Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Giovanni Gaiffi"'
Publikováno v:
Oberwolfach Reports. 15:43-123
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35c28360d8bf9f04191fb534c5ab2b59
https://doi.org/10.4171/owr/2018/2
https://doi.org/10.4171/owr/2018/2
Autor:
Giovanni Gaiffi, Corrado De Concini
We show that the rational homotopy type of the complement of a toric arrangement is completely determined by two sets of combinatorial data. This is obtained by introducing a differential graded algebra over Q whose minimal model is equivalent to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61af98fce8039b0303fde71b0cf835db
Autor:
Viola Siconolfi, Giovanni Gaiffi
For any triple given by a positive integer n, a finite group G, and a faithful representation V of G, one can describe a subspace arrangement whose intersection lattice is a generalized Dowling lattice in the sense of Hanlon. In this paper we constru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f67463a64b54d18073ee443d10f5cc7
http://hdl.handle.net/11568/1049712
http://hdl.handle.net/11568/1049712
Autor:
Corrado De Concini, Giovanni Gaiffi
In this paper we illustrate an algorithmic procedure which allows to build projective wonderful models for the complement of a toric arrangement in a n-dimensional algebraic torus T. The main step of the construction, inspired by [9] , is a combinato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0db5c2f1828ca7586d9e43355900487d
http://hdl.handle.net/11568/922534
http://hdl.handle.net/11568/922534
Autor:
Giovanni Gaiffi
Publikováno v:
Journal of Algebraic Combinatorics. 41:125-155
There are several real spherical models associated with a root arrangement, depending on the choice of a building set. The connected components of these models are manifolds with corners which can be glued together to obtain the corresponding real De
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dc4ec74fd2e0328536ca8a5cfdf9b08
https://doi.org/10.1007/s10801-014-0530-9
https://doi.org/10.1007/s10801-014-0530-9
Autor:
Filippo Callegaro, Frederick Cohen, Corrado De Concini, Eva Maria Feichtner, Giovanni Gaiffi, Mario Salvetti
This book collects the scientific contributions of a group of leading experts who took part in the INdAM Meeting held in Cortona in September 2014. With combinatorial techniques as the central theme, it focuses on recent developments in configuration
Autor:
Giovanni Gaiffi, Filippo Callegaro
Publikováno v:
ISRN Geometry. 2011:1-13
Rains (2010) computes the integral homology of real De Concini-Procesi models of subspace arrangements, using some homology complexes whose main ingredients are nested sets and building sets of subspaces. We think that it is useful to provide various
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d6ad54975ce4304161c531b74b917ea
https://doi.org/10.5402/2011/387936
https://doi.org/10.5402/2011/387936
Autor:
Giovanni Gaiffi, Michele Grassi
Publikováno v:
Annales de la Faculté des sciences de Toulouse : Mathématiques. 19:419-451
Nous prouvons que on peut obtenir fibres naturels des algebres de Lie so(s+1, s+1), su(s+1, s+1) et sl(2s + 2, ℝ) sur varietes s-Kahler de rang 2. Ces fibres ont connexions naturelles dont les sections globales generalisent les operateurs de Lefsch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84738aeee7981b8f3dc57e9824d0db66
https://doi.org/10.5802/afst.1249
https://doi.org/10.5802/afst.1249
Autor:
Giovanni Gaiffi, Michele Grassi
Publikováno v:
Journal of Geometry and Physics. 59:207-220
We prove the existence of a natural ∗ -Lie super-algebra bundle on any orientable WSD manifold of rank 3. We describe in detail the associated Lie super-algebra L 3 , C of global sections. We show that L 3 , C is a product of sl ( 4 , C ) with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56183f335e77031dde9e8abf6cbd05dc
https://doi.org/10.1016/j.geomphys.2008.10.005
https://doi.org/10.1016/j.geomphys.2008.10.005
Autor:
Giovanni Gaiffi, Michele Grassi
Publikováno v:
Rendiconti del Seminario Matematico della Università di Padova. 121:121-143
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::401af195ec1ea1c17e94707c985b41c4
https://doi.org/10.4171/rsmup/121-7
https://doi.org/10.4171/rsmup/121-7