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Wyświetlanie 1-15 z 552
Tytuł:
Positive solutions for nonparametric anisotropic singular solutions
Autorzy:
Papageorgiou, Nikolaos S.
Rădulescu, Vicenţiu D.
Sun, Xueying
Powiązania:
https://bibliotekanauki.pl/articles/29519752.pdf
Data publikacji:
2024
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
anisotropic regularity
variable Lebesgue
Sobolev spaces
anisotropic maximum principle
truncations and comparisons
Hardy inequality
Opis:
We consider an elliptic equation driven by a nonlinear, nonhomogeneous differential operator with nonstandard growth. The reaction has the combined effects of a singular term and of a “superlinear” perturbation. There is no parameter in the problem. Using variational tools and truncation and comparison techniques, we show the existence of at least two positive smooth solutions.
Źródło:
Opuscula Mathematica; 2024, 44, 3; 409-423
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Singular quasilinear convective systems involving variable exponents
Autorzy:
Moussaoui, Abdelkrim
Nabab, Dany
Vélin, Jean
Powiązania:
https://bibliotekanauki.pl/articles/29519640.pdf
Data publikacji:
2024
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
p(x)-Laplacian
variable exponents
fixed point
singular system
gradient estimates
regularity
Opis:
The paper deals with the existence of solutions for quasilinear elliptic systems involving singular and convection terms with variable exponents. The approach combines the sub-supersolutions method and Schauder’s fixed point theorem.
Źródło:
Opuscula Mathematica; 2024, 44, 1; 105-134
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Advances in estimation by the item sum technique in two move successive sampling
Autorzy:
Priyanka, Kumari
Trisandhya, Pidugu
Powiązania:
https://bibliotekanauki.pl/articles/19900669.pdf
Data publikacji:
2023-09-08
Wydawca:
Główny Urząd Statystyczny
Tematy:
Sensitive variable
Successive moves
Population mean
Variance
Mean squared error
Optimum matching fraction
Opis:
The present article proposes an estimator using the Item Sum Technique (IST) for the estimation of dynamic sensitive population mean using non-sensitive auxiliary information in the two-move successive sampling. Properties of the proposed IST estimator have been analysed. Possible allocation designs for allocating long-list and short-list samples pertaining to the IST have been elaborated. The comparison between various allocation designs has been carried out. Theoretical considerations have been integrated with numerical as well as simulation studies to show the working version of the proposed IST estimators in the two-move successive sampling.
Źródło:
Statistics in Transition new series; 2023, 24, 4; 123-138
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of time-averaged secondary flow cells in wide and narrow straight open channels with lateral bed deformation
Autorzy:
Chattopadhyay, T.
Kundu, S.
Powiązania:
https://bibliotekanauki.pl/articles/38695706.pdf
Data publikacji:
2023
Wydawca:
Instytut Podstawowych Problemów Techniki PAN
Tematy:
turbulent flow
secondary current
method of separation of variable
Reynolds shear stress
Opis:
The usual cellular pattern of the time averaged secondary flow circulation in the central section of wide open channels shows a distorted (laterally or vertically) structure due to the changes in bed configurations along lateral direction. The structures of these secondary circulations (under different bed configurations) are crucial for different types of hydraulic modeling. This study presents mathematical models of the time averaged secondary velocities (lateral and vertical components) for a turbulence-induced secondary current at the central section of a wide open-channel flow under different types of elevated and non-elevated bed conditions. Starting with the Reynolds Averaged Navier-Stokes equation and using the continuity equation, at first the governing equation of secondary flow velocity is obtained including the effects of the eddy viscosity and viscosity of the fluid. The model equations is solved using a separation of the variable technique imposing the bed perturbation condition. Full analytical solutions are achieved through mathematical analysis using suitable boundary conditions consistent with experimental observations. Initially the models are derived for a non-elevated bedforms comprised of alternating equal widths of smooth and rough bed strips. These models are modified further for bedforms with unequal widths of rough and smooth bed strips and elevated periodic bed structures. Four different types of elevated bed configurations are investigated and a general approach is suggested for other types of bed forms. All the proposed models are validated with existing experimental results to ensure the applicability and in each cases, improved results are observed. Obtained results show that the centre of circulation of the cellular structure occurs above the junction of the rough and smooth bed strips (consistent with experimental observations) and it gradually shifts towards the smooth strip, when the length of the rough bed strip is increased. The shifting as a function shows a non-linear pattern with the length of the rough bed strip. A least-square model is proposed to identify the circulation center as a function of the ratio of rough to smooth bed strips. It is also found that the vertically distorted secondary cells are generated when the bed slope strictly increase/decrease throughout the length of the one whole circulation. Finally, all the proposed models are compared with an existing model and an error analysis is done. Results of error analysis show that the present study can be more suitable as it yields improved results.
Źródło:
Archives of Mechanics; 2023, 75, 1-2; 169-211
0373-2029
Pojawia się w:
Archives of Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of high-speed camera measurements for determination of energy losses generated in a vibrating belt of CVT transmission
Autorzy:
Łatas, Waldemar
Kot, Adam
Powiązania:
https://bibliotekanauki.pl/articles/27311437.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
continuously variable transmission
moving beam vibrations
high-speed camera
power losses
straty mocy
przekładnia bezstopniowa
kamera szybka
drgania belki sprężystej
Opis:
The paper presents a proposition of the theoretical-experimental method of determination of power losses in the transversely vibrating rubber V-belt of continuously variable transmission. The article comprises the results of experimental tests conducted on a special test stand with a complete scooter drivetrain powered by a small two-stroke internal combustion engine. Such a configuration allows ensuring real CVT working conditions. A high-speed camera was used for the contactless measurement of belt vibrations and time-lapse image analysis was performed in dedicated software. An axially moving Euler–Bernoulli beam was assumed as the mathematical model. Longitudinal vibrations and nonlinear effects were omitted. Additionally, it was assumed that the belt material behaves according to the Kelvin–Voigt rheological model. Analysis of the damped free vibrations of the cantilever beam, made of the belt segment, allowed to determine the equivalent bending damping coefficient. The CVT power losses, due to bending in the rubber transmission belt, were obtained for the fixed working conditions after numerical calculations. The proposed methodology is a new approach in this research area, which allows to obtain results impossible to achieve with other measurement methods.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 5; art. no. e146238
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ARDP: simplified machine learning predictor for missing unidimensional academic results dataset
Autorzy:
Folorunso, Olufemi A.
Akinyede, Olufemi R.
Agbele, Kehinde K.
Powiązania:
https://bibliotekanauki.pl/articles/30148256.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
missingness
predictor variable
training datasets heuristics
unidimensionality
Opis:
In this paper, we present the Academic Results Datasets Predictor (ARDP), for missing academic results datasets, based on chi-squared expected calculation, positional clustering, progressive approximation of relative residuals, and positional averages of the data in a sampled population. Academic results datasets are data originating from inside academic institutions’ results repositories. It is a technique designed specifically for predicting missing academic results. Since the whole essence of data mining is to elicit useful information and gain knowledge-driven insights into datasets, ARDP positions data explorer at this advantageous perspective. ARDP is committed to solve missing academic results dataset problems more quickly over and above what currently obtains. PARD is computed by leveraging on the averages of neighbouring values. The predictor was implemented using Python, and the results show that it is admissible in a minimum of up to 85 percent accurate predictions of the sampled cases. It has been verified that ARDP shows a tendency toward greater precision in providing the best solution to the problems of predictions of missing academic results datasets in universities.
Źródło:
Applied Computer Science; 2023, 19, 1; 47-63
1895-3735
2353-6977
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Buckling resistance of metal columns with smoothly variable cross sections
Nośność wyboczeniowa słupów metalowych o płynnie zmiennym przekroju poprzecznym
Autorzy:
Błażejewski, Paweł
Klekiel, Tomasz
Kołodziej, Sebastian
Marcinowski, Jakub
Sakharov, Volodymyr
Powiązania:
https://bibliotekanauki.pl/articles/27312171.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
słup metalowy
przekrój pierścieniowy zmienny
siła krytyczna
metoda Ayrtona-Perry’ego
symulacja numeryczna
badanie eksperymentalne
metal column
variable cross-section
buckling resistance
Ayrton-Perry approach
numerical simulation
experimental test
Opis:
Metal columns of hollow and smoothly variable cross-sections, simply supported at their ends are considered in the paper. Columns of such shapes are recently frequently designed by architects in public utility buildings of various types. In thiswork authors present the comparatively simple method of buckling resistance assessment which can be used by designers of metal columns of such shapes. The formula on critical force required in the procedure was derived for columns of variable cross section by means of Mathematica™ system. The closed formulae were obtained for a rod with a certain, predefined geometry being the surface of revolution. Critical forces obtained by means of derived formulae were compared with results of numerical solutions. To assess the compression resistance of considered rods the general Ayrton-Perry approach was applied and bow imperfection with assumed amplitude was used in the analysis. Results of numerical simulations and experimental tests inserted in the paper confirm the correctness and the effectiveness of the proposed procedure of buckling resistance assessment of considered struts.
Przedmiotem rozważań zaprezentowanych w artykule są słupy metalowe o przekroju pierścieniowym zmiennym wzdłuż ich osi wzdłużnej i swobodnie podpartych na końcach. Słupy tego kształtu są ostatnio często projektowane przez architektów w różnego typu obiektach użyteczności publicznej. Relatywnie prosty sposób oszacowania nośności wyboczeniowej słupów rozważanego kształtu został zaprezentowany przez autorów pracy. Wzór na siłę krytyczną niezbędną do oszacowania nośności wyboczeniowej został wyprowadzony z wykorzystaniem systemu Mathematica™. Zamknięte wzory na siły krytyczne zostały wyprowadzone dla pewnej klasy prętów o wstępnie zdefiniowanej geometrii stanowiącej powierzchnię obrotową. Siły krytyczne otrzymane z pomocą wyprowadzonych wzorów były porównane z wynikami symulacji numerycznych. Aby oszacować nośność wyboczeniową zastosowano ogólne podejście Ayrton-Perry’ego i wstępne wygięcie łukowe prętów o założonych różnych amplitudach. Wyniki symulacji numerycznych i badań eksperymentalnych zamieszczone w pracy potwierdziły poprawność i efektywność zaproponowanej metody szacowania nośności wyboczeniowej rozważanych prętów.
Źródło:
Archives of Civil Engineering; 2023, 69, 3; 613--628
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computational analysis of soret and dufour effects on nanofluid flow through a stenosed artery in the presence of temperature-dependent viscosity
Autorzy:
Mishra, Nidhish K.
Powiązania:
https://bibliotekanauki.pl/articles/2204614.pdf
Data publikacji:
2023
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
Soret and Dufour effects
variable viscosity
stenosed artery
nanofluid
Opis:
In this study, the Soret and Dufour effects in a composite stenosed artery were combined with an analysis of the effect of varying viscosity on copper nanofluids in a porous medium. Blood viscosity, which changes with temperature, is taken into account using the Reynolds viscosity model. The finite difference approach is used to quantitatively solve the governing equations. For use in medical applications, the effects of the physical parameters on velocity, temperature and concentration along the radial axis have been investigated and physically interpreted. The results are graphically displayed and physically defined in order to facilitate comprehension of the various phenomena that occur in the artery when nanofluid is present. It is observed that the Soret effect increases the rate of heat transfer but decreases the rate of mass transfer. The new study enhances knowledge of non-surgical treatment options for stenosis and other abnormalities, hence reducing post-operative complications. Additionally, current research may have biomedical applications such as magnetic resonance angiography (MRA), which provide a picture of an artery and enable identification of any anomalies, and thus may be useful
Źródło:
Acta Mechanica et Automatica; 2023, 17, 2; 246--263
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conditional density function for surrogate scalar response
Autorzy:
Boumahdi, Mounir
Ouassou, Idir
Rachdi, Mustapha
Powiązania:
https://bibliotekanauki.pl/articles/18105167.pdf
Data publikacji:
2023-06-13
Wydawca:
Główny Urząd Statystyczny
Tematy:
Density function
surrogate response
functional variable
almost complete convergence
kernel estimators
scalar response
entropy
semi-metric space
Opis:
This paper presents the estimator of the conditional density function of surrogated scalar response variable given a functional random one. We construct a conditional density function by using the available (true) response data and the surrogate data. Then, we build up some asymptotic properties of the constructed estimator in terms of the almost complete convergences. As a result, we compare our estimator with the classical estimator through the Relatif Mean Square Errors (RMSE). Finally, we end this analysis by displaying the superiority of our estimator in terms of prediction when we are lacking complete data.
Źródło:
Statistics in Transition new series; 2023, 24, 3; 117-137
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Discrete identification of continuous non-linear andnon-stationary dynamical systems that is insensitive to noise correlation and measurement outliers
Autorzy:
Kozłowski, Janusz
Kowalczuk, Zdzisław
Powiązania:
https://bibliotekanauki.pl/articles/27312014.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
instrumental variable
non-linear continuous-time models
optimization
supervisory systems
security systems
system identification
Opis:
The paper uses specific parameter estimation methods to identify the coefficients of continuous-time models represented by linear and non-linear ordinary differential equations. The necessary approximation of such systems in discrete time in the form of utility models is achieved by the use of properly tuned ‘integrating filters’ of the FIR type. The resulting discrete-time descriptions retain the original continuous parameterization and can be identified, for example, by the classical least squares procedure. Since in the presence of correlated noise, the estimated parameter values are burdened with an unavoidable systematic error (manifested by asymptotic bias of the estimates), in order to significantly improve the identification consistency, the method of instrumental variables is used here. In our research we use an estimation algorithm based on the least absolute values (LA) criterion of the least sum of absolute values, which is optimal in identifying linear and non-linear systems in the case of sporadic measurement errors. In the paper, we propose a procedure for determining the instrumental variable for a continuous model with non-linearity (related to the Wienerian system) in order to remove the evaluation bias, and a recursive sub-optimal version of the LA estmator. This algorithm is given in a simple (LA) version and in an instrumental variable version (IV-LA), which is robust to outliers, removes evaluation bias, and is suited to the task of identifying processes with non-linear dynamics (semi-Wienerian/NLID). In conclusion, the effectiveness of the proposed algorithmic solutions has been demonstrated by numerical simulations of the mechanical system, which is an essential part of the suspension system of a wheeled vehicle.
Źródło:
Archives of Control Sciences; 2023, 33, 2; 391--411
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Discrete-time Takagi-Sugeno singular systems with unmeasurable decision variables: state and fault fuzzy observer design
Autorzy:
Aitdaraou, Khaoula
Essabre, Mohamed
El Assoudi, Abdellatif
El Yaagoubi, El Hassane
Powiązania:
https://bibliotekanauki.pl/articles/27312012.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
observer design
unmeasurable decision variable
SVD approach
Lyapunov function
LMIs
Opis:
The studied problem in this paper, treat the issue of state and fault estimation using a fuzzy observer in the case of unmeasurable decision variable for Discrete-Time Takagi-Sugeno Singular Sytems (DTSSS). First, an augmented system is introduced to gather state and fault into a single vector, then on the basis of Singular Value Decomposition (SVD) approach, this observer is designed in explicit form to estimate both of state and fault of a nonlinear singular system. The exponential stability of this observer is studied using Lyapunov theory and the convergence conditions are solved with Linear Matrix Inequalities (LMIs). Finally a numerical example is simulated, and results are given to validate the offered approach.
Źródło:
Archives of Control Sciences; 2023, 33, 2; 321--338
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of variable fluid properties and mixed convection on biomagnetic fluid flow and heat transfer over a stretching sheet in the presence of magnetic dipole
Autorzy:
Murtaza, M. G.
Alam, Jahangir
Tzirtzilakis, E. E.
Shamshuddin, Md.
Ferdows, M.
Powiązania:
https://bibliotekanauki.pl/articles/41191498.pdf
Data publikacji:
2023
Wydawca:
Politechnika Warszawska, Instytut Techniki Cieplnej
Tematy:
stretching sheet
biomagnetic fluid
magnetohydrodynamic
ferrohydrodynamic
magnetic dipole
magnetization
variable viscosity
thermal conductivity
rozciąganie arkusza
płyn biomagnetyczny
magnetohydrodynamika
ferrohydrodynamika
dipol magnetyczny
namagnesowanie
zmienna lepkość
przewodność cieplna
Opis:
This investigations covers the numerical analysis of a steady biomagnetic fluid flow (BFD) that passed through a two dimensional stretching sheet under the influence of magnetic dipole. The effect of fluid variable viscosity and thermal conductivity are also taken into consideration as assumed to vary as linear function of temperature. Our model mathematically formulated for BFD namely blood which consist of principles of magnetohydrodynamic (MHD) and ferrohydrodynamic (FHD), where blood treated as an electrically conducting fluid as well as polarization. Using similarity transformations, the governing system of partial differential equations are transferred into system of ordinary differential equations (ODE). The resulting coupled non linear ODE is numerically solved by employing bvp4c function technique available in MATLAB software. The effects of pertinent parameters namely ferromagnetic interaction parameter, magnetic field parameter, mixed convection parameter, viscosity variation parameter, Prandtl number, thermal conductivity parameter etc are plotted and discussed adequately for velocity and temperature profile as well as skin friction coefficient and rate of heat transfer. The results revels that velocity profile decreases as enhanced values of ferromagnetic number whereas temperature profile increased. Also found that skin friction coefficient reduces and rate of heat transfer increases by increasing values of thermal conductivity parameter and viscosity variation parameter. For numerical validation a comparisons has been made for some specific values with previous investigators. We hope that the present analysis will present in bio-medical and bio-engineering sciences.
Źródło:
Journal of Power Technologies; 2023, 103, 4; 193-208
1425-1353
Pojawia się w:
Journal of Power Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Existence and asymptotic stability for generalized elasticity equation with variable exponent
Autorzy:
Dilmi, Mohamed
Otmani, Sadok
Powiązania:
https://bibliotekanauki.pl/articles/29519335.pdf
Data publikacji:
2023
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
asymptotic stability
variable exponent Lebesgue
Sobolev spaces
generalized elasticity equation
Opis:
In this paper we propose a new mathematical model describing the deformations of an isotropic nonlinear elastic body with variable exponent in dynamic regime. We assume that the stress tensor σp(·) has the form $ σ^{p(·)}(u) =(2μ + |d(u)|^{p(·)−2}) d(u) + λTr (d(u)) I_3, $ where u is the displacement field, μ, λ are the given coefficients d(·) and I3 are the deformation tensor and the unit tensor, respectively. By using the Faedo-Galerkin techniques and a compactness result we prove the existence of the weak solutions, then we study the asymptotic behaviour stability of the solutions.
Źródło:
Opuscula Mathematica; 2023, 43, 3; 409-428
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Factors Influencing the Quality of Digital Game Localization
Autorzy:
Kabát, Marián
Powiązania:
https://bibliotekanauki.pl/articles/41310353.pdf
Data publikacji:
2023
Wydawca:
Univerzita sv. Cyrila a Metoda. Fakulta masmediálnej komunikácie
Tematy:
development
digital games
English
localization
Slovak
variable
Opis:
Software localization is an integral part of a business process as long as a company wants to sell their software products on a global scale. The purpose of the following article is to provide information about some key features of the development and publishing process that have a significant impact on digital game localization from English into Slovak. The selected features are based on a study by M. Kabát on localization aspects of non-gaming software that are here adapted to digital game localization, and on the author’s practical experience. Each key feature is briefly introduced and its impact on digital game localization is described. Where necessary, examples are provided. Other than presenting key features of digital game localization, the intent behind this paper is to spread information on digital game localization as I believe that, e.g., developers should be more informed on this topic to create more effective cooperation with localizers and in that way higher quality localization.
Źródło:
Acta Ludologica; 2023, 6, 1; 84-94
2585-8599
Pojawia się w:
Acta Ludologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Menedżer bezpieczeństwa organizacji w otoczeniu kulturowo zmiennym. Studium teoretyczno-koncepcyjne
Organization security manager in a culturally changing environment: a theoretical and conceptual study
Autorzy:
Leśniewski, Michał Adam
Powiązania:
https://bibliotekanauki.pl/articles/30145721.pdf
Data publikacji:
2023
Wydawca:
Krakowska Akademia im. Andrzeja Frycza Modrzewskiego
Tematy:
menedżer bezpieczeństwa
otoczenie kulturowo zmienne
elastyczność
studium teoretyczno-koncepcyjne
security manager
culturally variable environment
flexibility
theoretical and conceptual study
Opis:
Zmienność otoczenia zewnętrznego wpływa na zamiany zachodzące w otoczeniu wewnętrznym organizacji (przedsiębiorstwa). Jednym w czynników, które muszą być brane pod uwagę w rozwoju organizacji, jest bezpieczeństwo. Zapewnienie bezpieczeństwa organizacji wymaga posiadania menedżera bezpieczeństwa, który będzie realizował proces permanentnego stabilnego funkcjonowania organizacji w zmiennym otoczeniu. Należy pamiętać, że bezpieczeństwo można rozpatrywać w różnych punktów widzenia, nie tylko jako stan wojny lub pokoju w danym państwie, ale także stan zagrożenia ze strony konkurentów itp. Celem opracowania jest przedstawienie kulturowego modelu menedżera bezpieczeństwa wraz z czynnikiem elastyczności. Model jest wynikiem badań teoretyczno-koncepcyjnych autora niniejszego opracowania, które wzbogaca dyscyplinę nauk o zarządzaniu i jakości.
The variability of the external environment affects the changes taking place in the internal environment of the organization (enterprise). One of the factors that must be taken into account in the development of an organization is security. Ensuring the security of the organization requires having a security manager who will implement the process of a permanent stable functioning of the organization in a changing environment. It should be remembered that security can be considered from various points of view, not only as a state of war or peace in a given country, but also as a state of threat from competitors, etc. The aim of the study is to present a cultural model of a security manager with a factor of flexibility. The model is the result of theoretical and conceptual research by the author of this study, which enriches the discipline of management and quality sciences.
Źródło:
Bezpieczeństwo. Teoria i Praktyka; 2023, LIII, 4; 75-85
1899-6264
2451-0718
Pojawia się w:
Bezpieczeństwo. Teoria i Praktyka
Dostawca treści:
Biblioteka Nauki
Artykuł
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