Articles; Alexander I. Bobenko, Nikolai Bobenko and Yuri B. Suris, Dimers and M-curves; Felix Rohrle and Dmitry Zakharov, A matroidal perspective on the tropical Prym variety; Yasuhiko Yamada, A Lax form for quantum $q$-$P_{\mathrm {VI}}$ equation; Andrei Grekov and Nikita Nekrasov, Elliptic Calogero-Moser system, crossed and folded instantons, and bilinear identities; G. Felder, A. Smirnov, V. Tarasov and A. Varchenko, Hypergeometric integrals, hook formulas and Whittaker vectors; Pavel Etingof and Alexander Varchenko, Periodic and quasi-motivic pencils of flat connections; Alexander Braverman and David Kazhdan, Hecke algebras for the 1st congruence subgroup and bundles on $\mathbb {P}^1$ I: the case of finite field; Ivan Cherednik, Discrete Poisson hardcore 1D model and applications; Eddy B. de Leon, Jorg Frauendiener and Christian Klein, Computational approach to the Schottky problem; Elliot Blackstone, Louise Gassot and Peter D. Miller, On Strong Zero-Dispersion Asymptotics for Benjamin-Ono Soliton Ensembles