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Tytuł:
Liquidity – Profitability Trade-Off on the Example of Companies Listed on Main and Alternative New Connect Markets on Warsaw Stock Exchange
Autorzy:
Bolek, Monika
Pluskota, Anna
Wolski, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/1022918.pdf
Data publikacji:
2020-12-31
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
liquidity
profitability
trade-off
Opis:
The goal of this paper is related to the liquidity and profitability relationship analysis and their maxima assessment in the companies listed in the main and alternative markets of Warsaw Stock Exchange. The trade-off between maximum profitability and liquidity is the result of value maximization and bankruptcy prevention strategies and this approach is expected to be similar in all listed companies due to investors’ expectation. It has been found that there is no difference in management goals in the markets taken into consideration and companies in both research samples maximize profitability within a conservative approach to the liquidity. The maximum liquidity, on the other hand, is determined with a similar level of profitability as measured by ROE on the main market of WSE and NewConnect.
Źródło:
Finanse i Prawo Finansowe; 2020, 4, 28; 27-44
2391-6478
2353-5601
Pojawia się w:
Finanse i Prawo Finansowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Liquidity – Profitability Trade-Off on the Example of Companies Listed on Main and Alternative New Connect Markets on Warsaw Stock Exchange
Autorzy:
Bolek, Monika
Pluskota, Anna
Wolski, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/2121841.pdf
Data publikacji:
2021-09-03
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
liquidity
profitability
trade-off
Opis:
The goal of this paper is related to the liquidity and profitability relationship analysis and their maxima assessment in the companies listed in the main and alternative markets of Warsaw Stock Exchange. The trade-off between maximum profitability and liquidity is the result of value maximization and bankruptcy prevention strategies and this approach is expected to be similar in all listed companies due to investors’ expectation. It has been found that there is no difference in management goals in the markets taken into consideration and companies in both research samples maximize profitability within a conservative approach to the liquidity. The maximum liquidity, on the other hand, is determined with a similar level of profitability as measured by ROE on the main market of WSE and NewConnect.
Źródło:
Finanse i Prawo Finansowe; 2021, Numer Specjalny; 7-24
2391-6478
2353-5601
Pojawia się w:
Finanse i Prawo Finansowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trade-off games and methods in participatory design
Gry symulacyjne typu trade-off i inspirowane nimi metody badawcze w projektowaniu partycypacyjnym
Autorzy:
Lasiewicz-Sych, Angelika
Powiązania:
https://bibliotekanauki.pl/articles/369913.pdf
Data publikacji:
2019
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
architecture
housing environmen
participation
research
trade-off game
architektura
badania
gra typu trade-off
partycypacja
środowisko mieszkaniowe
Opis:
Based on a widely recognized concept of simulation game, trade-off game methodology has been creatively developed in some architectural and urban citizen-initiated projects for educative goals or pre-design community activities. This method can also be a tool for design decision making because it enables effective measurement of users’ preferences in the process of simulating real constraints. The paper presents the state of knowledge and research experiment to show the actual expectations of users in the scope of the housing environment.
Metody badawcze powstałe w oparciu o gry symulacyjne typu trade-off bywają twórczo rozwijane w niektórych architektonicznych i urbanistycznych projektach, inicjowanych „oddolnie”, gdzie służą realizacji edukacyjnych i przedprojektowych celów społecznych. Metoda ta może być także narzędziem podejmowania decyzji projektowych, gdyż umożliwia ona efektywny pomiar preferencji użytkowników w procesie symulacji rzeczywistych ograniczeń. W pracy zaprezentowano stan badań i eksperyment badawczy mający wykazać faktyczne oczekiwania użytkowników w zakresie środowiska mieszkaniowego.
Źródło:
Przestrzeń i Forma; 2019, 39; 57-80
1895-3247
2391-7725
Pojawia się w:
Przestrzeń i Forma
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surrogate Worth Trade off method’s review, applications and extension
Przegląd metody „Surrogate Worth Trade-off”, aplikacje i rozszerzenia
Autorzy:
Kazemi, M.
Shooshtarian, Z.
Powiązania:
https://bibliotekanauki.pl/articles/405004.pdf
Data publikacji:
2013
Wydawca:
Politechnika Częstochowska
Tematy:
surrogate worth function
trade-off function
multi-objective
group decision making
funkcjonowanie surrogate worth
funkcja trade-off
cel wieloraki
grupa decydentów
Opis:
One of the most areas of research in recent years, is decision making methodologies under conflicting multi-objective. Due to this, several techniques have been developed. Among them, Surrogate Worth Trade - Off (SWT) method is interested to solve the multi-objective problem by analysts and researchers. This paper intends to review and application of Surrogate Worth Trade - Off technique. The SWT method is one approach that provides an interference between the decision maker’s preferences and the mathematical models associated with the non-dominated solutions. In the final part of this work a method is proposed in order to use SWT technique with multiple decision - makers.
Jednym z najbardziej ważnych obszarów badań w ciągu ostatnich lat, jest metodologia podejmowania decyzji w przypadku wielu sprzecznych celów. W związku z tym, opracowano kilka technik. Wśród nich występuje metoda Surrogate Worth Trade-off - która koncentruje się na rozwiązaniu złożonego przez wielu naukowców i analityków. Niniejszy artykuł ma na celu przegląd i sposób stosowania tej metody. Metoda SWT to podejście, które zapewnia zakłócenia między preferencjami decydenta i modeli matematycznych związanych z niedominującymi rozwiązaniami. W końcowej części artykułu, zaproponowana została metoda w celu wykorzystania SWT przy podejmowaniu wielu decyzji.
Źródło:
Polish Journal of Management Studies; 2013, 8; 98-109
2081-7452
Pojawia się w:
Polish Journal of Management Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Economics of flotation plant against different size reduction alternatives and flotation grades
Autorzy:
Tuzcu, E. Tuğcan
Demirtaş, Zafer
Powiązania:
https://bibliotekanauki.pl/articles/2146877.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
comminution
flotation
trade-off
experimental indices
CAPEX /OPEX/NPV
Opis:
This paper quantitatively shows the effect of run-of-mine (ROM) feed grade on flotation plant capacity, and also the combined effects of different feed grades and the size reduction alternative combinations on the project economics. Project economics are defined as CAPEX and OPEX The project profitability was estimated based on a “Cash Flow Model” along the life of the mine, which is ten years. The parameter for tracking project return or profitability is called NPV and IRR (internal rate of return), respectively. These parameters are standard parameters for control of project return in all engineering studies. In the scope of the study, there are a series of case studies including three different comminution alternatives in combination with three different ROM feed grade alternatives. Therefore, the nine case studies were compared based on economics which resulted from different equipment combinations and as well as the different types/amounts of process consumables. Among all the cases, Case 1 (Conventional circuit with 0.1% feed grade) gave the lowest CAPEX whereas Case 9 (High Pressure Grinding Rolls_HPGR circuit with 0.3% feed grade) gave the highest CAPEX. OPEX wise, Case 7 (HPGR circuit with 0.1% feed grade) produced the lowest whereas Case 6 (Semi-Autogenous Ball mill Crusher_SABC circuit with 0.3% feed grade) gave the highest value of OPEX. The NPV of the HPGR circuit with 0.3% feed grade case was found as maximum, which showed the quantitative effect of feed grade and equipment combination on flotation plant economics.
Źródło:
Physicochemical Problems of Mineral Processing; 2022, 58, 5; art. no. 154813
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Throughput, Spectral, and Energy Efficiency of 5G Massive MIMO Applications Using Different Linear Precoding Schemes
Autorzy:
Salah, Ibrahim
Rahouma, Kamel Hussein
Hussein, Aziza I.
Mabrook, M. Mourad
Powiązania:
https://bibliotekanauki.pl/articles/2203002.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
throughput
massive MIMO
spectral efficiency
energy efficiency
trade-off
Opis:
On fifth-generation wireless networks, a potential massive MIMO system is used to meet the ever-increasing request for high-traffic data rates, high-resolution streaming media, and cognitive communication. In order to boost the trade-off between energy efficiency (EE), spectral efficiency (SE), and throughput in wireless 5G networks, massive MIMO systems are essential. This paper proposes a strategy for EE 5G optimization utilizing massive MIMO technology. The massive MIMO system architecture would enhance the trade-off between throughput and EE at the optimum number of working antennas. Moreover, the EE-SE tradeoff is adjusted for downlink and uplink massive MIMO systems employing linear precoding techniques such as Multiple -Minimum Mean Square Error (M-MMSE), Regularized Zero Forcing (RZF), Zero Forcing (ZF), and Maximum Ratio (MR). Throughput is increased by adding more antennas at the optimum EE, according to the analysis of simulation findings. Next, utilizing M MMSE instead of RZF and ZF, the suggested trading strategy is enhanced and optimized. The results indicate that M-MMSE provides the best tradeoff between EE and throughput at the determined optimal ratio between active antennas and active users equipment’s (UE).
Źródło:
International Journal of Electronics and Telecommunications; 2023, 69, 1; 185--191
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integrating mitigation and adaptation in climate, water and development policies in Krakow
Autorzy:
Dubel, A.
Powiązania:
https://bibliotekanauki.pl/articles/95665.pdf
Data publikacji:
2017
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
klimat
łagodzenie
adaptacja
synergia
kompromis
climate
mitigation
adaptation
synergies
trade-off
Opis:
In view of such a complex phenomena as climate change not sufficient outcomes emerge from concentrating separately on mitigation or adaptation efforts, but rather it is their integration in a coherent policy and the subsequently planned actions that could increase effectiveness and efficiency as well as intensify the desired results. This working hypothesis is elaborated in the paper based on the case study of the city of Krakow in the Southern Poland. The aim of the paper is to identify the synergies and trade-offs from the climate mitigation and adaptation efforts planned within the climate, water and development sectors in Krakow. The scoping study of the policies and strategic documents was performed with that respect and the state-of-the-art literature was studied to capture the latest advancements in the climate mitigation and adaptation integration studies in order to develop the research method. The applied method was validated as relevant for integration of these aspects with the focus on the cities. The results show the landscape of the planned strategic actions towards mitigation and adaptation to climate change as well as synergies and trade-offs between the two. In the discussion the results are analysed in view of the identified performed studies of this type.
Źródło:
Ekonomia i Środowisko; 2017, 1; 226-235
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the Capital Structure of Polish Companies During the Last Twenty Years (1997–2017)
Autorzy:
Gajdka, Jerzy
Szymański, Marek
Powiązania:
https://bibliotekanauki.pl/articles/957646.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
capital structure
debt
corporate finance
pecking order theory
trade-off theory
Opis:
Theoretical background: The capital structure is one of the most important areas in the modern theory of corporate finance. It has inspired the development of a large number of theoretical approaches, but a universally accepted theory of capital structure has not yet been developed. A common belief holds that companies try to achieve a stable capital structure in the long term; thus, companies that, at a given time, are characterised by a relatively low (or high) level of debt, also probably had the same level in previous periods.Purpose of the article: The main purpose of this paper is to provide answers to two basic questions: 1) How did the aggregate capital structure of the non-financial companies listed on the Warsaw Stock Exchange (WSE) change from 1997 to 2017?; 2) What factors are decisive for the companies’ capital structure and do the current trends in capital structure theory take account of them?Research methods: The research is carried out in two phases. In phase 1, the descriptive statistics method is applied to analyse how the capital structure of WSE-listed companies changed in the years 1997–2017. In phase 2, the capital structure determinants are examined using multiple regression models.Main findings: The capital structure of WSE companies varied significantly in the sample years, and overall, the debt ratios, total, short-, and long-term debt slightly increased. The causes of the changes were the economic environment factors (banking sector assets, government debt, and corporate income tax) and macroeconomic circumstances, along with the companies’ characteristics. Among the latter, the company’s profitability and the share of fixed assets in total assets usually turned out to be statistically significant.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska, sectio H – Oeconomia; 2019, 53, 4; 53-68
0459-9586
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska, sectio H – Oeconomia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Milk-run routing and scheduling subject to a trade-off between vehicle fleet size and storage capacity
Autorzy:
Bocewicz, Grzegorz
Bożejko, Wojciech
Wójcik, Robert
Banaszak, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/406978.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
milk-run system design
routing
scheduling
trade-off point
Industry 4.0
Opis:
The objective of the milk-run design problem considered in this paper is to minimize transportation and inventory costs by manipulating fleet size and the capacity of vehicles and storage areas. Just as in the case of an inventory routing problem, the goal is to find a periodic distribution policy with a plan on whom to serve, and how much to deliver by what fleet of tugger trains travelling regularly on which routes. This problem boils down to determining the trade-off between fleet size and storage capacity, i.e. the size of replenishment batches that can minimize fleet size and storage capacity. A solution obtained in the declarative model of the milk-run system under discussion allows to determine the routes for each tugger train and the associated delivery times. In this context, the main contribution of the present study is the identification of the relationship between takt time and the size of replenishment batches, which allows to determine the delivery time windows for milkrun delivery and, ultimately, the positioning of trade-off points. The results show that this relationship is non-linear.
Źródło:
Management and Production Engineering Review; 2019, 10, 3; 41-53
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Struktura planowanych przeglądów technicznych ciągników rolniczych na podstawie badań porównawczych
Structure of planned technical service of agricultural tractors based on comparative research
Autorzy:
Rybacki, P.
Rzeźnik, C.
Buchwald, T.
Powiązania:
https://bibliotekanauki.pl/articles/334947.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
ciągniki rolnicze
przeglądy techniczne
badania porównawcze
farm tractors
technical inspection
trade-off studies
Opis:
Planowane przeglądy techniczne odgrywają znaczącą rolę w utrzymaniu zdatności ciągnika do użytkowania. Dlatego też wykonywanie ich zgodnie z zaplanowanym harmonogramem umożliwia utrzymanie parametrów pracy ciągnika na wymaganym poziomie. Przedstawiono wyniki badań porównawczych struktury planowanych przeglądów technicznych ciągników rolniczych, które pozwalają na ekonomiczną kalkulację kosztów ich eksploatacji.
Planned technical service are important in maintaining the ability of the tractor to use, so as to carry out their planned schedule will keep the machine operating parameters at the required level. The paper contains the results of comparative studies of the planned structure of the technical inspections of tractors, which allow the calculation of economic costs of their operation.
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2013, 58, 2; 141-144
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A hybrid algorithm based on non-dominated sorting ant colony and genetic algorithmsfor solving multi-objective multi-mode project scheduling problems under resource constraints
Autorzy:
Bagherinejad, Jafar
Jolai, Fariborz
Abdollahnejad, Raheleh
Shoeib, Mahnaz
Powiązania:
https://bibliotekanauki.pl/articles/407427.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
multi-objectives project scheduling
ant colony algorithm
time-cost trade-off
resource leveling
Opis:
A project scheduling problem investigates a set of activities that have to be scheduled due to precedence priority and resource constraints in order to optimize project-related objective functions. This paper focuses on the multi-mode project scheduling problem concerning resource constraints (MRCPSP). Resource allocation and leveling, renewable and non-renewable resources, and time-cost trade-off are some essential characteristics which are considered in the proposed multi-objective scheduling problem. In this paper, a novel hybrid algorithm is proposed based on non-dominated sorting ant colony optimization and genetic algorithm (NSACO-GA). It uses the genetic algorithm as a local search strategy in order to improve the efficiency of the ant colony algorithm. The test problems are generated based on the project scheduling problem library (PSPLIB) to compare the efficiency of the proposed algorithm with the non-dominated sorting genetic algorithm (NSGA-II). The numerical result verifies the efficiency of the proposed hybrid algorithm in comparison to the NSGA-II algorithm.
Źródło:
Management and Production Engineering Review; 2020, 11, 2; 88-98
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Capital structure determinants and firms’ performance : empirical evidence from Thailand, Indonesia and Malaysia
Determinanty struktury kapitałowej a wydajność firmy : wyniki badań empirycznych z Tajlandii, Indonezji i Malezji
Autorzy:
Mursalim, -
Mallisa, M.
Kusuma, H.
Powiązania:
https://bibliotekanauki.pl/articles/953244.pdf
Data publikacji:
2017
Wydawca:
Politechnika Częstochowska
Tematy:
capital structure
firms performance
pecking order
trade-off
struktura kapitału
wydajność firm
kompromis
Opis:
Financing decision of the firms can be a difficult decision in corporate finance. Many factors may affect these decisions. These choices may also influence capital structure and can improve firm performance. The objective of this study is to investigate the capital structure determinants of the firms in Indonesia, Malaysia, and Thailand. In this study, the investigated variables are profitability, firm size, growth opportunity, volatility, gross domestic product (GDP rate), inflation rate, and corporate governance. Using path analysis of two-multiple regressions, the leverage behavior is examined for the firm samples consisting of 94 Indonesian firms, 153 Malaysian firms, and 74 Thailand firms for the period 2008-2012. The results show that company’s profitability, firm size and volatility have dominant and consistent roles in explaining the variation of the capital structure. The variables of growth opportunity, gross domestic product, inflation rate and corporate governance in general influence the variation of the capital structure. Furthermore, the capital structure of firms was significantly related to the firm performance.
Decyzja dotycząca finansowania firm może być trudną kwestią w zakresie finansów korporacyjnych. Na takie decyzje może wpływać wiele czynników. Dokonywane wybory mogą również wpływać na strukturę kapitału i mogą poprawić wydajność firmy. Celem tego badania jest zbadanie determinant struktury kapitałowej firm w Indonezji, Malezji i Tajlandii. W badaniu tym badane zmienne to: rentowność, wielkość firmy, możliwości wzrostu, zmienność, produkt krajowy brutto (stopa PKB), stopa inflacji i ład korporacyjny. Wykorzystując analizę ścieżek regresji, zachowanie dźwigni zbadano na podstawie firmowych próbek składających się z 94 indonezyjskich, 153 malezyjskich i 74 tajlandzkich firm w latach 2008-2012. Wyniki pokazują, że rentowność, wielkość i zmienność firmy pełnią dominujące i stałe role w wyjaśnianiu zmienności struktury kapitału. Zmienne dotyczące możliwości wzrostu, produktu krajowego brutto, stopy inflacji i ładu korporacyjnego, wpływają na zmienność struktury kapitału. Ponadto struktura kapitałowa firm była istotnie powiązana z wynikami firmy.
Źródło:
Polish Journal of Management Studies; 2017, 16, 1; 154-164
2081-7452
Pojawia się w:
Polish Journal of Management Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Equity-efficiency dilemma and tax harmonization
Autorzy:
Dalamagas, Basil
Leventides, John
Tantos, Stefanos
Powiązania:
https://bibliotekanauki.pl/articles/2182061.pdf
Data publikacji:
2022-12-31
Wydawca:
Uniwersytet Warszawski. Wydział Nauk Ekonomicznych
Tematy:
equity-efficiency trade off
direct-indirect tax rates
growth
income distribution
tax harmonization
Opis:
The present paper attempts to demonstrate that finding an appropriate trade-off between direct and indirect taxes can help smooth policy makers’ way through reconciling the contradictory notions of equity and efficiency. Our theoretical and empirical analysis is based on the assumption that direct taxes discourage work effort, thus impinging on the incentives to supply labour, to save and to invest, and finally, to grow, whereas indirect taxes discourage consumption and bear more heavily on the poor. Central to our discussion is the argument that carefully designed adjustments in the tax mix can reduce distortions in the consumption-leisure decision, thus leading to an optimal allocation of resources between the equity and efficiency objectives. To derive a competitive equilibrium setting, a social welfare function is maximized and the first-order conditions are manipulated to trace out the optimal direct-indirect tax rates that pave the way for the equity-efficiency goals to be reconciled with each other.
Źródło:
Central European Economic Journal; 2022, 9, 56; 342-353
2543-6821
Pojawia się w:
Central European Economic Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An adaptive method based on PC-Kriging for system reliability analysis of truss structures
Autorzy:
Chen, Pengyu
Zhao, Cunbao
Yao, He
Zhao, Shengnan
Powiązania:
https://bibliotekanauki.pl/articles/27312783.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
trade-off
truss structures
system reliability analysis
global metamodel
local metamodel
representative failure modes
Opis:
In practice, a truss consists of a large number of members which makes it a complex system. This leads to difficulties to estimate the system reliability due to computational costs. An adaptive method is thereby proposed to deal with this issue. It constructs a global metamodel to quickly estimate the rough reliability index of a truss. According to the estimated reliability index, the differential evolution algorithm is performed to generate more samples located in an expanded domain so that more representative failure modes can be identified. Combined with AK-SYSi, local metamodels of representative failure mods are built, and updated through active learning. When the convergence criterion is satisfied, the results of system reliability analysis can be obtained. Eventually, two examples of truss structures are studied to illustrate the superiority of the proposed method in balancing accuracy and efficiency. The results indicate that the proposed method makes a good balance between accuracy and efficiency when it is applied to analyze the system reliability of the truss.
Źródło:
Eksploatacja i Niezawodność; 2023, 25, 3; art. no. 169497
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Generalizing trade-off deirections in multiobjective optimization
Autorzy:
Mäkelä, M. M.
Nikulin, Y.
Mezei, J.
Powiązania:
https://bibliotekanauki.pl/articles/205690.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
generalized trade-off directions
multiobjective optimization
geometrical characterization
convex and nonconvex optimization
optimality principles
Opis:
We consider a general multiobjective optimization problem with five basic optimality principles: efficiency, weak and proper Pareto optimality, strong efficiency and lexicographic optimality. We generalize the concept of trade-off directions defining them as some optimal surface of appropriate cones. In convex optimization, the contingent cone can be used for all optimality principles except lexicographic optimality, where the cone of feasible directions is useful. In nonconvex case the contingent cone and the cone of locally feasible directions with lexicographic optimality are helpful. We derive necessary and sufficient geometrical optima lity conditions in terms of corresponding trade-off directions for both convex and nonconvex cases.
Źródło:
Control and Cybernetics; 2012, 41, 3; 561-576
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 29

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