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Tytuł:
On QI-algebras
Autorzy:
Bandaru, Ravi Kumar
Powiązania:
https://bibliotekanauki.pl/articles/38140990.pdf
Data publikacji:
2017-12-20
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
BI-algebra
QI-algebra
right distributive
ideal
congruence kernel
Opis:
In this paper, the notion of a QI-algebra is introduced which is a generalization of a BI-algebra and there are studied its properties. We considered ideals, congruence kernels in a QI-algebra and characterized congruence kernels whenever a QI-algebra is right distributive.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2017, 37, 2; 137-145
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On GE-algebras
Autorzy:
Bandaru, Ravikumar
Saeid, Arsham Borumand
Jun, Young Bae
Powiązania:
https://bibliotekanauki.pl/articles/1023338.pdf
Data publikacji:
2020-08-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
(transitive) GE-algebra
filter
upper set
congruence kernel
Opis:
Hilbert algebras are important tools for certain investigations in intuitionistic logic and other non-classical logic and as a generalization of Hilbert algebra a new algebraic structure, called a GE-algebra (generalized exchange algebra), is introduced and studied its properties. We consider filters, upper sets and congruence kernels in a GE-algebra. We also characterize congruence kernels of transitive GE-algebras.
Źródło:
Bulletin of the Section of Logic; 2021, 50, 1; 81-96
0138-0680
2449-836X
Pojawia się w:
Bulletin of the Section of Logic
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Should Advertisers Avoid Controversial TV Content? Female Viewer Loyalty and Purchase Intent in the Context of Targeted Sponsorship Vignettes
Autorzy:
Banerski, Grzegorz
Biele, Cezary
Awdziej, Marcin
Kaczyński, Adam
Molenda, Sylwester
Powiązania:
https://bibliotekanauki.pl/articles/1934213.pdf
Data publikacji:
2021
Wydawca:
Akademia Leona Koźmińskiego w Warszawie
Tematy:
sponsorship vignette
loyalty
purchase intentions
controversial program
media context
congruence
Opis:
Purpose: This study aims to investigate whether controversial TV content impacts the effects of non – standard advertising such as sponsorship vignette among female viewers. Methodology: The present study used two field experiments (n = 222; n = 219) conducted as a Computer-Assisted Web Interview (CAWI) questionnaire, during which video material was presented. The study manipulated controversial and non-controversial and the variable of congruence and incongruence – through the argument of video material in the form of TV programs and advertising spots. Results: The empirical investigation revealed that controversial and incongruent content does not necessarily alter the effect of a sponsorship vignette. Loyal viewers who consistently follow programs were found to have higher purchase intent than less loyal ones. Implications: The results suggest that advertisers should consider placing their messages in the context of controversial TV programming, which does not have to be congruent with the ads displayed. Limitations: The stimuli applied in the studies were arbitrary, to a certain extent. The study did not investigate program’s about sex that fit the definition of controversiality. Originality/value: The study contributes to the existing literature on ad–content congruence by investigating consumer responses to innovative ad format: the sponsorship vignette. We investigated how specific content watched in longer periods of time (i.e. a series) may impact the advertising effectiveness of embedded sponsorship vignettes. This approach allowed us to demonstrate the importance of viewers’ loyalty towards a TV program, resulting in a change of the level of purchase intent of advertised product.
Źródło:
Central European Management Journal; 2021, 29(2); 2-32
2658-0845
2658-2430
Pojawia się w:
Central European Management Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Erratum to: Congruences and Ideals in a Distributive Lattice with Respect to a Derivation
Autorzy:
Barzegar, Hasan
Powiązania:
https://bibliotekanauki.pl/articles/749868.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
derivation
kernel
congruence
ideal
kernel element
Opis:
The present note is an Erratum for the two theorems of the paper "Congruences and ideals in a distributive lattice with respect to a derivation" by M. Sambasiva Rao.
Źródło:
Bulletin of the Section of Logic; 2019, 48, 1
0138-0680
2449-836X
Pojawia się w:
Bulletin of the Section of Logic
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Clifford semiring congruences on an additive regular semiring
Autorzy:
Bhuniya, A.
Powiązania:
https://bibliotekanauki.pl/articles/729215.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
additive regular semiring
skew-ring
trace
kernel
Clifford congruence
Opis:
A congruence ρ on a semiring S is called a (generalized)Clifford semiring congruence if S/ρ is a (generalized)Clifford semiring. Here we characterize the (generalized)Clifford congruences on a semiring whose additive reduct is a regular semigroup. Also we give an explicit description for the least (generalized)Clifford congruence on such semirings.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2014, 34, 2; 143-153
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the lattice of congruences on inverse semirings
Autorzy:
Bhuniya, Anwesha
Bhuniya, Anjan
Powiązania:
https://bibliotekanauki.pl/articles/728800.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
inverse semirings
trace
kernel
Clifford congruence
least Clifford congruence
Opis:
Let S be a semiring whose additive reduct (S,+) is an inverse semigroup. The relations θ and k, induced by tr and ker (resp.), are congruences on the lattice C(S) of all congruences on S. For ρ ∈ C(S), we have introduced four congruences $ρ_{min}, ρ_{max}, ρ^{min}$ and $ρ^{max}$ on S and showed that $ρθ = [ρ_{min},ρ_{max}]$ and $ρκ = [ρ^{min},ρ^{max}]$. Different properties of ρθ and ρκ have been considered here. A congruence ρ on S is a Clifford congruence if and only if $ρ_{max}$ is a distributive lattice congruence and $ρ^{max}$ is a skew-ring congruence on S. If η (σ) is the least distributive lattice (resp. skew-ring) congruence on S then η ∩ σ is the least Clifford congruence on S.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2008, 28, 2; 193-208
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spouses’ fit and marriage satisfaction in late adulthood
Autorzy:
Brudek, Paweł
Korulczyk, Tomasz
Korulczyk, Natalia
Powiązania:
https://bibliotekanauki.pl/articles/2127263.pdf
Data publikacji:
2019-04-08
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
spouses’ fit
personality congruence
values congruence
marital satisfaction
late adulthood
Opis:
Although marital satisfaction is intensively explored in the psychological literature at present, there are few papers strictly focused on spouse fit in late adulthood. The aim of the present study was to determine whether spouses’ personality fit and values fit are associated with marital satisfaction. To test this, we examined 60 Polish married couples (120 participants) aged 60-75. We used the following measures: NEO-PI-R (as adapted by J. Siuta), Scheler Values Scale (P. Brzozowski), and the Well-Matched Marriage Questionnaire (Plopa & Rostowski). Due to the nonindependence of dyads, data was analyzed in the single-level paradigm, and the level of fit was estimated by Gower Agreement Index (J. C. Gower). The results yielded by SEM path analysis indicate that spouses’ personality fit is associated with the satisfaction of both spouses, while spouses’ values fit, under-stood objectively in accordance with Scheler’s theory, is not related to their satisfaction. The findings may be useful in psychological practice such as marriage counselling and marital therapy.
Źródło:
Roczniki Psychologiczne; 2018, 21, 1; 69-85
1507-7888
Pojawia się w:
Roczniki Psychologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Political Representation of Salient Issues
Autorzy:
Burean, Toma
Powiązania:
https://bibliotekanauki.pl/articles/1810948.pdf
Data publikacji:
2015-09-30
Wydawca:
Polskie Towarzystwo Socjologiczne
Tematy:
political representation
congruence
salience
left-right
Eastern Europe
Opis:
This paper deals with research into the quality of democracy and political representation and intends to make two contributions to the debate on the representation of citizens’ preferences in Eastern Europe. First, attention is focused on the level of congruence in a period of transition (1998–2001) in two countries: Hungary and Poland. The intent is to demonstrate that political representation, understood as a congruence of preferences on issues, is present in transitional democracies and improves in Poland from 1997 to 2001. Second, differences in congruence are accounted for. The first hypothesis is that citizens’ and parliamentarians’ rankings of the importance of issues will differ due to the different reasons these groups become involved in politics. Secondly, the variation of congruence is explained by the importance (salience) citizens attribute to an issue. Furthermore, saliency makes political parties crowd to represent the majority preference. On less salient issues political party representatives hold to their ideological preferences. For comparison purposes congruence is operationalized as a ‘one to many linkage’ and is measured in accord with the measurements of Kitschelt et al. (1999) of absolute and relative representation. The hypotheses are tested using data from 1997 and 2001 for Poland and 1998 for Hungary. The data allows for measuring policy preference on a range of issues in economic, social, cultural, and foreign policy domains. The measures of congruence are unique in recording the preferences of a sample of citizens and a sample of representatives in both countries. For citizens, the analysis was conducted at the level of individuals and party-supporter groups, while for the MPs, it was conducted at the level of political party groups. The findings have implications for the study of how saliency affects political representation and contribute to the understanding of the transition to democracy in Eastern Europe.
Źródło:
Polish Sociological Review; 2015, 191, 3; 329-353
1231-1413
2657-4276
Pojawia się w:
Polish Sociological Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Balanced congruences
Autorzy:
Chajda, Ivan
Eigenthaler, Günther
Powiązania:
https://bibliotekanauki.pl/articles/728742.pdf
Data publikacji:
2001
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
balanced congruence
balanced algebra
balanced variety
Mal'cev condition
Opis:
Let V be a variety with two distinct nullary operations 0 and 1. An algebra ∈ V is called balanced if for each Φ,Ψ ∈ Con(), we have [0]Φ = [0]Ψ if and only if [1]Φ = [1]Ψ. The variety V is called balanced if every ∈ V is balanced. In this paper, balanced varieties are characterized by a Mal'cev condition (Theorem 3). Furthermore, some special results are given for varieties of bounded lattices.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2001, 21, 1; 105-114
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Congruence classes in Brouwerian semilattices
Autorzy:
Chajda, Ivan
Länger, Helmut
Powiązania:
https://bibliotekanauki.pl/articles/729047.pdf
Data publikacji:
2001
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
congruence class
Brouwerian semilattice
ideal
Opis:
Brouwerian semilattices are meet-semilattices with 1 in which every element a has a relative pseudocomplement with respect to every element b, i. e. a greatest element c with a∧c ≤ b. Properties of classes of reflexive and compatible binary relations, especially of congruences of such algebras are described and an abstract characterization of congruence classes via ideals is obtained.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2001, 21, 2; 229-237
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Congruence submodularity
Autorzy:
Chajda, Ivan
Halaš, Radomír
Powiązania:
https://bibliotekanauki.pl/articles/728993.pdf
Data publikacji:
2002
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
congruence lattice
modularity
congruence k-submodularity
Opis:
We present a countable infinite chain of conditions which are essentially weaker then congruence modularity (with exception of first two). For varieties of algebras, the third of these conditions, the so called 4-submodularity, is equivalent to congruence modularity. This is not true for single algebras in general. These conditions are characterized by Maltsev type conditions.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2002, 22, 2; 131-139
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Congruences on semilattices with section antitone involutions
Autorzy:
Chajda, Ivan
Powiązania:
https://bibliotekanauki.pl/articles/729025.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
semilattice
section
antitone involution
congruence kernel
filter
congruence distributivity
3-permutability
Opis:
We deal with congruences on semilattices with section antitone involution which rise e.g., as implication reducts of Boolean algebras, MV-algebras or basic algebras and which are included among implication algebras, orthoimplication algebras etc. We characterize congruences by their kernels which coincide with semilattice filters satisfying certain natural conditions. We prove that these algebras are congruence distributive and 3-permutable.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2010, 30, 2; 207-215
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implication algebras
Autorzy:
Chajda, Ivan
Powiązania:
https://bibliotekanauki.pl/articles/729171.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
implication algebra
pre-implication algebra
orthoimplication algebra
orthosemilattice
congruence kernel
Opis:
We introduce the concepts of pre-implication algebra and implication algebra based on orthosemilattices which generalize the concepts of implication algebra, orthoimplication algebra defined by J.C. Abbott [2] and orthomodular implication algebra introduced by the author with his collaborators. For our algebras we get new axiom systems compatible with that of an implication algebra. This unified approach enables us to compare the mentioned algebras and apply a unified treatment of congruence properties.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2006, 26, 2; 141-153
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modyfications of Csákánys Theorem
Autorzy:
Chajda, Ivan
Powiązania:
https://bibliotekanauki.pl/articles/728864.pdf
Data publikacji:
2000
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
congruence class
idempotent element
permutable variety
Mal'cev condition
Opis:
Varieties whose algebras have no idempotent element were characterized by B. Csákány by the property that no proper subalgebra of an algebra of such a variety is a congruence class. We simplify this result for permutable varieties and we give a local version of the theorem for varieties with nullary operations.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2000, 20, 1; 37-41
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Orthorings
Autorzy:
Chajda, Ivan
Länger, Helmut
Powiązania:
https://bibliotekanauki.pl/articles/729119.pdf
Data publikacji:
2004
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
ortholattice
generalized ortholattice
sectionally complemented lattice
orthoring
arithmetical variety
weakly regular variety
congruence kernel
ideal term
basis of ideal terms
subtractive term
Opis:
Certain ring-like structures, so-called orthorings, are introduced which are in a natural one-to-one correspondence with lattices with 0 every principal ideal of which is an ortholattice. This correspondence generalizes the well-known bijection between Boolean rings and Boolean algebras. It turns out that orthorings have nice congruence and ideal properties.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2004, 24, 1; 137-147
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 52

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