نتایج جستجو برای: χ2

تعداد نتایج: 4801  

2015
Lea Takács Jitka Mlíková Seidlerová Lenka Šulová Simona Horáková Hoskovcová

OBJECTIVE To identify the social psychological factors affecting women's evaluation of care provided in Czech maternity hospitals using following criteria: satisfaction with intrapartum and postpartum care, willingness to return to a given hospital and to recommend the hospital to others. METHODS 762 women completed a 71-item original Czech questionnaire KLI-P designed to measure the psychoso...

2018
Amnon Ta-Shma Dean Doron

1. χtrivial(x) = 1 for every x ∈ G is a character. It is called the trivial character. 2. If χ1 and χ2 are characters of G then so is χ1 · χ2 (where χ1 · χ2(x) = χ1(x)χ2(x)). 3. For every character χ of G and x ∈ G, |χ(x)| = 1 (the absolute norm is of course in C). In particular, if we define χ1(x) = χ1(x), then χ1 is also a character and χ · χ = χtrivial. 4. This implies that Ĝ = {χ ∈ C[G] | χ...

2017
Li Wang Xue-Ling Mei

BACKGROUND Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening diseases with high mortality rates. This study was designed to analyze the pathogenic factors, clinical manifestations, complications, treatment, and prognosis of SJS/TEN and to explore the differences between surviving and deceased patients. METHODS SJS/TEN patients admitted to Beijing Friends...

Journal: :Journal of Quantitative Linguistics 2013
Sean Wallis

A set of statistical tests termed contingency tests, of which χ is the most well-known example, are commonly employed in linguistics research. Contingency tests compare discrete distributions, that is, data divided into two or more alternative categories, such as alternative linguistic choices of a speaker or different experimental conditions. These tests are highly ubiquitous, and are part of ...

2017
Dong Jiang Xiao Luo Yingfang Ao Xi Gong Yong-jian Wang Hai-jun Wang Yu Miao Nan Li Ji-ying Zhang Jia-kuo Yu

BACKGROUND To evaluate the risk factor associated with total or subtotal meniscectomy for respective medial and lateral meniscus injury. METHODS The data of all the meniscus injured patients undergoing arthroscopy in our institute between January 15th, 2000 and December 31st, 2008 was collected and 6034 patients with 7241 injured menisci met the inclusion criteria. The mean patient age was 33...

Journal: :Discussiones Mathematicae Graph Theory 2012
Oleg V. Borodin Anna O. Ivanova

The trivial lower bound for the 2-distance chromatic number χ2(G) of any graph G with maximum degree ∆ is ∆+1. It is known that χ2 = ∆+1 if the girth g of G is at least 7 and ∆ is large enough. There are graphs with arbitrarily large ∆ and g ≤ 6 having χ2(G) ≥ ∆ + 2. We prove the 2-distance 4-colorability of planar subcubic graphs with g ≥ 22.

2011

One can construct a large swath of irreducible representations of G by taking all irreducible subquotients of the π(χ1, χ2). These are known as the principal series representations of G. To classify them, it is important to know the decomposition series of each π(χ1, χ2). It is not necessarily the case that π(χ1, χ2) is irreducible. For instance, π(| | , | |) = sm-IndGB 1 sits in an exact sequence

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