https://arxiv.org/abs/2412.00172A shorter proof of the Four Colour TheoremWe give a pen and paper and (comparatively) much simpler proof to verify of the Four Colour Theorem.arxiv.org링크 짤리면arXiv에 A shorter proof of the Four colour theorem이라고 치면 됨
젊은분인데 한번 틀렸었는데 고쳐올렸네