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Wyświetlanie 1-15 z 33
Tytuł:
Risk Attitudes, Buying and Selling Price for a Lottery and Simple Strategies
Autorzy:
Lewandowski, Michał
Powiązania:
https://bibliotekanauki.pl/articles/483243.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
wealth-invariance
scale-invariance
CARA
CRRA
DARA
risk aversion
buying and selling price for a lottery
Opis:
This paper defines the concept of simple strategy and introduces three kinds of simple strategies: wealth-invariant, scale-invariant and "wealthier-accept more". For three commonly used utility function families: CARA, CRRA and DARA equivalent characterizations are obtained in terms of the corresponding simple strategy, in terms of the buying and selling price properties, and in terms of the utility function properties as expressed by Cauchy functional equations. Moreover, an extension of famous Pratt (1964) theorem is proved which involves buying price for a lottery as an alternative measure of comparative risk aversion. Additionally a number of propositions on both selling and buying price for a lottery and CRRA utility class are proved.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2013, 5, 1; 1-34
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A viability result for nonconvex semilinear functional differential inclusions
Autorzy:
Lupulescu, Vasile
Necula, Mihai
Powiązania:
https://bibliotekanauki.pl/articles/729593.pdf
Data publikacji:
2005
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
viability
invariance
tangency condition
semilinear differential inclusions
Opis:
We establish some sufficient conditions in order that a given locally closed subset of a separable Banach space be a viable domain for a semilinear functional differential inclusion, using a tangency condition involving a semigroup generated by a linear operator.
Źródło:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization; 2005, 25, 1; 109-128
1509-9407
Pojawia się w:
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ontyczny status wyrażeń według de Saussure’a na tle ujęć chińskich i indyjskich teoretyków języka
Ontic Status of Expressions According to de Saussure in Comparison to the Old Chinese and Indian Conceptions
Autorzy:
Drzazgowska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/568036.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Mikołaja Kopernika w Toruniu. Wydawnictwo UMK
Tematy:
language
expression
proportion
invariance
non-materiality
opposition
Opis:
The aim of the paper is to point out certain analogies between de Saussure’s theoretical reflection on the ontic properties of expressions and the corresponding old Chinese and Indian concepts. Following a review of de Saussure’s ideas, the author proceeds to present their Eastern analogues. The main focus is turned to the fact that the Chinese Moists as well as the Indian grammarians and philosophers elicited proportion as the key to the understanding of the mechanism of language. The Sanscrit grammarians, the philosophers of Mīmāṃsa as well as, most probably, Gongsun Long in China saw clearly the invariant and non-material nature of expressions. The Buddhist logicians and the Moists also pointed to the oppositional character of expressions as constitutive for language.
Źródło:
Linguistica Copernicana; 2013, 2(10); 51-63
2080-1068
2391-7768
Pojawia się w:
Linguistica Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hyperbolically convex functions
Autorzy:
Ma, Wancang
Minda, David
Powiązania:
https://bibliotekanauki.pl/articles/1311659.pdf
Data publikacji:
1994
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
hyperbolic convexity
distortion theorem
growth thoerem
linear invariance
Opis:
We investigate univalent holomorphic functions f defined on the unit disk such that f() is a hyperbolically convex subset of ; there are a number of analogies with the classical theory of (euclidean) convex univalent functions. A subregion Ω of is called hyperbolically convex (relative to hyperbolic geometry on ) if for all points a,b in Ω the arc of the hyperbolic geodesic in connecting a and b (the arc of the circle joining a and b which is orthogonal to the unit circle) lies in Ω. We give several analytic characterizations of hyperbolically convex functions. These analytic results lead to a number of sharp consequences, including covering, growth and distortion theorems and the precise upper bound on |f''(0)| for normalized (f(0) = 0 and f'(0) > 0) hyperbolically convex functions. In addition, we find the radius of hyperbolic convexity for normalized univalent functions mapping into itself. Finally, we suggest an alternate definition of "hyperbolic linear invariance" for locally univalent functions f: → that parallels earlier definitions of euclidean and spherical linear invariance.
Źródło:
Annales Polonici Mathematici; 1994-1995, 60, 1; 81-100
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Invariant properties of positive linear electrical circuits
Autorzy:
Kaczorek, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/377307.pdf
Data publikacji:
2019
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
invariance
positive
linear
system
stability
reachability
transfer matrix
Opis:
The invariant properties of the stability, reachability, and transfer matrices of positive linear electrical circuits with integer and fractional orders are investigated. It is shown that the stability, reachability and transfer matrix of positive linear systems are invariant under their integer and fractional orders.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2019, 97; 109-123
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Invariant properties of positive linear electrical circuits
Autorzy:
Kaczorek, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/141246.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
invariance
positive linear system
reachability
stability
transfer matrix
Opis:
The invariant properties of the stability, reachability, observability and transfer matrices of positive linear electrical circuits with integer and fractional orders are investigated. It is shown that the stability, reachability, observability and transfer matrix of positive linear systems are invariant under their integer and fractional orders.
Źródło:
Archives of Electrical Engineering; 2019, 68, 4; 875-890
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Invariance of reachability and observability for fractional positive linear electrical circuit with delays
Autorzy:
Yuan, Tong
Yang, Hongli
Powiązania:
https://bibliotekanauki.pl/articles/1841230.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
invariance
observability
positive linear electrical circuits with delays
reachability
Opis:
This paper focuses on the invariance of the reachability and observability for fractional order positive linear electrical circuits with delays and their checking methods. By derivation and comparison, it shows that conditions and checking methods of reachability and observability for integer and fractional order positive linear electrical circuits with delays are invariant. An illustrative example is presented at the end of the paper.
Źródło:
Archives of Electrical Engineering; 2021, 70, 3; 513-530
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Utility functions invariant with respect to some classes of transformations
Autorzy:
Chudziak, J.
Powiązania:
https://bibliotekanauki.pl/articles/206749.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
utility function
invariance
functional equation
additive function
exponential function
Opis:
Inspired by some relevant recent results of A. E. Abbas we determine utility functions invariant with respect to some classes of transformations.
Źródło:
Control and Cybernetics; 2013, 42, 2; 347-363
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Periodic solutions in multivariate invariance arguments
Autorzy:
Chudziak, J.
Wójcik, S.
Powiązania:
https://bibliotekanauki.pl/articles/254733.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
multivariate utility function
invariance
periodic solution
additive function
exponential function
Opis:
Inspired by the recent results of A.E. Abbas we determine continuous multivariate utility functions invariant with respect to a wide family of transformations related to the shift transformations.
Źródło:
Opuscula Mathematica; 2013, 33, 3; 455-465
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Psychometric Properties of the Polish Version of the Short Grit Scale
Autorzy:
Wyszyńska, Patrycja
Ponikiewska, Klaudia
Karaś, Dominika
Najderska, Małgorzata
Rogoza, Radosław
Powiązania:
https://bibliotekanauki.pl/articles/2128467.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
grit
consistency of interest
perseverance of effort
success
measurement invariance
Opis:
This study aimed to verify the psychometric properties of the Polish version of the Grit-S questionnaire. Grit is understood here as the perseverance and passion for long-term goals, and it encompasses two dimensions: Consistency of Interest and Perseverance of Effort. The sample comprised N = 270 participants aged 18–34 (Mage = 20.79). We performed confirmatory factor analyses to verify the dimensional structure of grit, multi-group confirmatory factor analysis to compare the structure across gender, and correlation analysis to examine external validity (exploring the correlations between grit, procrastination, and well-being). Findings showed satisfactory parameters for Grit-S including: reliability, structural and external validity, and measurement invariance across gender groups. The results support the possibility of using the Grit-S questionnaire in research exploring the predictors of success.
Źródło:
Polish Psychological Bulletin; 2017, 2; 229-236
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conformal Invariance and Conserved Quantities for Lagrange Equation of Thin Elastic Rod
Autorzy:
Wang, Peng
Feng, Hui-Rong
Lou, Zhi-Mei
Powiązania:
https://bibliotekanauki.pl/articles/1033429.pdf
Data publikacji:
2017-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
conformal invariance
Lie symmetry
conserved quantities
thin elastic rod
Lagrange equation
Opis:
Basing on the analytical mechanics methods, the Lagrangian equations of thin elastic rod is constructed. The definition of conformal invariance for the Lagrange mechanics of elastic rod is given. The criterions that conformal invariance of elastic rod is the Lie symmetry are obtained based on the Lie point transformation group. The structure equation and conserved quantity deduced from conformal invariance of elastic rod are constructed. Take twist rod as an example to illustrate the application of the results got in this paper.
Źródło:
Acta Physica Polonica A; 2017, 131, 2; 283-287
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
F-tests for generalized linear hypotheses in subnormal models
Autorzy:
Mexia, Joao
Dias, Gerberto
Powiązania:
https://bibliotekanauki.pl/articles/729870.pdf
Data publikacji:
2001
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
F-tests
subnormal models
mixed models
invariance
UMP tests
third type error
Opis:
When the measurement errors may be assumed to be normal and independent from what is measured a subnormal model may be used. We define a linear and generalized linear hypotheses for these models, and derive F-tests for them. These tests are shown to be UMP for linear hypotheses as well as strictly unbiased and strongly consistent for these hypotheses. It is also shown that the F-tests are invariant for regular transformations, possess structural stability and are almost strongly consistent for generalized linear hypothesis. An application to a mixed model studied by Michalskyi and Zmyślony is shown.
Źródło:
Discussiones Mathematicae Probability and Statistics; 2001, 21, 1; 49-62
1509-9423
Pojawia się w:
Discussiones Mathematicae Probability and Statistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is Time Inhomogeneous ?
Autorzy:
Sadatian, S. D.
Powiązania:
https://bibliotekanauki.pl/articles/412482.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
quantum gravity
Lorentz Invariance
symmetry breaking
varying speed of light
fractal mathematics
Opis:
In this article, we discuss probability of inhomogeneous time in high or low energy scale of physics. Consequently, the possibility was investigated of using theories such as varying speed of light (VSL) and fractal mathematics to build a framework within which answers can be found to some of standard cosmological problems and physics theories on the basis of time non-homogeneity.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 13, 2; 155-159
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Consumer confidence, durable goods purchase and unemployment forecast
Autorzy:
Białowolski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/424992.pdf
Data publikacji:
2014
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
consumer confidence
confirmatory factor analysis
durable goods purchase
measurement invariance
unemployment expectations
Opis:
Multi-Group Confirmatory Factor Analysis (MGCFA) demonstrated the deficiency of the four original European Commission (EC) items for consumer confidence. Fit of the MGCFA model was unacceptable and without scalar invariance, index comparison between study periods was not permissible. This provided clear motivation for a plausible alternative index specification to comply with requirements for single-dimensionality and meaning invariance throughout the study period. The MGCFA model using a new set of items demonstrated partial metric and partial scalar invariance. Using the structural equation framework, consumer confidence was revealed as strongly interrelated with unemployment forecast and durable goods purchase.
Źródło:
Econometrics. Ekonometria. Advances in Applied Data Analytics; 2014, 3(45); 42-55
1507-3866
Pojawia się w:
Econometrics. Ekonometria. Advances in Applied Data Analytics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Appearance Schemas Inventory–Revised: Validation on a Polish Sample
Autorzy:
Poraj-Weder, Magdalena
Szulawski, Michał
Rogoza, Radosław
Jasielska, Dorota
Pios, Anna
Powiązania:
https://bibliotekanauki.pl/articles/31343478.pdf
Data publikacji:
2024
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
Appearance Schemas Inventory–Revised
appearance investment
body image
Polish adaptation
invariance analysis
Opis:
The aim of this study (N = 713) was to adapt the Appearance Schemas Inventory–Revised into Polish and evaluate its psychometric properties. The ASI-R is a widely used tool for measuring appearance schemas, but it is currently not available in Polish. The adaptation of the ASI-R has the potential to fill this gap and encourage research in the Polish community. The validation of the scale was conducted on two separate samples of healthy adults. Although the results indicate that the Polish version of the scale, in contrast to the original one, exhibits a one-factor structure, its psychometric properties are robust. The scale demonstrates high internal consistency and sound construct validity, established through correlations with various aspects of psychosocial functioning, along with body image and sociocultural attitudes toward appearance. The scale seems to be gender-invariant and can be utilized in future studies that adopt a cognitive-behavioral approach to appearance schemas.
Źródło:
Roczniki Psychologiczne; 2024, 27, 1; 27-48
1507-7888
Pojawia się w:
Roczniki Psychologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 33

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