Intro -- Contents -- Preface -- List of Participants -- List of Talks -- Survey Papers -- Recent results on ring constructions for error-correcting codes -- Algebras determined by their left and right parts -- The work of Roberto Martínez-Villa -- A survey on fat points on a smooth quadric -- Bautista and the development of the representation theory of Artin algebras -- A survey on Nichols algebras -- Approximations by modules of G-dimension zero -- Research Articles -- Representations of matched pairs of groupoids and applications to weak Hopf algebras -- On symmetries of quasicrystals -- Frattini-type and Fitting-type subgroups -- Representations of the quantum algebra suq(1, 1) and duality of q-orthogonal polynomials -- Internal bialgebroids, entwining structures and corings -- The A2 Ocneanu quantum groupoïd -- Skew Armendariz rings and annihilator ideals of skew polynomial rings -- Quantum symmetric algebras as braided Hopf algebras -- Blowup algebras of ideals of vertex covers of bipartite graphs -- Minimal elements in the poset of tilting modules -- Dynamical twists and quantization -- On the combinatorial rank of Hopf algebras -- A tensor product of projective G-groups -- The minimum degree of a surface that passes through all the points of a 0-dimensional scheme but a point P -- Primitive ideals and Jacobson radicals in Hopf Galois extensions -- On the algebraic decomposition of a centralizer algebra of the hyperoctahedral group -- Quantum group global symmetries of quantum chains. States for linear chains with left end open and right end closed -- One-sided Hopf algebras -- BTZ black hole and Jacobi inversion for fundamental domains of infinite volume -- Galois correspondence theorem for Hopf algebra actions -- On two-point differentiation and its generalization.