Volume 4, No. 4 (2020)
Journal of Combinatorial Algebra
pp. 325–358 Keys and Demazure crystals for Kac–Moody algebrasNicolas JaconCédric Lecouvey
DOI 10.4171/JCA/46pp. 359–367 A new bound for smooth spline spacesHal SchenckMike StillmanBeihui Yuan
DOI 10.4171/JCA/43pp. 369–395 An explicit construction of the universal division ring of fractions ofAndrei Jaikin-Zapirain
DOI 10.4171/JCA/47pp. 397–446 Affine hyperplane arrangements and Jordan classesGiovanna CarnovaleFrancesco Esposito
DOI 10.4171/JCA/48