نتایج جستجو برای: Pseudo-addition

تعداد نتایج: 760525  

Journal: :sahand communications in mathematical analysis 0
bayaz daraby department of mathematics, university of maragheh, maragheh, iran.

in this paper, some results of the chebyshev type integral inequality for the pseudo-integral are proven. the obtained results, are related to the measure of a level set of the maximum and the sum of two non-negative integrable functions. finally, we applied our results  to the case of comonotone functions.

2004
Yujun Wu Dennis D. Boos Leonard A. Stefanski Marc G. Genton Hao Helen Zhang

WU, YUJUN. Controlling variable selection by the addition of pseudo-variables. (Under the direction of Dr. Dennis D. Boos and Dr. Leonard A. Stefanski) Many variable selection procedures have been developed in the literature for linear regression models. We propose a new and general approach, the False Selection Rate (FSR) method, to control variable selection with the advantage of being applic...

2014
Celestin LELE Jean B. NGANOU

A pseudo-addition in BL-algebras is a binary operation that is associative and non commutative. The aim of this paper is to use the notion of pseudo-addition to study the notion of ideal and fuzzy ideal as a natural generalization of that of ideal and fuzzy ideal in MV-algebras. Using a pseudo-addition, we characterize fuzzy ideals and also obtain a concrete description of the fuzzy ideals gene...

Journal: :Discrete & Computational Geometry 2001
Shuhong Gao Alan G. B. Lauder

Motivated by a connection with the factorization of multivariable polynomials, we study integral convex polytopes and their integral decompositions in the sense of the Minkowski sum. We first show that deciding decomposability of integral polygons is NP-complete then present a pseudo-polynomial time algorithm for decomposing polygons. For higher dimensional polytopes, we give a heuristic algori...

Journal: :journal of advances in environmental health research 0
ali akbar babaei environmental technologies research center and department of environmental health engineering, school of public health, ahvaz jundishapur university of medical sciences, ahvaz, iran

the kinetic study of methylene blue (mb) adsorption using acid-activated spent tea (aast) as an adsorbent from aqueous solution with the aim of comparing linear and non-linear regression analysis methods was performed at varying initial mb concentrations (10-100 mg/l). hence, spent tea leaves, which were activated using concentrated sulfuric acid, were prepared. the physicochemical characterist...

Journal: :journal of chemical health risks 0
soheil sobhanardakani department of the environment, college of basic sciences, hamedan branch, islamic azad university, hamedan, iran raziyeh zandipak young researchers & elite club, hamedan branch, islamic azad university, hamedan, iran mohadeseh bonyadi department of fisheries, college of agriculture & natural resources, university of tehran, karaj, iran hassan parvizimosaed young researchers & elite club, hamedan branch, islamic azad university, hamedan, iran mehran moslemi department of fisheries, jouybar branch, islamic azad university, jouybar, iran mahsa tahergorabi tahergorabi school of public health, kerman university of medical sciences, kerman, iran

in this research, chitosan was used for the removal of cr (vi) ions from aqueous solution. the effect of parameters like solution ph, initial cr (vi) concentration, agitation time, amount of adsorbent and agitation speed on the adsorption process was studied. the experimental equilibrium data were analyzed by using various models such as langmuir and freundlich. freundlich isotherm model fitted...

2009
János Fodor Danuta Zakrzewska Ernestina Menasalvas Ernesto Damiani Jechang Jeong Robert J. Howlett Jeng-Shyang Pan Hsiang-Cheh Huang Marek R. Ogiela Anna Maria Fanelli Lakhmi C. Jain

There are presented the basic operations on real intervals: pseudo-addition and pseudo multiplication which induce the semiring structure. Application of special pseudo-operations on the unit interval: t-norms and t-conorms, in the theory of fuzzy sets and fuzzy logics are given. Pseudo-convolution as a generalization of the classical convolution is given, with many important special cases. Fur...

Journal: :bulletin of the iranian mathematical society 2015
r. jahani-nezhad f. khoshayand

the aim of this paper is to generalize the‎‎notion of pseudo-almost valuation domains to arbitrary‎ ‎commutative rings‎. ‎it is shown that the classes of chained rings‎ ‎and pseudo-valuation rings are properly contained in the class of‎ ‎pseudo-almost valuation rings; also the class of pseudo-almost‎ ‎valuation rings is properly contained in the class of quasi-local‎ ‎rings with linearly ordere...

Journal: :EURASIP Journal on Wireless Communications and Networking 2004

2009
Omer Reingold

The research re ected in this dissertation is a study of computational pseudo randomness More speci cally the main objective of this research is the e cient and simple construction of pseudo random functions and permutations where e ciency refers both to the sequential and parallel time complexity of the computation Pseudo random functions and permutations are fundamental cryptographic primitiv...

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