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34.191  Articles
1 of 3.420 pages  |  10  records  |  more records»
The aim of this paper is to extend a theorem of Griffiths, Harris and Hulek [4], [6] on the extendability of divisors of a smooth complete intersection surface in P^n to the case when the ambient space is a product of projective spaces or a Grassmannian. ... see more

The aim of this paper is to extend a theorem of Griffiths, Harris and Hulek [4], [6] on the extendability of divisors of a smooth complete intersection surface in P^n to the case when the ambient space is a product of projective spaces or a Grassmannian. ... see more

Let S be a very general complete intersection surface of multidegree (d_1,d_2) in P^4. The following problem arises: determine the couples (d_1,d_2) such that the surface S does not have any "non-evident" rational map to other surfaces. By non-evident rat... see more

After recalling Fichera’s fundamental results in the study of the problem of the completeness of particular solutions of a partial differential equation, we give some new completeness theorem. They concern the Dirichlet problem for a general elliptic oper... see more

The Fredholm Alternative Theorem gives the notion of bounded and continuous operator which makes a family F of elements of C[a, b] bounded and equicontinuous. A continuous operator of finite rank is completely continuous but every continuous operator is n... see more

Let H=(V,E)\mathcal{H}=(V,\mathcal{E}) be an rr-uniform hypergraph on nn vertices and fix a positive integer kk such that 1=k=r1\le k\le r. A kk-matching of H\mathcal{H} is a collection of edges M?E\mathcal{M}\subset \mathcal{E} such that every subset of ... see more

Let S be a very general complete intersection surface of multidegree (d_1,d_2) in P^4. The following problem arises: determine the couples (d_1,d_2) such that the surface S does not have any "non-evident" rational map to other surfaces. By non-evident rat... see more

After recalling Fichera’s fundamental results in the study of the problem of the completeness of particular solutions of a partial differential equation, we give some new completeness theorem. They concern the Dirichlet problem for a general elliptic oper... see more

One of the logic defined by Richard Epstein in a context of an analysis of subject matter relationship is Symmetric Relatedness Logic S. In the monograph [2] we can find some open problems concerning relatedness logic, a Post-style completeness theorem fo... see more

1 of 3.420 pages  |  10  records  |  more records»