F. de Felice

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19932017

most citedGaia Data Release 1: Astrometry - one billion positions, two million proper motions and parallaxes

618 citations · 935 across the 19 of their papers we have counts for

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Showing 1993 · gr-qcShow all

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gr-qc1993★ 7 cited

An Anisotropic Wormhole:TUNNELLING in Time and Space

M. Cavaglia' V. de Alfaro, F. de Felice

We discuss the structure of a gravitational euclidean instanton obtained through coupling of gravity to electromagnetism. Its topology at fixed $t$ is $S^{1} \times S^{2}$ . This euclide…