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Search Results: 1 - 10 of 408 matches for " Mateusz Polak "
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Mateusz Polak
e-Finanse , 2012,
Abstract: The following paper is a theoretical introduction of the misinformation effect to behavioural finance. The misinformation effect causes a memory report regarding an event or particular knowledge to become contaminated with misleading information from another source. The paper aims to describe possible impact of the aforementioned phenomenon on the interpretation of stock market data, as well as the consequences of misinformation on investment-related decisions and the effective market hypothesis.
Economization of public services sector and its consequences
Ewa Polak,Waldemar Polak
Contemporary Economy , 2013,
Abstract: The work is devoted to the analysis of the process of human life’s economization Processes taking place in the economic sphere nowadays, affect the social changes in the essential way, affect both the condition of an individual and on relationships between people. The main force of the socio-cultural transformation is scientific-technological progress, especially in the communication and transport as well as promoting the principles of governing the liberal market economy by global economic actors. Neo-liberal market economy and the values and attitudes associated with it (freedom, individualism, competition, mobility, flexibility, striving at all costs to success, especially material) affect the political sphere (economization of politics, marketization of democracy) cultural (the dominance of the commercialized consumer culture) and social (destruction of traditional social structures, disintegration, dehumanisation and commercialization of human relationships and cultural patterns). Commercialized consumer culture is accompanied with marketization and economization of all spheres of life and social relations. Everything could be buying: education, safety, care, treatment and longer life. Life itself is also commercializing, insurance companies, employers, companies offering on the market different goods and services assign a specific monetary value to life. People are judged by perspective of consumer behaviour, and products suited to the cultural meaning. Traditional values are replaced by market, commercial values.
A mesh algorithm for principal quadratic forms
Agnieszka Polak
Annales UMCS, Informatica , 2011, DOI: 10.2478/v10065-011-0026-3
Abstract: In 1970 a negative solution to the tenth Hilbert problem, concerning the determination of integral solutions of diophantine equations, was published by Y. W. Matiyasevich. Despite this result, we can present algorithms to compute integral solutions (roots) to a wide class of quadratic diophantine equations of the form q(x) = d, where q : Z is a homogeneous quadratic form. We will focus on the roots of one (i.e., d = 1) of quadratic unit forms (q11 = … = qnn = 1). In particular, we will describe the set of roots Rq of positive definite quadratic forms and the set of roots of quadratic forms that are principal. The algorithms and results presented here are successfully used in the representation theory of finite groups and algebras. If q is principal (q is positive semi-definite and Ker q={v ∈ Zn; q(v) = 0}=Z · h) then |Rq| = ∞. For a given unit quadratic form q (or its bigraph), which is positive semi-definite or is principal, we present an algorithm which aligns roots Rq in a Φ-mesh. If q is principal (|Rq| < ∞), then our algorithm produces consecutive roots in Rq from finite subset of Rq, determined in an initial step of the algorithm.
Urojone-nic. Poj cie zasady w être, Monde, Imaginaire Stanislasa Bretona
Marcin POLAK
Argument : Biannual Philosophical Journal , 2012,
Abstract: A philosophical study of the concept of the principle was conducted by Stanislas Breton inhis two books: Du principe and être, Monde Imaginaire, the first of which was dominated byits analytical and abstract style, while the second was speculative and imaginary. This articleundertakes the task of reconstructing the idea of the principle contained in the latter position.In the first part of the article the author presents two currents of thought concerning theprinciple: the ontological, which is based on the category of logos, and the ontomythological,for which the leading category is mythos. After discussing the differences between these twofields of thought and their corresponding fields of being, the author undertakes an attempt atdescribing the absolute source of reality – imaginary-nothing. The attempt is accompanied bya presentation of the way in which the ineffable principle produces the Word, whose originalexpression is prattle. The article concludes with an analysis of fable as the original form of expressionof the imaginary-nothing, from which arise the two trunks of rationality mentionedabove: the ontological and the ontomythological.
Challenges and Threats of the Labor Market Based on Modern Social and Economic Changes. Selected Issues
Ewa Polak
Contemporary Economics , 2010,
Abstract: During at least the last thirty years in the global labor market significant changes in the preferred qualifications and skills, occupational structure, employment structure and income structure as well as the related to this evolution of the socio-economic functions of work can be seen. A specific polarization of the labor market takes place. The factor that differentiates the situation of individual employees and people who seek work is not only the level of education, its type and quality, but far particular predispositions, attitudes, skills and personal characteristics. The situation of an economically active persons is not an autonomous phenomenon arising only from their qualifications, knowledge, determination and life strategy, but is increasing the result of a globalization distribution – first of all global competition and the rules governing it.
Counting Triangles in Large Graphs on GPU
Adam Polak
Computer Science , 2015,
Abstract: The clustering coefficient and the transitivity ratio are concepts often used in network analysis, which creates a need for fast practical algorithms for counting triangles in large graphs. Previous research in this area focused on sequential algorithms, MapReduce parallelization, and fast approximations. In this paper we propose a parallel triangle counting algorithm for CUDA GPU. We describe the implementation details necessary to achieve high performance and present the experimental evaluation of our approach. Our algorithm achieves 8 to 15 times speedup over the CPU implementation and is capable of finding 3.8 billion triangles in an 89 million edges graph in less than 10 seconds on the Nvidia Tesla C2050 GPU.
WHAT KIND OF DANGER FROM THE INTERNET AND COMPUTER SIDE PERCEIVE POLISH AND AMERICAN YOUTH? / Existenciu akych hrozieb zo strany po íta ov a internetu si uvedomuje po ská a americká mláde ?
Muchacki Mateusz
Technológia vzdelávania , 2010,
Abstract: Both computer and Net decide strong tools of action on contemporary, especially young human. From one side those medias support his development but from the other side they can also have destructive character. Colloquial opinions shows very different consciousness of the people on the theme of the risk results from using of the computer and the Internet as well as on the theme of the responsible behavior in touch with them. In the relation to this present researches raise challenge to answer given questions: what dangers notice Polish and American youth from the side of the computer and the Internet?; which areas of dangers are important to them?; what reasons, effects, sorts and results of danger individual areas they specify?Po íta , rovnako ako aj internet, tvorí vplyvny nástroj na sú asného, najm mladého loveka. Na jednej strane tieto médiá pomáhajú rozvíja sa, na druhej strane m u ma de truktívny charakter. Laické názory poukazujú na ve mi rozmanité povedomie udí tykajúce sa rizika vyplyvajúceho z pou ívania po íta ov a internetu ako aj zodpovedného správania sa pri kontakte s nimi. V súvislosti s tym sa niektoré túdie pokúsili odpoveda na nasledujúcu otázku: existenciu akych hrozieb zo strany po íta ov a internetu si uvedomuje po ská a americká mláde , aké hrozby sú pre ne najd le itej ie, ako definujú prí iny, prejavy, druhy a následky hrozieb v jednotlivych oblastiach?
SEARC HING BY TEEN AGER S SCHOOL AND BEYOND SCHOOL KNOWLE DGE IN POL AND / Vyh adávanie kolskych a mimo kolskych veodmostí na internete v Po sku
Muchacki Mateusz
Technológia vzdelávania , 2010,
Abstract: Progress of learning increasingly often bases on independently reaching to information facts, adequate interpreting them, evaluate and estimate, correct selection, as well as use of information to critical thinking and solving problems. Those abilities are determine as informational maturity. Quite interesting then, from cognitive point of view, demonstrate the exploratory questions concern on the range of the school and beyond school knowledge searched by high school teenagers on the Internet, motives searching that knowledge and effects of teaching-studying support by computer (in self-evaluation of investigate teenagers). Proces vzdelávania kladie oraz astej ie d raz na samostatné vyh adávanie prameňov, ich správne chápanie, hodnotenie, správny vyber a vyu ívanie informácii v kritickom myslení a pri rie ení problémov. Tieto schopnosti sa definujú ako takzvaná informa ná vyspelos . Z poh adu vyskumu sa zaujímavymi ukázali otázky tykajúce sa oblastí kolského a mimo kolského vzdelávania vyh adávaného gymnazistami na internete, motívov vyh adania tychto vedomostí, ako aj vysledkov vyu ovania – u enia sa pomocou po íta a (v samohodnotení oslovenej mláde e).
Dynamic Programming and Genetic Algorithm for Business Processes Optimisation
Mateusz Wibig
International Journal of Intelligent Systems and Applications , 2012,
Abstract: There are many business process modelling techniques, which allow to capture features of those processes, but graphical, diagrammatic models seems to be used most in companies and organizations. Although the modelling notations are more and more mature and can be used not only to visualise the process idea but also to implement it in the workflow solution and although modern software allows us to gather a lot of data for analysis purposes, there is still not much commercial used business process optimisation methods. In this paper the scheduling / optimisation method for automatic task scheduling in business processes models is described. The Petri Net model is used, but it can be easily applied to any other modelling notation, where the process is presented as a set of tasks, i.e. BPMN (Business Process Modelling Notation). The method uses Petri Nets’, business processes’ scalability and dynamic programming concept to reduce the necessary computations, by revising only those parts of the model, to which the change was applied.
Medical oaths: When religion and ethics collide
Mateusz Radomyski
Amsterdam Law Forum , 2011,
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