Results 111 to 120 of about 96,750 (268)

On commutativity and approximation

Theoretical Computer Science, 1983
The paper deals with lower and upper bounds on the algebraic complexity of bilinear forms based on the rank of the corresponding tensors. It defines the ''commutative border rank'' (cbrk) of a tensor, which is a modification of the definition of ''rank'' so that it can be applied to algorithms that a) only need to approximate the solution and b) make ...
openaire   +2 more sources

Residually rationally solvable one‐relator groups

Bulletin of the London Mathematical Society, EarlyView.
Abstract We show that the intersection of the rational derived series of a one‐relator group is rationally perfect and is normally generated by a single element. As a corollary, we characterise precisely when a one‐relator group is residually rationally solvable.
Marco Linton
wiley   +1 more source

Torsion classes of extended Dynkin quivers over commutative rings

Bulletin of the London Mathematical Society, EarlyView.
Abstract For a Noetherian R$R$‐algebra Λ$\Lambda$, there is a canonical inclusion torsΛ→∏p∈SpecRtors(κ(p)Λ)$\mathop {\mathsf {tors}}\Lambda \rightarrow \prod _{\mathfrak {p}\in \operatorname{Spec}R}\mathop {\mathsf {tors}}(\kappa (\mathfrak {p})\Lambda)$, and each element in the image satisfies a certain compatibility condition.
Osamu Iyama, Yuta Kimura
wiley   +1 more source

Weighted Estimates for Commutators of -Dimensional Rough Hardy Operators [PDF]

, 2013
Zhuanxi Ren, Shuangping Tao
openalex   +1 more source

Commutative queries

Proceedings of the Fifth Israeli Symposium on Theory of Computing and Systems, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Beigel, Richard, Chang, Richard
openaire   +1 more source

Radical preservation and the finitistic dimension

Bulletin of the London Mathematical Society, EarlyView.
Abstract We introduce the notion of radical preservation and prove that a radical‐preserving homomorphism of left artinian rings of finite projective dimension with superfluous kernel reflects the finiteness of the little finitistic, big finitistic, and global dimension.
Odysseas Giatagantzidis
wiley   +1 more source

Combination of open covers with π1$\pi _1$‐constraints

Bulletin of the London Mathematical Society, EarlyView.
Abstract Let G$G$ be a group and let F$\mathcal {F}$ be a family of subgroups of G$G$. The generalised Lusternik–Schnirelmann category catF(G)$\operatorname{cat}_\mathcal {F}(G)$ is the minimal cardinality of covers of BG$BG$ by open subsets with fundamental group in F$\mathcal {F}$.
Pietro Capovilla, Kevin Li, Clara Löh
wiley   +1 more source

Generalized Commutators and the Moore-Penrose Inverse

, 2021
Irwin S. Pressman
openalex   +2 more sources

Model category structures on truncated multicomplexes for complex geometry

Bulletin of the London Mathematical Society, EarlyView.
Abstract To a bicomplex one can associate two natural filtrations, the column and row filtrations, and then two associated spectral sequences. This can be generalized to N$N$‐multicomplexes. We present a family of model category structures on the category of N$N$‐multicomplexes where the weak equivalences are the morphisms inducing a quasi‐isomorphism ...
Joana Cirici, Muriel Livernet, Sarah Whitehouse   +2 more
wiley   +1 more source

LOCAL COMMUTATORS AND DEFORMATIONS IN CONFORMAL CHIRAL QUANTUM FIELD THEORIES [PDF]

, 2011
Antonia Mitkova Kukhtina, Karl-Henning Rehren   +1 more
openalex   +1 more source