Yazar "Ulusu, Uğur" için Bildiri Metinleri listeleme
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Lacunary statistical convergence of double sequences in fuzzy n-nspacesormed
The concept of convergence of real sequences has been extended to statistical convergence and later this concept was extended to the double sequences by Mursaleen and Edely. The concept of ordinary convergence of a sequence ... -
Lacunary statistical convergence of double sequences in fuzzy normed spaces
In this paper, we introduce the concepts of lacunary summable, lacunary statistically convergence and lacunary statistically Cauchy sequence for double sequences in fuzzy normed spaces. Also, we investigate some properties ... -
On asymptotically ideal invariant equivalence of double sequences
Dündar, Erdinç; Ulusu, Uğur; Nuray, Fatih (International Conference on Mathematics and Related Sciences(ICMRS2018), 2018)In this study, the concepts of asymptotically I^sigma_2 -equivalent, asymptotically invariant equivalent, strongly asymptotically invariant equivalent and p-strongly asymptotically invariant equivalent for double sequences ... -
On ideal invariant convergence of double sequences and some properties
Dündar, Erdinç; Ulusu, Uğur; Nuray, Fatih (Inter.Conf.on Adv.in Nat.and App.Sci.(ICANAS2017), 2017)In this paper, we study the concepts of invariant convergence, p-strongly invariant convergence ([V^2_sigma ]_p), I2-invariant convergence (I_sigma^2), I*_2 -invariant convergence (I_2*^sigma) of double sequences and ... -
On invariant summability of double sequences
Ulusu, Uğur; Gülle, Esra (International Conference on Advances in Natural and Applied Sciences, 2017)The aim of this study is to give some invariant summability definitions for double real number sequences and investigate relationships among these concepts -
On quasi-lacunary invariant convergence of sequences of sets
Gülle, Esra; Ulusu, Uğur (International Conference on Analysis and Its Applications, 2018)In this study, we give definitions of Wijsman quasi-lacunary invariant convergence, Wijsman strongly quasi-lacunary invariant convergence and Wijsman quasi-lacunary invariant statistically convergence for sequences of sets. ... -
On some asymptotically equivalence types for double sequences and relations among them
Ulusu, Uğur; Dündar, Erdinç (2018)In this study, we give definitions of asymptotically lacunary invariant equivalence, strongly asymptotically lacunary invariant equivalence and asymptotically lacunary ideal invariant equivalence for double sequences. We ... -
On strongly I and I^*-lacunary convergence of sequences of sets
Sever, Yurdal; Ulusu, Uğur; Dündar, Erdinç (2013)In this paper we study the concepts of Wijsman strongly lacunary convergence, Wijsman strongly I-lacunary convergence, Wijsman strongly I^*-lacunary convergence and Wijsman strongly I-lacunary Cauchy sequences of sets and ... -
Some asymptotically equivalence types for sequences of sets
Ulusu, Uğur; Dündar, Erdinç (International Conference on Advances in Natural and Applied Sciences, 2017)In this study, the concepts of asymptotically ideal Cesàro equivalence are defined and the relationships among the concepts of asymptotically strongly ideal Cesàro equivalence, asymptotically strongly ideal lacunary ... -
Some properties of 2-dimensional interval numbers
Nuray, Fatih; Dündar, Erdinç; Ulusu, Uğur (International Conference on Mathematical and Related Sciences, 2018)In this paper, we will introduce the notion of convergence of two dimensional interval sequences and show that the set of all two dimensional interval numbers is a metric space. Also, some ordinary vector norms will be ... -
Some uniform continuity definitions for real valued functions and some properties
Nuray, Fatih; Ulusu, Uğur; Dündar, Erdinç (International Conference on Advances in Natural and Applied Sciences, 2017)The purpose of this study is to give some uniform continuity definitions for real valued functions and investigate some properties about these concepts. -
Statistical lacunary invariant summability of double sequences
Ulusu, Uğur; Gülle, Esra (2018)In this study, we give definitions of lacunary σ-summability, strongly p-lacunary σ-summability and statistical lacunary σ-convergence for double sequences. We also examine the existence of some relations among the definitions ... -
Strongly I_2-lacunary convergence and I_2-lacunary cauchy double sequences of sets
Dündar, Erdinç; Ulusu, Uğur; Pancaroğlu, Nimet (2015)In this paper, we study the concepts of Wijsman strongly I2-lacunary convergence, Wijsman strongly I*_2 -lacunary convergence, Wijsman strongly I2-lacunary Cauchy sequences and Wijsman strongly I*_2 -lacunary Cauchy double ... -
Wijsman and Hausdorff statistical convergence of order α for double set sequences
Ulusu, Uğur; Gülle, Esra (3rd International Congress on Science and Education, 2019)The concept of statistical convergence was introduced by Steinhaus (1951) and Fast (1951), and later reintroduced by Schoenberg (1959) independently. Then, many researchers have studied on this concept until recently (see ... -
Wijsman ptrongly p-Cesàro summability and Wijsman statistical convergence of order α for double set sequences
Gülle, Esra; Ulusu, Uğur (3rd International Congress on Science and Education, 2019)The concept of statistical convergence was introduced by Steinhaus (1951) and Fast (1951), and later reintroduced by Schoenberg (1959) independently. Then, many researchers have studied on this concept until recently (see ... -
Wijsman quasi-invariant convergence
Gülle, Esra; Ulusu, Uğur (International Conference on Mathematical and Related Sciences, 2018)In this study, we defined the concepts of Wijsman quasi-invariant convergence, Wijsman quasi-strongly invariant convergence and Wijsman quasi q-strongly invariant convergence. Also, we give the concept of Wijsman quasi-invariant ... -
Wijsman statistical convergence of double sequences of sets
Nuray, Fatih; Ulusu, Uğur; Dündar, Erdinç (International Conference on Analysis and Its Applications, 2016)In this paper, we study the concepts of Wijsman statistical convergence, Hausdorff statistical convergence and Wijsman statistical Cauchy double sequences of sets and investigate the relationships between them.