نتایج جستجو برای: quasi right left factorization structure
تعداد نتایج: 2007920 فیلتر نتایج به سال:
background: colorectal cancer is a common and lethal disease with various distribution of incidence in different part of the world and it is known as the third most common cause of cancer death in the world. since several studies in the world represented different survival rates for colorectal cancer in this study we aimed to determine the survival of a group of iranian patients and some relate...
Background: Conventional echocardiography and tissue Doppler imaging have been highlighted to diagnose diastolic and systolic heart dysfunction. We aimed to compare tissue Doppler imaging with conventional echocardiography to diagnose heart dysfunctions in diabetes mellitus type 1 (DMT1) patients. <s...
Left and right resolvents of left generalized Drazin invertible operators are introduced in this paper. The construction allows us to find, terms the coefficients Laurent series, new representation results for inverses associated spectral projections. Fundamental characterizations also obtained, using essentially range, quasi-nilpotent part analytic core.
In this paper, an efficient dropping criterion has been used to compute the IUL factorization obtained from Backward Factored APproximate INVerse (BFAPINV) and ILU factorization obtained from Forward Factored APproximate INVerse (FFAPINV) algorithms. We use different drop tolerance parameters to compute the preconditioners. To study the effect of such a dropping on the quality of the ILU ...
Let D be a digraph, V (D) and A(D) will denote the sets of vertices and arcs of D, respectively. A (k, l)-kernel N of D is a k-independent set of vertices (if u, v ∈ N , u 6= v, then d(u, v), d(v, u) ≥ k) and l-absorbent (if u ∈ V (D) − N then there exists v ∈ N such that d(u, v) ≤ l). A k-kernel is a (k, k − 1)-kernel. Quasi-transitive, right-pretransitive and left-pretransitive digraphs are g...
In this paper, we firstly show that the $N$-dual operation of the right residual implication, which is induced by a left-conjunctive right arbitrary $vee$-distributive left semi-uninorm, is the right residual coimplication induced by its $N$-dual operation. As a dual result, the $N$-dual operation of the right residual coimplication, which is induced by a left-disjunctive right arbitrary $wedge...
Let us note that every non empty loop structure which is add-left-cancelable and add-rightcancelable is also add-cancelable and every non empty loop structure which is add-cancelable is also add-left-cancelable and add-right-cancelable. Let us note that every non empty loop structure which is Abelian and add-right-cancelable is also add-left-cancelable and every non empty loop structure which i...
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