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47A30 Norms (inequalities, more than one norm, etc.) (21 articles)

• Heydarbeygi, Zahra; Sababheh, Mohammad; Moradi, Hamid: A convex treatment of numerical radius inequalities. (English). Czechoslovak Mathematical Journal, vol. 72 (2022), issue 2, pp. 601-614
• Bakherad, Mojtaba: Some Berezin number inequalities for operator matrices. (English). Czechoslovak Mathematical Journal, vol. 68 (2018), issue 4, pp. 997-1009
• Bouali, Said; Bouhafsi, Youssef: On the range-kernel orthogonality of elementary operators. (English). Mathematica Bohemica, vol. 140 (2015), issue 3, pp. 261-269
• Sánchez Pérez, Enrique A.: Product spaces generated by bilinear maps and duality. (English). Czechoslovak Mathematical Journal, vol. 65 (2015), issue 3, pp. 801-817
• Hong, Nguyen Thanh; Tuan, Trinh; Thao, Nguyen Xuan: On the Fourier cosine—Kontorovich-Lebedev generalized convolution transforms. (English). Applications of Mathematics, vol. 58 (2013), issue 4, pp. 473-486
• Lashkaripour, Rahmatollah; Talebi, Gholomraza: Lower bound and upper bound of operators on block weighted sequence spaces. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 2, pp. 293-304
• Bendoukha, Berrabah; Bendahmane, Hafida: Inequalities between the sum of powers and the exponential of sum of positive and commuting selfadjoint operators. (English). Archivum Mathematicum, vol. 47 (2011), issue 4, pp. 257-262
• Bouali, Said; Bouhafsi, Youssef: A remark on the range of elementary operators. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 4, pp. 1065-1074
• Hejazian, S.; Mirzavaziri, M.; Moslehian, M. S.: Generalized induced norms. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 1, pp. 127-133
• Král, Josef; Medková, Dagmar: Essential norms of the Neumann operator of the arithmetical mean. (English). Mathematica Bohemica, vol. 126 (2001), issue 4, pp. 669-690
• Burenkov, Viktor I.: Extension theory for Sobolev spaces on open sets with Lipschitz boundaries. (English). In: Krbec, Miroslav and Kufner, Alois (eds.): Nonlinear Analysis, Function Spaces and Applications, Proceedings of the Spring School held in Prague, May 31-June 6, 1998. Vol. 6. Czech Academy of Sciences, Mathematical Institute, Praha, 1999. pp. 1-49
• Stavinoha, Pavel: On limits of $L_p$-norms of an integral operator. (English). Applications of Mathematics, vol. 39 (1994), issue 4, pp. 299-307
• Tumajer, František: Derivative of the norm of a linear mapping and its application to differential equations. (English). Applications of Mathematics, vol. 37 (1992), issue 3, pp. 193-199
• Martinon, Antonio: Generating real maps on a biordered set. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 2, pp. 265-272
• Gonzalez, Manuel; Martinon, Antonio: Operational quantities derived from the norm and generalized Fredholm theory. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 645-657
• Baronti, Marco; Papini, Pier Luigi: Bicontractive projections in sequence spaces and a few related kinds of maps. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 665-673
• Pták, Vlastimil: A maximum problem for operators. (English). Časopis pro pěstování matematiky, vol. 109 (1984), issue 2, pp. 168-193
• Iwanik, A.: On norm attaining operators acting on $L^1$ - spaces. (English). In: Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis. Czechoslovak Academy of Sciences, Praha, 1981. pp. 85-88
• Dostál, Zdeněk: The critical exponent of operators with constrained spectral radius. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 2, pp. 315-318
• Young, N. J.: Norms of certain rational functions of a matrix and Schur's criterion for polynomials. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 4, pp. 673-688
• Pták, Vlastimil: Isometric parts of operators and the critical exponent. (English). Časopis pro pěstování matematiky, vol. 101 (1976), issue 4, pp. 383-388