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Found 20 Documents (Results 1–20)

Comparison of exact constants in inequalities for derivatives of functions defined on the real axis and a circle. (Russian, English) Zbl 1103.26013

Ukr. Mat. Zh. 55, No. 5, 579-589 (2003); translation in Ukr. Math. J. 55, No. 5, 699-711 (2003).
MSC:  26D10 41A17
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Kolmogorov-type inequalities for periodic functions whose first derivatives have bounded variation. (English. Russian original) Zbl 1015.41009

Ukr. Math. J. 54, No. 5, 741-749 (2002); translation from Ukr. Mat. Zh. 54, No. 5, 603-609 (2002).
MSC:  41A17 26D10 26A45
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Exact Kolmogorov-type inequalities with bounded leading derivative in the case of low smoothness. (English. Russian original) Zbl 1008.41011

Ukr. Math. J. 53, No. 10, 1569-1582 (2001); translation from Ukr. Mat. Zh. 53, No. 10, 1299-1308 (2001).
MSC:  41A17 26D10 41A15
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Inequalities for upper bounds of functionals on the classes \(W^rH^{\omega}\) and some of their applications. (English. Russian original) Zbl 0987.42003

Ukr. Math. J. 52, No. 1, 71-90 (2000); translation from Ukr. Mat. Zh. 52, No. 1, 66-84 (2000).
MSC:  42A10 41A17 42A05
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On additive inequalities for intermediate derivatives of functions given on a finite interval. (English. Russian original) Zbl 0935.26004

Ukr. Math. J. 49, No. 5, 685-696 (1997); translation from Ukr. Mat. Zh. 49, No. 5, 619-628 (1997).
MSC:  26D10 41A17
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