Displaying similar documents to “Can an ethical approach to tourism bring development, prosperity and well-being to all stakeholders? A full report from the 3rd International Congress on Ethics and Tourism, Krakow, 27–28 April 2017”

The Lvov years of Wacław Sierpiński

Andrzej Schinzel (2009)

Banach Center Publications

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An account is given of Sierpiński's activity in Lvov (1908-1918) interrupted by World War I.

PROBLEMS

M. Chrobak, M. Habib, P. John, H. Sachs, H. Zernitz, J. R. Reay, G. Sierksma, M. M. Sysło, T. Traczyk, W. Wessel (1987)

Applicationes Mathematicae

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A note on Professor Jan Grzegorz Krzyż

Eligiusz Złotkiewicz (2011)

Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica

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[Editor's note: a webpage dedicated to Professor Jan Grzegorz Krzyż is available at the address http://math.umcs.lublin.pl/Krzyz/]

On Some of Professor Peter Rusev's Contributions

Kiryakova, Virginia (2012)

Mathematica Balkanica New Series

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MSC 2010: 33-00, 33C45, 33C52, 30C15, 30D20, 32A17, 32H02, 44A05 The 6th International Conference "Transform Methods and Special Functions' 2011", 20 - 23 October 2011 was dedicated to the 80th anniversary of Professor Peter Rusev, as one of the founders of this series of international meetings in Bulgaria, since 1994. It is a pleasure to congratulate the Jubiliar on behalf of the Local Organizing Committee and International Steering Committee, and to present shortly some...

Education of future geography teachers in Slovenia

Tatjana Resnik Planinc (2019)

Annales Universitatis Paedagogicae Cracoviensis Studia Geographica

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This paper presents the development of the didactics of geography at the Department of Geography, Faculty of Arts, University of Ljubljana from its beginnings in the 19th century up to the present day. Important milestones are discussed and the present situation described. The author first discusses how different approaches were developed over the years, then focuses on the current situation through the presentation of some selected ways of educating, equipping and developing a good...

Estimation of the noncentrality matrix of a noncentral Wishart distribution with unit scale matrix. A matrix generalization of Leung's domination result.

Heinz Neudecker (2004)

SORT

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The main aim is to estimate the noncentrality matrix of a noncentral Wishart distribution. The method used is Leung's but generalized to a matrix loss function. Parallelly Leung's scalar noncentral Wishart identity is generalized to become a matrix identity. The concept of Löwner partial ordering of symmetric matrices is used.

Textes & documents - Opposition to the boycott of german mathematics in the early 1920s: letters by Edmund Landau (1877–1938) and Edwin Bidwell Wilson (1879–1964)

Reinhard Siegmund-Schultze (2011)

Revue d'histoire des mathématiques

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This paper, through the publication of two of their letters, sheds light on the political positions of two influential mathematicians of the first half of the 20th century, the German Edmund Landau and the American Edwin Bidwell Wilson. It provides substantial evidence for the widespread rejection of the political boycott of German mathematics not only by the Germans but also by the community of American mathematicians in the early 1920s.

Edison and St. Cyril: Seeking Common Ground. Presentation at Honorary Degree Award Ceremony

Friedman, Edward (2015)

Serdica Journal of Computing

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Rector Biolchev, Dean Mitev, and distinguished guests: I have been trying hard in recent months to avoid listening to pompous pronouncements about a new millennium. My instincts as a scientist and as a mathematician tell me that this view of the passage of time is relative. After all, this is year 1420 in the Islamic calendar, thus placing us in the 15th century, while the Jewish calendar notes that the year is 5760 which is in the 58th century, not the 21st.

Integral formula for secantoptics and its application

Witold Mozgawa, Magdalena Skrzypiec (2012)

Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica

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Some properties of secantoptics of ovals defined by Skrzypiec in 2008 were proved by Mozgawa and Skrzypiec in 2009. In this paper we generalize to this case results obtained by Cieslak, Miernowski and Mozgawa in 1996 and derive an integral formula for an annulus bounded by a given oval and its secantoptic. We describe the change of the area bounded by a secantoptic and find the differential equation for this function. We finish with some examples illustrating the above results. ...

A Simple Example of Localized Parametric Resonance for the Wave Equation

Colombini, Ferruccio, Rauch, Jeffrey (2008)

Serdica Mathematical Journal

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2000 Mathematics Subject Classification: 35L05, 35P25, 47A40. The problem studied here was suggested to us by V. Petkov. Since the beginning of our careers, we have benefitted from his insights in partial differential equations and mathematical physics. In his writings and many discussions, the conjuction of deep analysis and specially interesting problems has been a source inspiration for us. The research of J. Rauch is partially supported by the U.S. National...

A matrix derivation of a representation theorem for (tr A).

Heinz Neudecker (1989)

Qüestiió

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A matrix derivation of a well-known representation theorem for (tr A) is given, which is the solution of a restricted maximization problem. The paper further gives a solution of the corresponding restricted minimization problem.

Professor Edward A. Friedman in a Nutshell

Editors (2015)

Serdica Journal of Computing

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Edward A. Friedman is Professor Emeritus of Technology Management at Stevens Institute of Technology. His undergraduate and doctoral degrees in Physics are from MIT (1957) and Columbia University (1963), respectively. As Dean of Stevens Institute of Technology (1973–1983) he led innovations on applications of computer and networking technologies in undergraduate education, which were studied and emulated by universities worldwide. Dr. Friedman was responsible for the pioneering requirement...