On cross-section measures in Minkowski spaces.
Gennadiy Averkov (2003)
Extracta Mathematicae
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Gennadiy Averkov (2003)
Extracta Mathematicae
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Schneider, Rolf (2001)
Beiträge zur Algebra und Geometrie
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Averkov, Gennadiy (2006)
Beiträge zur Algebra und Geometrie
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Baladze, E.D., Boltyanski, V.G. (2006)
Beiträge zur Algebra und Geometrie
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Horst Martini, Margarita Spirova (2010)
Czechoslovak Mathematical Journal
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In this paper we introduce a new type of orthogonality for real normed planes which coincides with usual orthogonality in the Euclidean situation. With the help of this type of orthogonality we derive several characterizations of the Euclidean plane among all normed planes, all of them yielding also characteristic properties of inner product spaces among real normed linear spaces of dimensions .
Hernández Cifre, María A., Salinas, Guillermo, Segura Gomis, Salvador (2004)
Beiträge zur Algebra und Geometrie
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Martini, Horst, Mustafaev, Zokhrab (2010)
Journal of Inequalities and Applications [electronic only]
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Böröczky, Károly, Schneider, Rolf (2007)
Beiträge zur Algebra und Geometrie
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Artur Korniłowicz (2011)
Formalized Mathematics
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The Mazur-Ulam theorem [15] has been formulated as two registrations: cluster bijective isometric -> midpoints-preserving Function of E, F; and cluster isometric midpoints-preserving -> Affine Function of E, F; A proof given by Jussi Väisälä [23] has been formalized.
Zhao, Chang-jian, Bencze, Mihály (2010)
Balkan Journal of Geometry and its Applications (BJGA)
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