Periodic solutions of higher order ordinary differential equations with one-sided growth restrictions on the nonlinear term
On a fourth order superlinear elliptic problem.
A unified approach to min-max critical point theorems.
Positive and negative approximate controllability results for semilinear parabolic equations.
A -stable action of the automorphism group of a group
On a question of Chambers and Makan.
On characterizing the Pólya distribution
In this paper two characterizations of the Pólya distribution are obtained when its contagion parameter is negative. One of them is based on mixtures and the other one is obtained by characterizing a subfamily of the discrete Pearson system.
Characterizations of inequality orderings by means of dispersive orderings.
The generalized Lorenz order and the absolute Lorenz order are used in economics to compare income distributions in terms of social welfare. In Section 2, we show that these orders are equivalent to two stochastic orders, the concave order and the dilation order, which are used to compare the dispersion of probability distributions. In Section 3, a sufficient condition for the absolute Lorenz order, which is often easy to verify in practice, is presented. This condition is applied in Section 4 to...
The proportional likelihood ratio order and applications.
In this paper, we introduce a new stochastic order between continuous non-negative random variables called the PLR (proportional likelihood ratio) order, which is closely related to the usual likelihood ratio order. The PLR order can be used to characterize random variables whose logarithms have log-concave (log-convex) densities. Many income random variables satisfy this property and they are said to have the IPLR (increasing proportional likelihood ratio) property (DPLR property). As an application,...
Poverty measures and poverty orderings.
We examine the conditions under which unanimous poverty rankings of income distributions can be obtained for a general class of poverty indices. The "per-capita income gap" and the Shorrocks and Thon poverty measures are particular members of this class. The conditions of dominance are stated in terms of comparisons of the corresponding TIP curves and areas.
On characterizing the Pólya distribution
In this paper two characterizations of the Pólya distribution are obtained when its contagion parameter is negative. One of them is based on mixtures and the other one is obtained by characterizing a subfamily of the discrete Pearson system.
-normally embedded subgroups of finite soluble groups
On the product of two n-decomposable soluble groups.
Soluble products of connected subgroups.
Approximation of the three-field Stokes system via optimized quadrilateral finite elements
On -normally embedded subgroups of finite soluble groups
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