Giovanni Simoni

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Juglans nigra and Juglans regia are phylogenetically divergent species. Despite the economic interest in Juglans × intermedia (J. nigra ×  J. regia), walnut hybridization is rare under natural conditions and still difficult using controlled pollination. Here, we evaluated some reproductive mechanisms that may prevent successful natural hybridization. The(More)
In peer-to-peer applications deployed on the Internet, it is common to assign greater responsibility to supernodes, which are usually peers with high computational power, large amount of memory, or high network bandwidth capacity. In this paper, we describe a practical solution to the problem of supernode selection, that is the process of discovering the(More)
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