Measurements of aerosol optical properties (aerosol optical depth, scattering and backscattering coefficients) have been conducted at two groundbased sites in Northern Greece, Ouranoupolis (4023 N,â€¦ (More)

A matroidal family is a nonempty set 9 of connected finitegraphs such that for every arbitraryfinitegraph G the edge sets of the subgraphs of G which are isomorphic to an element of 9 form a matroidâ€¦ (More)

In their paper (11 Aigner and Fromme studied the following â€˜game of cops and robbersâ€™ played on a finite connected undirected graph G according to the following rules. There are two players calledâ€¦ (More)

We investigated the distribution of phytoplankton species and the associated dimethyl sulfur species, dimethylsulfoniopropionate (DMSP) and dimethylsulfide (DMS) on a cruise into the spring bloomâ€¦ (More)