Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Francesco Regonati"'
Publikováno v:
Advances in Applied Mathematics. 37(3):287-308
We describe a constructive method to produce a minimal set of generators for the algebra of SL(n)-invariants of an n-ary form. The main feature of this approach is that it provides a “running bound” for the degrees of the generating invariants. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fe11e6b877f92c252b2f73cc7db7810
Publikováno v:
Advances in Mathematics. 145(1):98-158
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e345e9e4d164d3ef18ef974c6cd9a7c
Autor:
Francesco Regonati, N. Zagaglia Salvi
Publikováno v:
Czechoslovak Mathematical Journal. 44:315-323
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db0e9d6833e747b3c547bd39042d0899
https://doi.org/10.21136/cmj.1994.128459
https://doi.org/10.21136/cmj.1994.128459
Autor:
Andrea Brini, Francesco Regonati
Geometric products on tensor powers $${\Lambda(V)^{\otimes m}}$$ of an exterior algebra and on Whitney algebras (Crapo and Schmitt in J. Comb. Theory A 91:215–263, 2000) provide a rigorous version of Grassmann’s regressive products of 1844 (Grass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74c21afa71efa562836216aba7262699
Autor:
Francesco Regonati
Publikováno v:
Journal of Combinatorial Theory, Series A. 60:34-49
Let L be any finite modular lattice. We prove that each interval Jz L has a symmetric and unimodal sequence of Whitney numbers of the second kind iff L may be represented as a direct product of primary q-lattices. We use the term “primary” in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::333229e350cd730646cbfbeb5c640a64
https://doi.org/10.1016/0097-3165(92)90036-t
https://doi.org/10.1016/0097-3165(92)90036-t
Publikováno v:
Computer Algebra and Geometric Algebra with Applications ISBN: 9783540262961
IWMM/GIAE
IWMM/GIAE
We state three combinatorial lemmas on Young tableaux, and show their role in the proof of the triangularity theorem about the action of Young-Capelli symmetrizers on symmetrized bitableaux. As an application, we describe in detail the way to special
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::306030d7146ae9b009e2d5c159e238f9
http://hdl.handle.net/11585/9776
http://hdl.handle.net/11585/9776
Publikováno v:
Clifford Algebras ISBN: 9780817635251
We provide a brief account of Capelli’s method of virtual variables and of its relations with representations of general linear Lie superalgebras. More specifically, we study letterplace superalgebras regarded as bimodules under the action of super
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48ef095cf63b16fed531b73a7209c022
http://hdl.handle.net/11585/356
http://hdl.handle.net/11585/356
Publikováno v:
Algebraic Combinatorics and Computer Science ISBN: 9788847021594
The idea of exploring and developing the deep connections between the theory of Cayley-Grassmann algebras and the invariant theory of skew-symmetric tensors was a recurrent theme of Rota’s mathematical work.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0eb27540010e5c78339fac79391e04ae
https://doi.org/10.1007/978-88-470-2107-5_9
https://doi.org/10.1007/978-88-470-2107-5_9
Publikováno v:
Journal of Combinatorial Theory, Series A. (1):11-25
It is a well known fact that the Whitney numbers of a sequence of ranked posets P0, P1, P2,-.of rank 0, l, 2 .... such that every r-ranked filter of P, is isomorphic to Pr are the connection constants between the sequence of powers and the sequence o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b6593bd077c676b086d56f859235b91
Autor:
Francesco Regonati
Publikováno v:
European Journal of Combinatorics. (4):409-420
We prove that the subgroup lattice of a finite group is upper semimodular iff in each of its intervals [ A;B ] there are at most as many subgroups covering A as subgroups covered by B .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d1428a3fef82962a0f08abe3f3929fb