Robuta

https://arxiv.org/abs/2009.04052 [2009.04052] The abc Conjecture Implies That Only Finitely Many s-Cullen Numbers Are Repunits Abstract page for arXiv paper 2009.04052: The abc Conjecture Implies That Only Finitely Many s-Cullen Numbers Are Repunits https://arxiv.org/abs/2001.04052 [2001.04052] Commutative classifying space for simplicial groups Abstract page for arXiv paper 2001.04052: Commutative classifying space for simplicial groups classifying space 2001 04052 commutative simplicial