JournalsjcaVol. 4, No. 1Volume 4, No. 1 (2020) Journal of Combinatorial Algebrapp. 1–59An affine almost positive roots modelNathan ReadingSalvatore Stellapp. 61–71Growth, relations and prime spectrum of monomial algebrasBe'eri Greenfeldpp. 73–85On the complexity of the cogrowth sequenceJason BellMarni Mishnapp. 87–109Polynomially weighted ℓp-completions and group homologyAlexander EngelC. Löh