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Related papers: On the category of (i,j)-Baire Bilocales

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Let M be a factor of type II_\infty or II_1 having separable predual and let M-bar be the algebra of affiliated \tau-measureable operators. We characterize the commutator space [I,J] for sub-(M,M)-bimodules I and J of M-bar.

Operator Algebras · Mathematics 2007-05-23 K. J. Dykema , N. J. Kalton

A topological space $X$ is Baire if the intersection of any sequence of open dense subsets of $X$ is dense in $X$. One of the interesting problems for the space of Baire functions is the Banakh-Gabriyelyan problem: Let $\alpha$ be a…

General Topology · Mathematics 2025-03-06 Alexander V. Osipov

In this paper we construct the category of birational spaces as the category in which Temkin's relative Riemann-Zariski spaces are naturally included. Furthermore we develop an analogue of Raynaud's theory. We prove that the category of…

Algebraic Geometry · Mathematics 2013-12-02 Uri Brezner

We introduce an idea for generalization of a local cohomology module, which we call a local cohomology module with respect to a pair of ideals (I,J), and study their various properties. Some vanishing and nonvanishing theorems are given for…

Commutative Algebra · Mathematics 2008-08-01 Ryo Takahashi , Yuji Yoshino , Takeshi Yoshizawa

The (co)associative, partially (co)associative and totally (co)associative $3$-ary (co) algebras and infinitesimal bialgebras are constructed and discussed. Their trimodules and matched pairs are defined and completely characterized. The…

Rings and Algebras · Mathematics 2016-12-06 Mahouton Norbert Hounkonnou , Gbêvèwou Damien Houndedji

We define a transverse Dolbeault cohomology associated to any almost complex structure $j$ on a smooth manifold $M$. This we do by extending the notion of transverse complex structure and by introducing a natural j-stable involutive limit…

Differential Geometry · Mathematics 2022-08-29 Michel Cahen , Jean Gutt , Simone Gutt

We give a combinatorial characterization of the identities holding in the semiring of all upper triangular Boolean $n\times n$-matrices and apply the characterization to computational complexity of identity checking, finite axiomatizability…

Group Theory · Mathematics 2025-10-08 Mikhail V. Volkov

Categories of partial functions have become increasingly important principally because of their applications in theoretical computer science. In this note we prove that the category of partial bijections between sets as an…

Discrete Mathematics · Computer Science 2009-03-06 Emil Schwab

In this extended note we give a precise definition of fully extended topological field theories \`a la Lurie. Using complete $n$-fold Segal spaces as a model, we construct an $(\infty,n)$-category of $n$-dimensional cobordisms, possibly…

Algebraic Topology · Mathematics 2019-03-20 Damien Calaque , Claudia Scheimbauer

We extend to semi-abelian categories the notion of characteristic subobject, which is widely used in group theory and in the theory of Lie algebras. Moreover, we show that many of the classical properties of characteristic subgroups of a…

Category Theory · Mathematics 2013-11-22 Alan S. Cigoli , Andrea Montoli

Brauer algebras form a tower of cellular algebras. There is a well-defined notion of limiting blocks for these algebras. In this paper we give a complete description of these limiting blocks over any field of positive characteristic. We…

Representation Theory · Mathematics 2012-12-27 Oliver King

Various definitions of chiral observables in a given Moebius covariant two-dimensional theory are shown to be equivalent. Their representation theory in the vacuum Hilbert space of the 2D theory is studied. It shares the general…

High Energy Physics - Theory · Physics 2008-11-26 K. -H. Rehren

A topological space $X$ is Baire if the Baire Category Theorem holds for $X$, i.e., the intersection of any sequence of open dense subsets of $X$ is dense in $X$. One of the interesting problems in the theory of functional spaces is the…

General Topology · Mathematics 2024-09-05 Alexander V. Osipov

By considering intrinsic geometric conditions, we introduce a new class of domains in complex Euclidean space. This class is invariant under biholomorphism and includes strongly pseudoconvex domains, finite type domains in dimension two,…

Complex Variables · Mathematics 2020-09-08 Andrew Zimmer

We study the maps between topological spaces whose composition with Baire class $\alpha$ maps also belongs to the $\alpha$'th Baire class and give characterizations of such maps

General Topology · Mathematics 2015-12-01 Olena Karlova , Volodymyr Mykhaylyuk

A topological space $X$ is Baire if the Baire Category Theorem holds for $X$, i.e., the intersection of any sequence of open dense subsets of $X$ is dense in $X$. In this paper, we have obtained that the space $B^{st}_1(X)$ of pointwise…

General Topology · Mathematics 2022-06-06 Alexander V. Osipov

A classical set of birational invariants of a variety are its spaces of pluricanonical forms and some of their canonically defined subspaces. Each of these vector spaces admits a typical metric structure which is also birationally…

Algebraic Geometry · Mathematics 2009-11-13 Chen-Yu Chi , Shing-Tung Yau

We develop the bialgebra theory for two classes of non-associative algebras: nearly associative algebras and $LR$-algebras. In particular, building on recent studies that reveal connections between these algebraic structures, we establish…

Rings and Algebras · Mathematics 2025-02-25 Elisabete Barreiro , Saïd Benayadi , Carla Rizzo

For a Tychonoff space $X$ and a subspace $Y\subset\mathbb R$, we study Baire category properties of the space $C_{\downarrow F}(X,Y)$ of continuous functions from $X$ to $Y$, endowed with the Fell hypograph topology. We characterize pairs…

General Topology · Mathematics 2021-11-02 Leijie Wang , Taras Banakh

We present in a unified setting the foundations for a theory of non-bilinear Dirichlet functionals on Hilbert spaces. We prove known and new equivalences between non-linear semigroups, non-linear resolvents, non-linear generators, and their…

Functional Analysis · Mathematics 2025-10-06 Giovanni Brigati , Lorenzo Dello Schiavo