In a recent paper [6], van Mill and Mogilski prove that a proper hereditary shape equivalence preserves property C, if its domain is σ-compact. In this note, the same result is established without the hypothesis of σ-compactness. An ...

The only alternative that seems to solve Falk’s problem is to repeal the “just and reasonable” rate provision of the Federal Power Act. However, the probability this legislation would make it through Congress is virtually zero. In...

Using the experimental sessions of Goeree and Holt (2005), we show that step thinking fits the long-run outcome of minimum-effort and median-effort games surprisingly well for all values of the cost parameter. In the latter, the predict...

We study the dependence on initial conditions of two recursive filters for cleaning a contaminated time series from additive outliers. We show that the function in the recursive equation is in general not contractive, but nevertheless t...

This paper develops a three-country extension to the Ricardian model with a continuum of goods. In contrast to the standard two country version, uniform technical progress in one country is shown to make the country which is a close sub...

We present new variants of known proofs of cut elimination for intuitionistic and classical sequent calculi. In both cases the proofs proceed by three nested structural inductions, avoiding the explicit use of multi-sets and termination...

Fish form social aggregations called shoals which often consist of fish with similar morphologies. Experiments using zebrafish pigment variants demonstrate that fish can select shoal mates solely on the basis of their color patterns, an...

New exact travelling wave solutions for the double sinh-Gordon equation and its generalized form are formally derived by using the tanh method and the variable separated ODE method. The Painlevé property v = eu is employed to support t...

We provide a simple constructive characterization for trees with equal Cheap Air Max 2013 domination and independent domination numbers, and for trees with equal domination and total domination numbers. We also consider a general framew...

The speckle patterns scattered from the boundary surfaces of a birefringent slice are imaged on a photographic plate. The method consists in taking account of the variations of the statistical properties of the two superimposed speckle ...

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