نتایج جستجو برای: شبکه z

تعداد نتایج: 185117  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1389

فرض کنید r یک حلقه ی جابجایی و یکدار باشد. z(r) را مجموعه ی مقسوم علیه های صفر و nil(r) را عناصر پوچتوان آن در نظر می گیریم. گراف مقسوم علیه های صفر r را روی مجموعه ی رئوس(r ) = z(r) /{0} z* با (r) ? نشان می-دهیم. دو راس متمایز x و y مجاور هستند اگرو تنها اگر xy=0. در این پایان نامه به مطالعه ی (r) ? برای حلقه هایی چون r می پردازیم که مقسوم علیه های صفر غیر بدیهی r در شرایط بخش پذیری معینی بین...

2013
Hanxiang Peng

Motivated by applications to goodness of fit degenerate U-statistics testing, the Jackknife empirical likelihood approach for U-statistics is generalized to degenerate U-statistics. The proposed empirical likelihood based goodness of fit tests are asymptotically distribution free. The asymptotic theory for testing shift of location, spatial depth testing for central symmetry, Cramér-von Mises t...

Journal: :Remote Sensing 2017
Xiang Zhang Chehan Wei Renee Obringer Deren Li Nengcheng Chen Dev Niyogi

Different drought indices often provide different diagnoses of drought severity, making it difficult to determine the best way to evaluate these different drought monitoring results. Additionally, the ability of a newly proposed drought index, the Process-based Accumulated Drought Index (PADI) has not yet been tested in United States. In this study, we quantified the severity of 2012 drought wh...

2006
Rachel M Cole Rachel Cole

...........................................................................2 Introduction .......................................................................3 Materials and Methods..........................................................7 Results...........................................................................13 Discussion.............................................................

2005
Jonathan P. BOWEN

1 Z 3 Jonathan P. BOWEN 1.1 Overview of the Z Notation . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.1 The Process of Producing a Z Specification . . . . . . . . . . 4 1.2 Analysis and Specification of Case 1 . . . . . . . . . . . . . . . . . . 5 1.3 Analysis and Specification of Case 2 . . . . . . . . . . . . . . . . . . 13 1.4 Validation of the Specification . . . . . . . . . . . . . . ...

Journal: :IBM Research Report 1975
Jim Gray Vera Watson

Journal: :Proteins 2010
Shashi B Pandit Jeffrey Skolnick

In a variety of threading methods, often poorly ranked (low z-score) templates have good alignments. Here, a new method, TASSER_low-zsc that identifies these low z-score-ranked templates to improve protein structure prediction accuracy, is described. The approach consists of clustering of threading templates by affinity propagation on the basis of structural similarity (thread_cluster) followed...

Journal: :bulletin of the iranian mathematical society 2014
themba dube oghenetega ighedo

let $l$ be a completely regular frame and $mathcal{r}l$ be the ‎ring of continuous real-valued functions on $l$‎. ‎we show that the‎ ‎lattice $zid(mathcal{r}l)$ of $z$-ideals of $mathcal{r}l$ is a‎ ‎normal coherent yosida frame‎, ‎which extends the corresponding $c(x)$‎ ‎result of mart'{i}nez and zenk‎. ‎this we do by exhibiting‎ ‎$zid(mathcal{r}l)$ as a quotient of $rad(mathcal{r}l)$‎, ‎the‎ ‎...

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