[math/0511449] CCR and GCR Groupoid C*-algebras - arXiv.org
2005年11月17日 · We also show that $C^*(G)$ is GCR if and only if $\go/G$ is a $T_0$ topological space and all of the isotropy groups are GCR. Subjects: Operator Algebras (math.OA)
[1901.06056] GCR and CCR Steinberg algebras - arXiv.org
2019年1月18日 · In this paper we characterize when the algebra of an ample groupoid over a field is CCR and GCR. The results turn out to be exact analogues of the corresponding …
线性方程组(8)-共轭残差法 - 知乎 - 知乎专栏
广义共轭残差法 （Generalized conjugate residual method, GCR） 假设前 k-1 步使用的搜索方向是线性无关的向量 \vec {p_1},\vec {p_2},\dots,\vec {p_ {k-1}} ，而且前 k-1 步得到的 \vec {x}^ …
arXiv:1901.06056v2 [math.OA] 10 Aug 2019 GCR AND CCR STEINBERG ALGEBRAS LISA ORLOFF CLARK, BENJAMIN STEINBERG, AND DANIEL W VAN WYK Abstract. Kaplansky …
About GCR C*algebra - Mathematics Stack Exchange
2016年2月10日 · Let A A be a simple GCR C*-algebra and π: A → B(H) π: A → B (H) be an irreducible C*-algebra. Since A A is simple then π π is one to one and so it is an isometry. …
Understanding the Generalized Conjugate Residual (GCR) method.
2018年3月25日 · Understanding the Generalized Conjugate Residual (GCR) method. I'm given the following description of the GCR algorithm: I think I understand all the steps until: β = …
In how far are CCR and GCR C*-algebras interesting?
A GCR algebra is a C*-algebra $A$ such that $\mathrm{CCR}(A/J)\neq 0$ for all ideals $J\neq A$. Basically this means that the irreducible representations of C*-algebras contain all …
GCR and CCR Steinberg Algebras | Canadian Journal of Mathematics …
In this paper we characterize when the algebra of an ample groupoid over a field is CCR and GCR. The results turn out to be exact analogues of the corresponding characterization of …
On Generalized Constant Ratio Surfaces of Higher Codimension …
2019年6月21日 · In this paper, we introduce constant slope (CS) and generalized constant ratio (GCR) submanifolds with higher codimension in Euclidean spaces. We firstly obtain a …
A variable preconditioned GCR - ScienceDirect
2010年6月1日 · By numerical experiments on the singular linear systems, we demonstrate that the variable preconditioned GCR using GSOR is effective. 1. Introduction. Let us consider the …