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Wyświetlanie 1-15 z 61
Tytuł:
New results on imbalance graphic graphs
Autorzy:
Kozerenko, Sergiy
Serdiuk, Andrii
Powiązania:
https://bibliotekanauki.pl/articles/29519186.pdf
Data publikacji:
2023
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
edge imbalance
irregularity of a graph
imbalance sequence
graphic sequence
Opis:
An edge imbalance provides a local measure of how irregular a given graph is. In this paper, we study graphs with graphic imbalance sequences. We give a new proof of imbalance graphicness for trees and use the new idea to prove that the same holds for unicyclic graphs. We then show that antiregular graphs are imbalance graphic and consider the join operation on graphs as well as the double graph operation. Our main results are concerning imbalance graphicness of three classes of block graphs: block graphs having all cut vertices in a single block; block graphs in which the subgraph induced by the cut vertices is either a star or a path. In the end, we discuss open questions and conjectures regarding imbalance graphic graphs.
Źródło:
Opuscula Mathematica; 2023, 43, 1; 81-100
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Federalny system wyrównania finansowego w okresie stabilizacji finansów publicznych w Niemczech
Autorzy:
Kowalik, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/951120.pdf
Data publikacji:
2013
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
vertical fiscal imbalance
federal financial equalization
horizontal fiscal imbalance
Opis:
Federal system of public finance is extremely complicated. Financial inequalities which are found are eliminated by the national and federal systems of financial equalization. The article attempts to approximate and characterize German federal system of financial compensation for the period 2005-2012. The article presents the legal basis for this compensation and method of tax distribution, it determines the amount of compensation and supplementary allowances and shows how financial compensation for the period 2005-2012 was conducted.
Źródło:
Financial Sciences. Nauki o Finansach; 2013, 1 (14); 43-58
2080-5993
2449-9811
Pojawia się w:
Financial Sciences. Nauki o Finansach
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the Macroeconomic Stability of Central and Eastern European Countries with a View Toward their Membership in the European Union. Multidimensional Risk Analysis
Autorzy:
Pera, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/633147.pdf
Data publikacji:
2016-09-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
stability
risk
imbalance
destabilisation
divergence
Opis:
The economies of European countries have been undergoing constant turbulence for several years. This is the consequence of a range of factors, in particular: the 2007 crisis; violations of the convergence criteria and fiscal discipline; problems with the liquidity of international financial markets; depreciation of the euro currency; increasing unemployment in European Union Member States; the slow increase in productivity in the majority of EU economies; growing indebtedness of public finance sectors; problems with retirement schemes – in particular with correlation between their effectiveness and unemployment and low rate of natural increase. Thus, the author posits that it is important to analyse the key aspects related to these economic parameters which may affect this process in a significant way and decide the risk of its occurrence. This is the assumed aim of this work. The work shows the results of the author’s own study, carried out with the use of different methods, such as the macroeconomic stabilisation pentagon, the Scoreboard, and Spearman's rank correlation coefficient. The variety of test methods employed results on one hand from the problem's complexity, and on the other from a profound analysis of all dependencies and risks resulting from this complexity. The conducted study shows that there is a significant correlation between the Scoreboard parameter imbalances and the intensity of crisis phenomena in case of violations of the acceptable thresholds in terms of current account balance, net international investment position, export market shares, nominal unit labour costs, real house prices, private sector debt, government debt, and the unemployment rate. The imbalances of these eight indicators may form an adverse macroeconomic environment favouring the occurrence of intense crisis phenomena, which means that they should be subject to special monitoring. The shapes of the macroeconomic stabilisation pentagon for CEEC economies in 2014 shows that none of the analysed countries is characterised by total filling of the pentagon. This means that the economic situation in these countries is not stable and requires constant monitoring. The figures related to all analysed indicators, apart from GDP, are characterised by a flattened shape, which is characteristic for such a situation.
Źródło:
Comparative Economic Research. Central and Eastern Europe; 2016, 19, 3; 69-92
1508-2008
2082-6737
Pojawia się w:
Comparative Economic Research. Central and Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The risk of the increasing divergence of the eurozone and the problem of macroeconomic imbalances in a three-gap model
Autorzy:
Jacek, Pera
Powiązania:
https://bibliotekanauki.pl/articles/557871.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
convergence
divergence
risk
eurozone
imbalance
Opis:
The negative effects of the last financial and economic crisis as seen in the deterioration of the state of public finances of the eurozone Member States highlighted weaknesses in the present institutional system. The fact that structural reforms have stopped, as well as unfavourable demographic changes, make the convergence processes and the growth of eurozone economies slow down. Increasing divergence with regard to trade balance deficits, budget deficits, investments and private savings is a significant limiting factor here. The aim of this paper is to answer the question as to whether the present situation of the eurozone economies is of a convergent or divergent nature. For this purpose the following have been analysed and assessed: the last financial crisis' consequences for eurozone countries; basic indicators related to the EU Member States' macroeconomic situation; domestic economies convergence/divergence in the eurozone - in relation to other Member States; increased divergence of regional development within a country, the so-called regional divergence; criteria of convergence; macroeconomic factors and – as mentioned before – the listed indicators resulting from the research method adopted . The method of study in this paper was the analysis of the risk of the eurozone's macroeconomic imbalance on the basis of the three-gap model.Results of the analysis showed significant imbalances within individual economies in terms of all the above mentioned parameters. This analysis showed the increasing trend related to eurozone divergence.
Źródło:
Economics and Business Review; 2016, 2(16), 2; 18-38
2392-1641
Pojawia się w:
Economics and Business Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Global risks of endometriosis in women – an appraisal
Autorzy:
Roy, Chhandika
Mondal, Nitish
Powiązania:
https://bibliotekanauki.pl/articles/25108029.pdf
Data publikacji:
2023-06-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
infertility
endometriosis
hormonal imbalance
Opis:
Introduction and aim. Endometriosis is a complex condition in which endometrium, tissue that resembles the uterine lining, develops outside the uterus. It is considered to be a chronic, estrogen-dependent, inflammatory gynecological disorder having multi-factorial origins. This review paper aims to consolidate recent information on ethnic differences, endometriosis risks, and the disease’s etiology in the global context. Material and methods. A systematic search was performed using a variety of international electronic databases, including “PubMed” and “DOAJ”, using the terms endometriosis, endometriosis and infertility, endometriosis and cancer, and treatment of endometriosis. Analysis of the literature. Endometriosis can appear anywhere in the body, including the umbilicus, the cecum and ileum of the digestive tract, the breast, the lungs, and the genitourinary organs. It is typically clinically asymptomatic with no obvious clinical manifestation and expensive treatment, which makes the diagnosis late. There is a complex interplay between socioeconomic status, family history, societal beliefs and laws, personal habits, reproductive and gynaecological conditions, and environmental influences in the development of endometriosis. Conclusion. Women with endometriosis should be given more attention, and specific resources in the healthcare system should be utilized to provide more efficient multidisciplinary healthcare and treatment.
Źródło:
European Journal of Clinical and Experimental Medicine; 2023, 2; 405-415
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macroeconomic Imbalances in the Euro Area
Autorzy:
Pietrucha, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/969426.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Warszawski. Centrum Europejskie
Tematy:
Euro;
Macroeconomic Stability;
EMU;
Macroeconomic Imbalance Procedure;
Opis:
Macroeconomic imbalances constitute one of the most important threats to the cohesion of the monetary union. The aim of this article is to examine the current state of imbalances using the new composite indicator of macroeconomic stability. The calculated composite indicators of macroeconomic stability allow for the formulation of the following interpretations regarding changes and the current level of macroeconomic imbalances in the Euro area: 1. The aggregate pressure from macroeconomic imbalances in the Euro area is currently the lowest in the whole period for which data is available; 2. The imbalances in the Euro area have been partially limited, but more precisely, it should be said that they have changed their face rather than disappeared; 3. A significant reduction of imbalances occurred in the case of variables which, in the majority of interpretations, were directly blamed for the exacerbation of the post-2008 crisis phenomena: current account balance, unit labour costs, or credit growth. At the same time, imbalances in terms of international net investment position and public and private debt, as well as imbalances in the labour market, have significantly increased.
Źródło:
Studia Europejskie - Studies in European Affairs; 2019, 4; 73-90
1428-149X
2719-3780
Pojawia się w:
Studia Europejskie - Studies in European Affairs
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Balancing electric power in a microgrid via programmable agents auctions
Autorzy:
Pałka, P.
Radziszewska, W.
Nahorski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/206683.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
multi-agent system
microgrid management
shortshortterm imbalance reduction
Opis:
The paper presents an application of an auction algorithm in a multi-agent computer system for managing the unbalanced energy in a microgrid. The main goal of the system is to control and minimize the deviations of the current energy dem and from the actual energy production, using an auction algorithm. Distributed generation is assumed in the microgrid, with renewable power sources. The energy storages and the controllable power sources improve the system operation. The differences between the actual demand and produced energy are caused by unpredictable level of electric power generation by uncontrolled sources, like wind turbines or solar panels, and/or randomness of power utilization. The system will tend to balance out these differences on-line in short time intervals (less than one minute) to follow-up varying levels of local power generation and loads.
Źródło:
Control and Cybernetics; 2012, 41, 4; 777-797
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Matching and Non-Matching Skills: Assessment and Searching for Ways to Balance
Autorzy:
Ilich, Liydmyla
Powiązania:
https://bibliotekanauki.pl/articles/2151126.pdf
Data publikacji:
2017
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
labor market
skills
matching
non-matching
imbalance
anticipating
Opis:
At the end of the previous century most world countries faced serious complex problems concerning of mismatching skills and jobs which were regarded as the crisis of educa- tional systems. The main cause of this crisis was intensification of contradictions between qualitative changes occurred in global society on the account of increase in demand for knowledge and intensification of its spreading and evolutionary and extensive education development. The problem of matching skills and jobs has become of actual importance since the mo- ment when the needs for labor force in developed countries increased. Employers called the need for skills as well as the need for employees eager to upgrade their knowledge constantly, get new skills and crucially new competences allowing them both to fulfill their duties successfully and create new workplaces independently. Nowadays the attention of scientific community is draws to estimation of matching skills and jobs as well as over- coming imbalances existing at the labor market. The article does a research into impact of skills anticipating on subjects of economy’s behavior and economy in general. Activities of workplace’s overeducation and undereducation in some European countries and Ukraine are analysed, the best practice of overcoming such imbalances is investigated.
Źródło:
Prosopon. Europejskie Studia Społeczno-Humanistyczne; 2017, 3(20); 5-14
1730-0266
Pojawia się w:
Prosopon. Europejskie Studia Społeczno-Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of muscule imbalance in students 3rd year at cpu
Autorzy:
Šimončičová, Lenka
Kanásová, Janka
Powiązania:
https://bibliotekanauki.pl/articles/1031797.pdf
Data publikacji:
2014
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
Movement stereotypies disorder
Muscle imbalance
Shortened muscles
Weakened muscles
Opis:
The goal of the thesis was to identify and then compare the incidence of muscle imbalance at 3rd grade students in the academic years 2012/2013 and 2013/2014 at EF CPU in Nitra. The object of our monitoring were 78 students in decimal age from 20.21 to 27.58 years. We analyze the overall incidence of muscle imbalance in the two academic years, the frequency of shortened muscles, weakened muscle and movement stereotypies disorder. At the same time we compare identical characteristics among all female students and among male students as well. We examined the muscle imbalance according to method of Janda (1982) modified by Thurzová (1992) for the purpose of physical education. Based on the measurements, we discovered a high occurrence of overall muscle imbalance at every tested subject in both academic periods. We noticed that the occurrence of shortening in shortened muscles was the highest in the first period in m. rectus femoris and in 78.4 % of subjects and next period at m. quadratus lumborum in 82.4 % of subjects. The frequency of muscle weakened was the highest in both periods the extensors of hip joint in 83 % of subjects first period, 85.3 % of subjects of the second period. When movement stereotypies we observed a high incidence of breaches of movement stereotypies in extension in hip joint in both academic years and 83% (2012/2013) and 82.4 % (2013/2014) subjects. Based on the identified results, we can deduce that not only in individuals that lead hypokinetic way of life but also for students who are regularly engaged locomotor activity but no emphasis on thorough compensation tends to develop muscle imbalances.
Źródło:
Physical Activity Review; 2014, 2; 55-64
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inicjatywy legislacyjne i polityczne w odniesieniu do funkcjonowania Unii Europejskiej
Legislative and political initiatives on EU’s functioning
Autorzy:
Zombirt, Jolanta
Powiązania:
https://bibliotekanauki.pl/articles/569796.pdf
Data publikacji:
2014
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
economic integration
economic governance
European semester
budget
macroeconomic imbalance
Opis:
During the debt crisis in Europe as well as during the global financial crisis it became clear that existing solutions on economic governance were highly unsatisfactory. After numerous measures having rather uncoordinated features and executed in an ad hoc manner, even in the particular member states, the EU has started to examine the framework of an economic governance in Europe. The intention of this text is to present, in the chronological order, measures having been adopted in the last three – four years. We start with a description of so called Sixpact consisting of five regulations and one directive. These legal acts aim to strengthen discipline concerning fiscal policies not only in the eurozone but also in all the remaining member states of the EU. They also cover measures on counteracting excessive macroeconomic imbalances. European semester constitutes a very important part of the Sixpact that should foster the co-ordination of the economic governance in the EU. Next, a Treaty on Stability, Co-ordination and Economic Governance has been detailed. It has been indicated that TSCG will not be binding (similarly as the Euro Plus Pact) for all the member states. Finally, the newest European project, so called Twopack, has been described. Twopack significantly interferes into procedures of forming national budgets in the eurozone member states. The article does not provide for the European Stability Mechanism because its description would largely surpass the allowed length of the text.
Źródło:
Ekonomia XXI Wieku; 2014, 1(1); 95-116
2353-8929
Pojawia się w:
Ekonomia XXI Wieku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gender Equality In Ukrainian Economy As A Factor For Sustainable Development
Autorzy:
Golysheva, Ievgeniia
Powiązania:
https://bibliotekanauki.pl/articles/2171203.pdf
Data publikacji:
2022-01-31
Wydawca:
Wyższa Szkoła Ekonomiczno-Humanistyczna w Bielsku-Białej
Tematy:
gender equality
Sustainable Development Goals
Polska
Ukraine
gender imbalance
Opis:
This article aims to analyze the state of gender equality in the Ukrainian economy and identify key issues. The article considers the indicators of gender equality, which are planned in the context of the Sustainable Development Goals. And also, the place of Ukraine in various country rankings on gender equality is analyzed. For comparison, data from other countries, including Poland. The main problems that prevent overcoming gender inequality in Ukraine are identified based on the study. Achieving gender equality is an important condition for sustainable development for any country. That is why Ukraine needs to develop and implement effective measures to address the imbalance between women and men, especially in the economic sphere. Using the potential of women will increase economic performance and promote socio-economic and environmental development. Further research will focus on the experiences of other countries that have better achieved gender equality. Based on these studies, recommendations for further action for Ukraine can be developed.
Źródło:
MIND Journal; 2021, 12; 1-10
2451-4454
Pojawia się w:
MIND Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macroeconomic imbalance procedure (MIP) scoreboard indicators and their predictive strength of ?multidimensional crises?
Autorzy:
Biegun, Krzysztof
Karwowski, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/22444434.pdf
Data publikacji:
2020
Wydawca:
Instytut Badań Gospodarczych
Tematy:
macroeconomic imbalance procedure
economic crisis
multidimensional crisis
ordered probit model
Opis:
Research background: The evaluation of the predictive strength of MIP indicators in relation to crises is extremely important for the process of coordinating the economic policies of the EU countries. MIP is one of the pillars of the economic crisis prevention procedure. Predictive power of individual indicators has not been tested before their introduction. Purpose of the article: Evaluation of the predictive strength of fourteen MIP indicators in relation to multidimensional crises in the EU countries. Methods: We used ordered probit model to test the ability of MIP indicators to correctly predict episodes of ?multidimensional crises? (as defined by the authors) in the period between 2008 and 2017 in all EU Member States. Findings & Value added: We defined ?multidimensional crises?, combining several negative phenomena into one limited dependent variable. This work is also novel in its application of probit regression to test the predictive strength of MIP indicators with an ordered probit model. We identified five MIP variables which were statistically significant in predicting ?multidimensional crises? for all EU countries: net international investment position, nominal unit labour cost index, house price index, private sector credit flow and general government gross debt. Other variables turned out to be less important or not effective in crises prediction.
Źródło:
Equilibrium. Quarterly Journal of Economics and Economic Policy; 2020, 15, 1; 11-28
1689-765X
2353-3293
Pojawia się w:
Equilibrium. Quarterly Journal of Economics and Economic Policy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The relationship between indicators of workaholism and burnout in specialists and managers
Autorzy:
Staszczyk, Sabina
Tokarz, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/2127849.pdf
Data publikacji:
2019-04-05
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
workaholism
burnout syndrome
work–life imbalance
use of time
seniority
Opis:
The aim of the study was to: (1) confirm the expected positive relationships between workaholism and burnout syndrome; (2) explore the relationships between the indicators of workaholism, burnout, and seniority; (3) build and verify empirically the structural model in an attempt to structure the relationships between the studied variables. The verification of the hypothesis was conducted among white-collar workers of a large company operating in the Polish market. Of the indicators of workaholism, only work enjoyment and work–life imbalance – doing showed significant relationships with both components of burnout. The strongest negative predictor of burnout was work enjoyment. On the basis of correlation and regression analyses, the structural model explaining the variance in burnout syndrome was proposed and tested. Indicators of workaholism and seniority were the explanatory variables.
Źródło:
Roczniki Psychologiczne; 2015, 18, 4; 523-540
1507-7888
Pojawia się w:
Roczniki Psychologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new hybrid approach for data level balancing classes in classification problems
Nowe hybrydowe podejście równoważenienia liczności klas w problemie klasyfikacji
Autorzy:
Szeszko, P.
Topczewska, M.
Powiązania:
https://bibliotekanauki.pl/articles/404015.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Symulacji Komputerowej
Tematy:
class imbalance
oversampling
classification
niezbalansowanie liczności klas
nadpróbkowanie
klasyfikacja
Opis:
The article concerns the problem of imbalanced data classification. A new algorithm is presented and tested. The HImbA technique is a hybrid method that uses well-known SMOTE algorithm and modified k-nearest neighbours method. 28 datasets have been preprocessed using the HImbA and 10 variants of existing techniques, classified using two algorithms (C4.5 and SMO) and the results have been compared. The new algorithm occurred to give the best results for some datasets.
Praca dotyczy braku zrównoważenia liczności klas w problemie klasyfikacji. Zaprezentowany oraz przetestowany został nowy algorytm. Technika HImbA jest metodą hybrydową, która łączy znany algorytm SMOTE oraz zmodyfikowaną wersję metody k najbliższych sąsiadów. Została ona zastosowana wraz z dziesięcioma wariantami istniejących technik w celu przetwarzania wstępnego 28 zbiorów danych, które zostały następnie poddane klasyfikacji (użyto dwóch algorytmów – C4.5 oraz SMO), a wyniki zostały porównane. Dla wybranych zbiorów przy użyciu nowego algorytmu uzyskano najlepsze rezultaty.
Źródło:
Symulacja w Badaniach i Rozwoju; 2017, 8, 3-4; 145-155
2081-6154
Pojawia się w:
Symulacja w Badaniach i Rozwoju
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimation and Compensation of IQ Imbalance in SWIPT System
Autorzy:
Nair, Ajin R.
Kirthiga, S.
Jayakumar, M.
Powiązania:
https://bibliotekanauki.pl/articles/2055272.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
SWIPT
power splitting
iq imbalance
energy harvesting
hardware impairments
blind compensation
Opis:
Although there are many articulations of SWIPT architecture implementations, the hardware impairment aspect involved in the SWIPT architecture system is not given much attention. This paper evaluates the performance of SWIPT PS Receiver architecture in the presence of IQ imbalance hardware impairment with 16-QAM transmitter and AWGN channel. The parameters SNR, BER is evaluated in the presence of amplitude, phase imbalance, and PS factor at the SWIPT receiver side. Further, the IQ imbalance is estimated and compensated using a blind compensation algorithm. The system achieved a maximum BER of 10−7 in the presence of amplitude and phase imbalance of 0.2 and 1.6 respectively.
Źródło:
International Journal of Electronics and Telecommunications; 2021, 67, 4; 679--684
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
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