Title: Topics in Hyperplane Arrangements
Subjects: Algebraic spaces, Hyperspace, Geometry, plane, Incidence algebras, Plane Geometry, Combinatorics, Algebraic combinatorics, Combinatorial aspects of representation theory, Order, lattices, ordered algebraic structures, Ordered sets, Combinatorics of partially ordered sets, Algebraic aspects of posets, Modular lattices, complemented lattices, Semimodular lattices, geometric lattices, Associative rings and algebras, Representation theory of rings and algebras, Representations of Artinian rings, Nonassociative rings and algebras, Lie algebras and Lie superalgebras, Identities, free Lie (super)algebras, Group theory and generalizations, Special aspects of infinite or finite groups, Reflection and Coxeter groups, Semigroups, General structure theory, Semigroup rings, multiplicative semigroups of rings, Convex and discrete geometry, Discrete geometry, Arrangements of points, flats, hyperplanes, Enumerative combinatorics, Partitions of sets, $q$-calculus and related topics, Graph theory, Graphs and abstract algebra (groups, rings, fields, etc.), Symmetric functions and generalizations, Group actions on combinatorial structures, Combinatorial aspects of simplicial complexes, Category theory; homological algebra, Categories with structure, Operads, Homological algebra, Chain complexes, Permutation groups, Symmetric groups, Combinatorics -- Algebraic combinatorics -- Combinatorial aspects of representation theory, Order, lattices, ordered algebraic structures -- Ordered sets -- Combinatorics of partially ordered sets, Order, lattices, ordered algebraic structures -- Ordered sets -- Algebraic aspects of posets, Order, lattices, ordered algebraic structures -- Modular lattices, complemented lattices -- Semimodular lattices, geometric lattices, Associative rings and algebras -- Representation theory of rings and algebras -- Representations of Artinian rings, Nonassociative rings and algebras -- Lie algebras and Lie superalgebras -- Identities, free Lie (super)algebras, Group theory and generalizations -- Special aspects of infinite or finite groups -- Reflection and Coxeter groups, Group theory and generalizations -- Semigroups -- General structure theory, Group theory and generalizations -- Semigroups -- Semigroup rings, multiplicative semigroups of rings, Convex and discrete geometry -- Discrete geometry -- Arrangements of points, flats, hyperplanes, Combinatorics -- Enumerative combinatorics -- Partitions of sets, Combinatorics -- Enumerative combinatorics -- $q$-calculus and related topics, Combinatorics -- Graph theory -- Graphs and abstract algebra (groups, rings, fields, etc.)., Combinatorics -- Algebraic combinatorics -- Symmetric functions and generalizations, Combinatorics -- Algebraic combinatorics -- Group actions on combinatorial structures, Combinatorics -- Algebraic combinatorics -- Combinatorial aspects of simplicial complexes, Category theory; homological algebra -- Categories with structure -- Operads, Category theory; homological algebra -- Homological algebra -- Chain complexes, Group theory and generalizations -- Permutation groups -- Symmetric groups