General Inequalities 6: 6th International Conference on General Inequalities, Oberwolfach, Dec. 9–15, 1990

Front Matter....Pages i-xxxiii
István Fenyő (1917–1987) in memoriam....Pages 1-2
Front Matter....Pages 3-3
Inequalities for pseudo arithmetic and geometric means....Pages 5-16
A review of Shapiro’s cyclic inequality....Pages 17-31
Some remarks on the Hardy inequality for higher order derivatives....Pages 33-48
Copson’s inequalities for series and their variations....Pages 49-58
Comparison of two variable homogeneous means....Pages 59-70
Front Matter....Pages 71-71
Sharp inequalities in polynomial interpolation....Pages 73-92
Discrete variational inequalities....Pages 93-107
Differential inequalities for Minkowski functionals of level sets....Pages 109-127
Some best constant inequalities for conjugate functions....Pages 129-140
Remarks on trigonometric inequalities....Pages 141-149
On an extremal property of nonnegative trigonometric polynomials....Pages 151-160
On polynomial inequalities and extremal problems....Pages 161-174
An inequality between u * and |grad u |*....Pages 175-182
Front Matter....Pages 183-183
Inequalities for summability factors....Pages 185-192
Seminorms and multiplicativity factors....Pages 193-200
Some remarks on the Grothendieck inequality....Pages 201-206
Front Matter....Pages 207-207
Solutions of a functional equation, convex of higher order....Pages 209-213
On positive semidefinite strict t -norms....Pages 215-225
On functional inequalities stemming from stability questions....Pages 227-240
Front Matter....Pages 241-241
Interpolation inequalities and nonoscillatory differential equations....Pages 243-255
Optimal bounds for the spectrum of a one-dimensional Schrödinger operator....Pages 257-268
HELP integral and series inequalities....Pages 269-305
Gewöhnliche Differentialgleichungen mit quasimonoton wachsenden rechten Seiten in geordneten Banachräumen....Pages 307-320
Comparison theorem and its applications....Pages 321-342
Nagumo theory without the Nagumo point....Pages 343-350
Inequalities for the solutions of the heat equation....Pages 351-359
An isoperimetric inequality for the first eigenvalue of the Laplacian under Robin boundary conditions....Pages 361-367
Minimum principles for weak solutions of second order ordinary differential equations....Pages 369-376
Uniqueness and existence for viscosity solutions of quasimonotone systems....Pages 377-389
Front Matter....Pages 391-391
On some problems concerning best constants for the midpoint and trapezoidal rule....Pages 393-409
The uncertainty inequality in quantum holography, Bohr’s indeterminacy principle, and synchronized neural networks....Pages 411-422
Optimization and inequalities on product spaces....Pages 423-434
Front Matter....Pages 435-435
A note on Henrici’s inequalities....Pages 437-440
A note on an inequality of G. Talenti....Pages 441-443
A simple proof for a quadratic inequality....Pages 445-447
Notes on convex functions....Pages 449-454
On special pairs of polygons with minimal area sum....Pages 455-458
On the Landau-Hadamard inequality....Pages 459-462
A lemma on the angles between a fixed line and the lines connecting a fixed point on it with the points of a convex arc....Pages 463-464
Front Matter....Pages 435-435
Remarks....Pages 465-467
A simple proof of the Minkowski inequality....Pages 469-469
On a property of convex functions....Pages 471-471
On a generalization of the plank problem....Pages 473-476
Three problems....Pages 477-477
A problem....Pages 479-479
Problem: The Grothendieck constant K G ....Pages 481-481
A function and an associated inequality....Pages 483-484
A problem....Pages 485-485
A remark and problem for polynomials of several variables....Pages 487-488
An eigenvalue problem....Pages 489-489
A problem for harmonic mappings....Pages 491-491
A problem....Pages 493-493
Problem: An integral inequality by Bushell and Okrasinski....Pages 495-496
Back Matter....Pages 497-508