Includes bibliographical references.

Recent results on ring constructions for error-correcting codes / Ricardo Alfaro and Andrei Kelarev -- Algebras determined by their left and right parts / Ibrahim Assem, Fl�avio U. Coelho, Marcelo Lanzilotta, David Smith and Sonia Trepode -- The work of Roberto Mart�inez-Villa / Edward L. Green -- A survey on fat points on a smooth quadric / Elena Guardo -- Bautista and the development of the representation theory of Artin algebras / Claus Michael Ringel -- A survey on Nichols algebras / Mitsuhiro Takeuchi -- Approximations by modules of $G$-dimension zero / Yuji Yoshino -- Representations of matched pairs of groupoids and applications to weak Hopf algebras / Marcelo Aguiar and Nicol�as Andruskiewitsch -- On symmetries of quasicrystals / Vyacheslav A. Artamonov -- Frattini-type and Fitting-type subgroups / M. J. Asiain -- Representations of the quantum algebra ${\rm su}_q(1,1)$ and duality of $q$-orthogonal polynomials / N. M. Atakishiyev and A. U. Klimyk -- Internal bialgebroids, entwining structures and corings / Gabriella B�ohm -- The $A_2$ Ocneanu quantum groupo�id / R. Coquereaux -- Skew Armendariz rings and annihilator ideals of skew polynomial rings / Wagner Cortes -- Quantum symmetric algebras as braided Hopf algebras / Delia Flores de Chela -- Blowup algebras of ideals of vertex covers of bipartite graphs / Isidoro Gitler, Enrique Reyes and Rafael H. Villarreal -- Minimal elements in the poset of tilting modules / Dieter Happel and Luise Unger -- Dynamical twists and quantization / E. Karolinsky, A. Stolin and V. Tarasov -- On the combinatorial rank of Hopf algebras / V. K. Kharchenko and A. Andrade �Alvarez -- A tensor product of projective $G$-groups / I. Lizasoain -- The minimum degree of a surface that passes through all the points of a 0-dimensional scheme but a point $P$ / Lucia Marino -- Primitive ideals and Jacobson radicals in Hopf Galois extensions / S. Montgomery -- On the algebraic decomposition of a centralizer algebra of the hyperoctahedral group / Rosa C. Orellana -- Quantum group global symmetries of quantum chains. States for linear chains with left end open and right end closed / Suemi Rodr�iguez-Romo -- One-sided Hopf algebras / Suemi Rodr�iguez-Romo and Earl J. Taft -- BTZ black hole and Jacobi inversion for fundamental domains of infinite volume / Floyd L. Williams -- Galois correspondence theorem for Hopf algebra actions / Tadashi Yanai -- On two-point differentiation and its generalization / Alexander G. Zavadskij --

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Electronic reproduction. Providence, Rhode Island : American Mathematical Society. 2012

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