Le omografie in uno spazio ad un numero qualunque di dimensioni

L'esperienza di uno specializzando

Located in the central plateau area of Tanzania in East Africa, St Gaspar’s Hospital was founded in 1968 by the Society of the Precious Blood Catholic Missionaries. Elevated to referral hospital at a regional level, with an approved capacity of 320 beds, it provides residential consultancy services in general medicine, surgery, obstetrics, gynecology and pediatrics for more than 100,000 people....

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ar X iv : m at h / 07 01 88 5 v 1 [ m at h . A G ] 3 0 Ja n 20 07 CONIC - CONNECTED MANIFOLDS

We study a particular class of rationally connected manifolds, X ⊂ P , such that two general points x, x′ ∈ X may be joined by a conic contained in X. We prove that these manifolds are Fano, with b2 6 2. Moreover, a precise classification is obtained for b2 = 2. Complete intersections of high dimension with respect to their multi-degree provide examples for the case b2 = 1. The proof of the cla...

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m at h . A G ] 1 4 A pr 2 00 9 CONIC - CONNECTED MANIFOLDS

We study a particular class of rationally connected manifolds, X ⊂ P , such that two general points x, x′ ∈ X may be joined by a conic contained in X. We prove that these manifolds are Fano, with b2 6 2. Moreover, a precise classification is obtained for b2 = 2. Complete intersections of high dimension with respect to their multi-degree provide examples for the case b2 = 1. The proof of the cla...

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ar X iv : m at h / 07 01 88 5 v 2 [ m at h . A G ] 9 M ar 2 00 8 CONIC - CONNECTED MANIFOLDS

We study a particular class of rationally connected manifolds, X ⊂ P , such that two general points x, x′ ∈ X may be joined by a conic contained in X. We prove that these manifolds are Fano, with b2 6 2. Moreover, a precise classification is obtained for b2 = 2. Complete intersections of high dimension with respect to their multi-degree provide examples for the case b2 = 1. The proof of the cla...

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Construction of wavelets with multiplicity

Riassunto: Sia X un sottoinsieme di r elementi di uno spazio di Hilbert H e sia V0 il sottospazio chiuso generato dall’iterazione di X mediante l’operatore unitario U = (U1, . . . , Ud). Analogamente sia V1 ⊃ V0 il sottospazio generato da un insieme Y con s > r elementi. Si descrivono alcuni metodi per costruire un insieme Γ con s − r elementi che generi in modo simile il complemento ortogonale...

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Le omografie in uno spazio ad un numero qualunque di dimensioni

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چکیده

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L'esperienza di uno specializzando

ar X iv : m at h / 07 01 88 5 v 1 [ m at h . A G ] 3 0 Ja n 20 07 CONIC - CONNECTED MANIFOLDS

m at h . A G ] 1 4 A pr 2 00 9 CONIC - CONNECTED MANIFOLDS

ar X iv : m at h / 07 01 88 5 v 2 [ m at h . A G ] 9 M ar 2 00 8 CONIC - CONNECTED MANIFOLDS

Construction of wavelets with multiplicity

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