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Implications between approximate convexity properties and approximate Hermite-Hadamard inequalities

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Makó J., Páles Z.

Open Mathematics

2012

tom 10

nr 3

1017-1041

The connection between the functional inequalities $$f\left( {\frac{{x + y}} {2}} \right) \leqslant \frac{{f\left( x \right) + f\left( y \right)}} {2} + \alpha _J \left( {x - y} \right), x,y \in D,$$ and $$\int_0^1 {f\left( {tx + \left( {1 - t} \right)y} \right)\rho \left( t \right)dt \leqslant \lambda f\left( x \right) + \left( {1 - \lambda } \right)f\left( y \right) + \alpha _{\rm H} \left( {x - y} \right),} x,y \in D,$$ is investigated, where D is a convex subset of a linear space, f: D → ℝ, α H;α J: D-D → ℝ are even functions, λ ∈ [0; 1], and ρ: [0; 1] →ℝ+ is an integrable nonnegative function with ∫01 ρ(t) dt = 1.

Ograniczanie wyników

1 Open Mathematics

1 Makó J.

1 Páles Z.

1 2012

Wyniki wyszukiwania

Implications between approximate convexity properties and approximate Hermite-Hadamard inequalities