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187.715  Articles
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One recalls the relationship between the Markov moment problem and extension of linear functionals (or operators), with two constraints. One states necessary and sufficient conditions for the existence of solutions of some abstract vector-valued Markov mo... see more

We give a direct proof of sandwich-type theorems for linear invariant partially ordered vector space operators in the setting of convexity. As consequences, we deduce equivalence results between sandwich, Hahn-Banach, separation and Krein-type extension t... see more

We study the set of all positive linear operators densely defined in an infinite-dimensional complex Hilbert space. We equip this set with various effect algebraic operations making it a generalized effect algebra. Further, sub-generalized effect algebras... see more

A temporal logic of causality (TLC) was introduced by Alur, Penczekand Peled in [1]. It is basically a linear time temporal logicinterpreted over Mazurkiewicz traces which allows quantification overcausal chains. Through this device one can directly formu... see more

In this paper, we prove the equivalence between the convergences of T-Picard iteration, T-Mann iteration and T-Ishikawa iteration for the class ofT-Zamfirescu operators in normed linear spaces. Our results extend and improvethe results of Solutz  and... see more

In this paper, we give some characterizations of the left and right generalized Drazin invertible bounded operators in Banach spaces by means of the single-valued extension property (SVEP). In particular, we show that a bounded operator is left (resp. rig... see more

A bounded linear operator which has a finite index and which is defined on a Banach space is often referred to in the literature as a Fredholm operator. Fredholm operators are important for a variety of reasons, one being the role that their index plays i... see more

Currently, “Buruan Sae” is a leading program in Bandung City, during the pandemic, this program was used to solve the problem of food security for every community. The government also promotes every community to implement urban farming in the city. Meanwh... see more

The purpose of this research is to 1) AnalyzeThe influence between farmer characteristics and the response of rice farmers to the Jajar Legowo Planting System in X Koto Singkarak District. 2)Analyzingthe effect of the nature of innovation with the respons... see more

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