196,141 research outputs found

    Piotr Stanisław Wiśniewski

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    Piotr Stanisław Wiśniewski, father of Zofia Wiśniewska (later: Zofia Krzyżanowska; Zofia Drzewieniecki). Photo by M. Januszkiewicz, Krakowskie Przemieście no. 40, Warsaw.https://digitalcommons.buffalostate.edu/zdrzphotos/1002/thumbnail.jp

    Organizational culture’s role in assessment of subjective person − organization fit

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    The paper has the empirical character. The aim of the study was to diagnose the sources of information for assessment of subjective person − organization fit during the recruitment process. The results of the study suggest that, to determine their person − organization fit, people rely on certain components of organizational culture, like quality of services and products, development opportunities much more then on others. Those components should be used more extensively by the recruiting company to attract potential employees.Udostępnienie publikacji Wydawnictwa Uniwersytetu Łódzkiego finansowane w ramach projektu „Doskonałość naukowa kluczem do doskonałości kształcenia”. Projekt realizowany jest ze środków Europejskiego Funduszu Społecznego w ramach Programu Operacyjnego Wiedza Edukacja Rozwój; nr umowy: POWER.03.05.00-00-Z092/17-00. Artykuł powstał w ramach projektu „Wielowymiarowa Analiza Zachowań Organizacyjnych (WAZO) – metodyka i narzędzia pomiaru”, nr projektu 2013/09/B/HS4/02722. Projekt finansowany przez Narodowe Centrum Nauki, kierownik projektu: dr Katarzyna Januszkiewicz

    The ?2-cohomology of hyperplane complements

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    We compute the l^2-Betti numbers of the complement of any finite collection of affine hyperplanes in complex n-space. At most one of the l^2-Betti numbers is non-zero. <br/

    The KO*-rings of BTm, the Davis-Januszkiewicz spaces and certain toric manifolds

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    This paper contains an explicit computation of the KO*-ring structure of an m-fold product of CP∞, the Davis-Januszkiewicz spaces and of toric manifolds which have trivialSq2-homology. A key ingredient is the stable splitting of the Davis-Januszkiewicz spaces given by Bahri etal. (2009, 2010) [6,7]. © 2013 Elsevier B.V

    THE KO*-RINGS OF BTm, THE DAVIS-JANUSZKIEWICZ SPACES AND CERTAIN TORIC MANIFOLDS

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    This paper contains an explicit computation of the KO*-ring structure of an m-fold product of CP1, the Davis-Januszkiewicz spaces and of toric manifolds which have trivial Sq2-homology. A key ingredient is the stable splitting of the Davis-Januszkiewicz spaces given in [6]

    Code-aided turbo channel estimation for OFDM systems with NB LDPC code

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    In this paper channel estimation techniques are considered as the support methods for OFDM transmission systems based on Non Binary LDPC (Low Density Parity Check) codes. Standard frequency domain pilot aided LS (Least Squares) and LMMSE (Linear Minimum Mean Square Error) estimators are investigated. Furthermore, an iterative algorithm is proposed as a solution exploiting the NB-LDPC channel decoder to improve the performance of the LMMSE estimator. Simulation results of signals transmitted through fading mobile channels are presented to compare the performance of the proposed channel estimators

    Wprowadzenie

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    Udostępnienie publikacji Wydawnictwa Uniwersytetu Łódzkiego finansowane w ramach projektu „Doskonałość naukowa kluczem do doskonałości kształcenia”. Projekt realizowany jest ze środków Europejskiego Funduszu Społecznego w ramach Programu Operacyjnego Wiedza Edukacja Rozwój; nr umowy: POWER.03.05.00-00-Z092/17-00

    Infinite groups with fixed point properties

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    We construct finitely generated groups with strong fixed point properties. Let Xac be the class of Hausdorff spaces of finite covering dimension which are mod–p acyclic for at least one prime p. We produce the first examples of infinite finitely generated groups Q with the property that for any action of Q on any X ?Xac, there is a global fixed point. Moreover, Q may be chosen to be simple and to have Kazhdan’s property (T). We construct a finitely presented infinite group P that admits no nontrivial action on any manifold in Xac. In building Q, we exhibit new families of hyperbolic groups: for each n ? 1 and each prime p, we construct a nonelementary hyperbolic group Gn,p which has a generating set of size n + 2, any proper subset of which generates a finite p–group

    The concept of coaching in the modern organization

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    The article discussed the essence, process and problems of coaching in organisations. Coaching helps to achieve estraordinary results, either in the occupational and personal life, it can free human’s mind and potential, can release leaders’ creativity. It is the coach, who in the triad of emplyee – organisation – coach supports them in their serach for individual solutions, and the development of introspective and planning skills. The author based her assumption on national and international literature.Udostępnienie publikacji Wydawnictwa Uniwersytetu Łódzkiego finansowane w ramach projektu „Doskonałość naukowa kluczem do doskonałości kształcenia”. Projekt realizowany jest ze środków Europejskiego Funduszu Społecznego w ramach Programu Operacyjnego Wiedza Edukacja Rozwój; nr umowy: POWER.03.05.00-00-Z092/17-00

    Modeling Strains of Concrete Induced by Delayed Ettringite Formation in Variable Hygro-Thermal Conditions

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    Delayed Ettringite Formation is a type of chemical degradation of moist concrete exposed at early ages to heating up to temperature of about 70-80°C. The material deterioration is caused by expanding phases produced by the ettringite reaction. A phenomenological, rate-type model of the DEF strains, considering effect of the temperature and duration of heat-treatment of concrete at early ages, and the evolution of ambient temperature and relative humidity, on the development of strains is introduced into the mathematical model of heat and moisture transport in deformable porous media. The model equations are solved numerically by means of finite element, finite difference and Newton-Raphson methods. The computer code was developed and used for the model validation by comparing its' results with the published experimental data
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