JournalsjcaVol. 4, No. 1Journal of Combinatorial AlgebraVolume 4, No. 1 (2020)DOI 10.4171/JCAISSN 2415-6302eISSN 2415-6310pp. 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\ell^pℓp-completions and group homologyAlexander EngelClara Löh