Stefan Sell and Stefan Rehart: Surgery of rheumatic diseases
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چکیده
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Stefan Papadima And
The Chen groups of a finitely-presented group G are the lower central series quotients of its maximal metabelian quotient, G/G′′. The direct sum of the Chen groups is a graded Lie algebra, with bracket induced by the group commutator. If G is the fundamental group of a formal space, we give an analog of a basic result of D. Sullivan, by showing that the rational Chen Lie algebra of G is isomorp...
متن کاملStefan Thalhammer
Department for Geoand Environmental Sciences, GeobioCenter and Center for Nanoscience, Ludwig-Maximilians-Universität, Theresienstrasse 41, 80333 München, Germany *E-mail: [email protected] URL: www.nanobiomed.de Over the last 15 years, the use of atomic force microscopy (AFM) has spread from the materials science of hard matter to the fields of biology and biomolecular research....
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The best stage in a scientist s career is ... when they can still do chemistry in the lab with their own hands. The biggest problem that scientists face is ...—sadly enough—to focus on science. The best advice I have ever been given is ... not to get frustrated over problems but to come up with respective solutions (J. M. J. Fr chet). A good work day begins with ... breakfast with the family, r...
متن کاملStefan Wermter
The Mechanization of the Mind: On the Origins of of modelling and scientific explanation, the physics Cognitive Science, Jean-Pierre Dupuy, translated by of dissipative processes, aspects of neurophysiology M.B. DeBevoise, Princeton University Press, 2000, and embryology, and more, all without once trivializ$29.95 / £19.95, 240 pp. ISBN: 0-691-02574-6 ing his subject or falling victim to the us...
متن کاملStefan Neubert
In the following, I will outline some implications of the Cologne program of “interactive constructivism” (founded by Kersten Reich) 1 for educational theory. I will proceed in three steps. In an introductory section, I will first briefly locate the Cologne program within the context of the so called „cultural turn“ in recent constructivist discourses. Secondly, I will introduce some main theor...
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ژورنال
عنوان ژورنال: European Journal of Orthopaedic Surgery & Traumatology
سال: 2017
ISSN: 1633-8065,1432-1068
DOI: 10.1007/s00590-017-2088-4