نتایج جستجو برای: rank reversal
تعداد نتایج: 106879 فیلتر نتایج به سال:
In this note, all chromatic equivalence classes for 2-connected 3-chromatic graphs with five triangles and cyclomatic number six are described. New families of chromatically unique graphs of order n are presented for each n ≥ 8. This is a generalization of a result stated in [5]. Moreover, a proof for the conjecture posed in [5] is given.
A space X is called an α-Toronto space if X is scattered of Cantor– Bendixson rank α and is homeomorphic to each of its subspaces of the same rank. We answer a question of Steprāns by constructing a countable α-Toronto space for each α ≤ ω. We also construct consistent examples of countable α-Toronto spaces for each
For a graph G let μ(G) denote the cyclomatic number and let ν(G) denote the maximum number of edge-disjoint cycles of G. We prove that for every k ≥ 0 there is a finite set P(k) such that every 2-connected graph G for which μ(G)− ν(G) = k arises by applying a simple extension rule to a graph in P(k). Furthermore, we determine P(k) for k ≤ 2 exactly.
Cluster multipole orderings composed of atomic high-rank moments are theoretically investigated with a 5d-electron compound Ca5Ir3O12 in mind. exhibits two hidden orders: One is an intermediate-temperature phase time-reversal symmetry and the other low-temperature without symmetry. By performing augmented analyses for d-orbital model under hexagonal point group D3h, we find that 120°-type order...
Background: Vasectomy is a widespread contraceptive method in men. In recent years, the number of men who perform vasectomy reversal is increasing. Vasectomy has complications, probably leading to vasectomy reversal failure. It is assumed that oxidative stress is the main cause of these complications. The aim of this study was to investigate the indices of oxidative stress serum after vasecto...
Clinical utility of phosphodiesterase 4 (PDE4) inhibitors as anti-inflammatory agents has, to date, been limited by adverse effects including nausea and emesis, making accurate assessment of emetic versus anti-inflammatory potencies critical to the development of inhibitors with improved therapeutic indices. In the present study we determined the in vitro and in vivo anti-inflammatory potencies...
January 15, 2017 Version 3.0.0 Date 2016-09-16 Title Rank Product method for identifying differentially expressed genes with application in meta-analysis Author Francesco Del Carratore , Andris Janckevics Fangxin Hong , Ben Wittner , Rainer Breitling <r.breitling...
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