scholarly journals W-perfect groups

2015 ◽  
Vol 13 (1) ◽  
Author(s):  
Selami Ercan
Keyword(s):  
Present Article ◽  
Perfect Group ◽  
Basic Properties

AbstractIn the present article we define W-paths of elements in a W-perfect group as a useful tools and obtain their basic properties.

Factor-Correspondences in Regular Rings

1982 ◽  
Vol 34 (1) ◽  
pp. 23-30
Author(s):  
S. K. Berberian
Keyword(s):  
Present Article ◽  
Regular Ring ◽  
Decomposition Theorem ◽  
Matrix Rings ◽  
Basic Properties ◽  
Principal Ideals ◽  
Highly Effective ◽  
Left Factor ◽  
Regular Rings

Factor-correspondences are nothing more than a way of describing isomorphisms between principal ideals in a regular ring. However, due to a remarkable decomposition theorem of M. J. Wonenburger [7, Lemma 1], they have proved to be a highly effective tool in the study of completeness properties in matrix rings over regular rings [7, Theorem 1]. Factor-correspondences also figure in the proof of D. Handelman's theorem that an ℵ0-continuous regular ring is unitregular [4, Theorem 3.2].The aim of the present article is to sharpen the main result in [7] and to re-examine its applications to matrix rings. The basic properties of factor-correspondences are reviewed briefly for the reader's convenience.Throughout, R denotes a regular ring (with unity).Definition 1 (cf. [5, p. 209ff], [7, p. 212]). A right factor-correspondence in R is a right R-isomorphism φ : J → K, where J and K are principal right ideals of R (left factor-correspondences are defined dually).

scholarly journals Fundamental Solution in Micropolar Viscothermoelastic Solids with Void

2015 ◽  
Vol 20 (1) ◽  
pp. 109-125 ◽  
Author(s):  
R. Kumar ◽  
K.D. Sharma ◽  
S.K. Garg
Keyword(s):  
Fundamental Solution ◽  
Differential Equations ◽  
Present Article ◽  
System Of Differential Equations ◽  
Elementary Functions ◽  
Basic Properties ◽  
Steady Oscillations

Abstract In the present article, we construct the fundamental solution to a system of differential equations in micropolar viscothermoelastic solids with voids in case of steady oscillations in terms of elementary functions. Some basic properties of the fundamental solution are also established.

scholarly journals Schauder-Type Fixed Point Theorem in Generalized Fuzzy Normed Linear Spaces

Mathematics ◽  
2020 ◽  
Vol 8 (10) ◽  
pp. 1643
Author(s):  
S. Chatterjee ◽  
T. Bag ◽  
Jeong-Gon Lee
Keyword(s):  
Fixed Point ◽  
Fixed Point Theorem ◽  
Linear Space ◽  
Present Article ◽  
Point Theorem ◽  
Normed Linear Space ◽  
Compact Operators ◽  
Linear Spaces ◽  
Basic Properties ◽  
Fuzzy Setting

In the present article, the Schauder-type fixed point theorem for the class of fuzzy continuous, as well as fuzzy compact operators is established in a fuzzy normed linear space (fnls) whose underlying t-norm is left-continuous at (1,1). In the fuzzy setting, the concept of the measure of non-compactness is introduced, and some basic properties of the measure of non-compactness are investigated. Darbo’s generalization of the Schauder-type fixed point theorem is developed for the class of ψ-set contractions. This theorem is proven by using the idea of the measure of non-compactness.

scholarly journals Submanifolds in Normal Complex Contact Manifolds

Mathematics ◽  
2019 ◽  
Vol 7 (12) ◽  
pp. 1195
Author(s):  
Adela Mihai ◽  
Ion Mihai
Keyword(s):  
Present Article ◽  
Space Form ◽  
Real Submanifolds ◽  
Maximum Dimension ◽  
Contact Manifolds ◽  
Basic Properties ◽  
Normal Complex ◽  
Contact Metric Manifolds ◽  
Totally Real ◽  
Chen Inequality

In the present article we initiate the study of submanifolds in normal complex contact metric manifolds. We define invariant and anti-invariant ( C C -totally real) submanifolds in such manifolds and start the study of their basic properties. Also, we establish the Chen first inequality and Chen inequality for the invariant δ ( 2 , 2 ) for C C -totally real submanifolds in a normal complex contact space form and characterize the equality cases. We also prove the minimality of C C -totally real submanifolds of maximum dimension satisfying the equalities.

scholarly journals A Generalized Logistic Function and Its Applications

2020 ◽  
Vol 12 (1) ◽  
pp. 85-92
Author(s):  
Grzegorz Rządkowski ◽  
Lidia Sobczak
Keyword(s):  
Differential Equation ◽  
Present Article ◽  
Analytical Form ◽  
Logistic Function ◽  
Riccati Differential Equation ◽  
Basic Properties ◽  
Constant Coefficients

AbstractIn the present article, we deal with a generalization of the logistic function. Starting from the Riccati differential equation with constant coefficients, we find its analytical form and describe basic properties. Then we use the generalized logistic function for modeling some economic phenomena.

The German Post-Critical Belief Scale: Internal and External Validity

2003 ◽  
Vol 34 (4) ◽  
pp. 219-226 ◽  
Author(s):  
Bart Duriez ◽  
Claudia Appel ◽  
Dirk Hutsebaut
Keyword(s):  
Internal Structure ◽  
Present Article ◽  
External Validity ◽  
German Version ◽  
Dutch Version ◽  
German Sample ◽  
Belief Scale ◽  
Internal And External Validity

Abstract: Recently, Duriez, Fontaine and Hutsebaut (2000) and Fontaine, Duriez, Luyten and Hutsebaut (2003) constructed the Post-Critical Belief Scale in order to measure the two religiosity dimensions along which Wulff (1991 , 1997 ) summarized the various possible approaches to religion: Exclusion vs. Inclusion of Transcendence and Literal vs. Symbolic. In the present article, the German version of this scale is presented. Results obtained in a heterogeneous German sample (N = 216) suggest that the internal structure of the German version fits the internal structure of the original Dutch version. Moreover, the observed relation between the Literal vs. Symbolic dimension and racism, which was in line with previous studies ( Duriez, in press ), supports the external validity of the German version.

Is the Rorschach of Psychopaths the Same on Both Sides of the Atlantic?

1995 ◽  
Vol 20 (1) ◽  
pp. 134-147 ◽  
Author(s):  
Odile Husain
Keyword(s):  
Present Article ◽  
Analyse Statistique ◽  
Mécanismes De Défense

Le présent article tente d’effectuer un rapprochement entre un article européen de Rossel et Merceron et un livre américain de Reid Meloy, tous deux consacrés à l’analyse des organisations psychopathiques. Si tous les auteurs s’entendent sur l’économie narcissique du psychopathe, le choix de la population d’étude diffère quelque peu, en raison de l’approche structurale des premiers et de l’approche symptomatique du second. Tandis que l’étude suisse ne retient que des psychopathes du registre des états-limites, l’étude américaine inclut également des psychopathes de niveau psychotique. Par contre, la mésentente règne au niveau des outils d’analyse du discours psychopathique: analyse statistique et échelles validées chez Meloy; approche qualitative chez Rossel et Merceron. Aux premiers, l’on reprochera un certain réductionisme et appauvrissement du discours, prix à payer pour le respect de la standardisation et de la cotation. Aux seconds, l’on reprochera l’absence de toute quantification qui pose problème lorsque l’on aborde la question de la validité des données. Néanmoins, Européens et Américains s’entendent sur la notion d’un fonctionnement psychopathique. La relation d’objet est marquée par la pulsion agressive et ses dérivatifs, par la recherche de pouvoir et de contrôle. La lutte contre la dépendance est déduite chez Meloy de l’absence de réponse de texture et chez Rossel et Merceron de l’absence de contenus de dépendance. La qualité narcissique des représentations d’objet est mise en évidence, chez Meloy, par le biais de l’investissement du paraître, chez Rossel et Merceron par l’importance du processus d’externalisation. La dévalorisation des objets est aussi décrite. Ni les uns ni les autres ne font réellement référence à l’angoisse car cette angoisse qualifiable d’anaclitique s’exprime justement sous des manifestations tout à fait opposées. Le vide intérieur est déduit, chez Meloy, à partir de l’ennui que vit le psychopathe et, chez Rossel et Merceron, à partir de la survalorisation de la référence au réel. Une grande convergence existe entre les deux écrits au sujet des mécanismes de défense. Tous les auteurs s’accordent sur la prépondérance du clivage et du déni, un déni par le mot et l’acte chez Meloy, un déni hypomaniaque chez Rossel et Merceron. De part et d’autre de l’Atlantique, on s’accorde également pour attribuer une place importante à l’identification projective et à l’identification à l’agresseur. Par ailleurs, Rossel et Merceron démontrent comment à travers les caractéristiques de l’énonciation et les nuances de la verbalisation du psychopathe, il est possible d’inférer son non-investissement de la mentalisation et du savoir au profit d’un surinvestissement de l’agir. La complémentarité, voire la similarité, des commentaires dans les deux ouvrages devrait réconforter certains cliniciens, désarmés devant le fossé qui semble parfois régner entre la littérature des deux continents et confirmer, qu’indépendamment du type de méthodologie et de validation choisi, l’observation clinique du psychologue expérimenté demeure la pierre angulaire de toute recherche en psychopathologie.

The Legacy of the Outstanding Economist (The Centenary of Maurice Allais)

2011 ◽  
pp. 4-15
Author(s):  
A. Belyanin ◽  
I. Egorov
Keyword(s):  
Present Article ◽  
Nobel Prize ◽  
Nobel Prize Winner ◽  
Contemporary Science

The paper is devoted to Maurice Allais, the Nobel prize winner and one of the most original and deep-thinking economist whose centenary is celebrated this year. The authors describe his contributions to economics, and his place in contemporary science - economics and physics, as well as his personality and philosophy. Scientific works by Allais, albeit translated into Russian, still remain little known. The present article aims to fill this gap and to pay tribute to this outstanding intellectual and academic, who deceased last year, aged 99.

On the Essence and Tipology of International Public Goods

2005 ◽  
pp. 131-141
Author(s):  
V. Mortikov
Keyword(s):  
Economic Policy ◽  
Social Construction ◽  
Public Goods ◽  
Public Good ◽  
Global Public Goods ◽  
Club Goods ◽  
Basic Properties ◽  
International Public Goods ◽  
Regional Public Goods ◽  
Joint Products

The basic properties of international public goods are analyzed in the paper. Special attention is paid to the typology of international public goods: pure and impure, excludable and nonexcludable, club goods, regional public goods, joint products. The author argues that social construction of international public good depends on many factors, for example, government economic policy. Aggregation technologies in the supply of global public goods are examined.

Thai Buddhist Meditation Practice Tradition and a Case Study

2020 ◽  
pp. 12-15
Author(s):  
Somboon Watana, Ph.D.
Keyword(s):  
Present Article ◽  
Practice Research ◽  
Meditation Practice ◽  
Master Teachers ◽  
Buddhist Meditation ◽  
Good Deed ◽  
University Level ◽  
The University ◽  
The Buddha

Thai Buddhist meditation practice tradition has its long history since the Sukhothai Kingdom about 18th B.E., until the present day at 26th B.E. in the Kingdom of Thailand. In history there were many well-known Buddhist meditation master teachers, i.e., SomdejPhraBhudhajaraya (To Bhramarangsi), Phraajarn Mun Puritatto, Luang Phor Sodh Chantasalo, PhramahaChodok Yanasitthi, and Buddhadasabhikkhu, etc. Buddhist meditation practice is generally regarded by Thai Buddhists to be a higher state of doing a good deed than doing a good deed by offering things to Buddhist monks even to the Buddha. Thai Buddhists believe that practicing Buddhist meditation can help them to have mindfulness, peacefulness in their own lives and to finally obtain Nibbana that is the ultimate goal of Buddhism. The present article aims to briefly review history, and movement of Thai Buddhist Meditation Practice Tradition and to take a case study of students’ Buddhist meditation practice research at the university level as an example of the movement of Buddhist meditation practice tradition in Thailand in the present.

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