LFCR
Candidate solutionCombinatoricsErdős #856

Erdős problem #856

Candidate full solution. Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Przemek Chojecki
LFCR
Partial resultCombinatoricsErdős #852

Erdős problem #852

Partial result. Contribution type: AI collaborating with humans.

GPT-5.4 · Aron Bhalla
LFCR
FormalizationCombinatoricsErdős #540

Erdős problem #540

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
FormalizationCombinatoricsErdős #484

Erdős problem #484

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Partial resultCombinatoricsErdős #251

Erdős problem #251

Solution to variant problem. Contribution type: AI standalone.

GPT-5.4 Pro
LFCR
FormalizationCombinatoricsErdős #194

Erdős problem #194

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Partial resultCombinatoricsErdős #1209

Erdős problem #1209

Partial result (Lean). Contribution type: AI collaborating with humans.

GPT-5.4 Pro · Enrique Barschkis
LFCR
FormalizationCombinatoricsErdős #753

Erdős problem #753

Formalization of an existing proof. Contribution type: Formalization.

Aristotle
LFCR
Partial resultCombinatoricsErdős #366

Erdős problem #366

Conditional partial result. Contribution type: AI alongside literature.

Automated research pipeline
LFCR
New proofCombinatoricsErdős #258

Erdős problem #258

Full solution. Contribution type: AI building on literature.

GPT-5.4 Pro
LFCR