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UNIVERSITÀ DI CATANIA | ||
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DIPARTIMENTO
DI MATEMATICA E INFORMATICA |
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List
of Papers
| L. Bezerra, R. Gondim, G. Ilardi, G.
Zappalà, On minimal Gorenstein Hilbert functions, Rev. Real Acad. Cienc. Exactas Fis. Nat. Ser. A-Mat. (2024), 118(1),29 DOI: 10.1007/s13398-023-01523-6 URL arXiv:2206.05572 |
| G.
Zappalà, Properties of the resolution of almost Gorenstein algebras, J. Pure Appl. Algebra 226 (2022), no. 2, Paper No. 106810, 13pp. DOI: 10.1016/j.jpaa.2021.106810 URL arXiv:2002.06831 |
| A. Cerminara, R. Gondim, G. Ilardi, G.
Zappalà, On the Hilbert function of Gorenstein algebras of socle degree four, J. Pure Appl. Algebra 224 (2020), no. 12, 106434 DOI: 10.1016/j.jpaa.2020.106434 URL |
| R. Gondim, G.
Zappalà, On mixed Hessians and the Lefschetz properties, J. Pure Appl. Algebra 223 (2019), no. 10, 4268-4282 DOI: 10.1016/j.jpaa.2019.01.008 arXiv:1803.09664 |
| A.
Ragusa, G.
Zappalà, Minimal free resolutions for homogeneous ideals with Betti numbers 1,n,n,1, Communications in Algebra (2019), 47:8, 3123-3140 DOI: 10.1080/00927872.2018.1552281 arXiv:1612.02472 |
| R. Gondim, G.
Zappalà, Lefschetz properties for Artinian Gorenstein algebras presented by quadrics, Proc. Amer. Math. Soc. 146 (2018), no. 3, 993-1003 DOI: 10.1090/proc/13822 arXiv:1601.04454v1 |
| A.
Ragusa, G.
Zappalà, A structure theorem for most unions of complete intersections, J. Commut. Algebra 9 (2017), no. 3, 423-439 DOI: 10.1216/JCA-2017-9-3-423 |
| A.
Ragusa, G.
Zappalà, Minimal free resolutions for subschemes of star configurations, J. Pure Appl. Algebra 220 (2016), 278-291 ISSN: 0022-4049 DOI: 10.1016/j.jpaa.2015.06.010 |
| G. Favacchio, A.
Ragusa, G.
Zappalà, Tower sets and other configurations with the Cohen–Macaulay property, J. Pure Appl. Algebra 219 (2015), 2260-2278 ISSN: 0022-4049 DOI: 10.1016/j.jpaa.2014.07.035 |
| G. Favacchio, A.
Ragusa, G.
Zappalà, Linear quotients of Artinian Weak Lefschetz algebras, J. Pure Appl. Algebra 217 (2013), 1955-1966 ISSN: 0022-4049 DOI: 10.1016/j.jpaa.2013.01.009 |
| A.
Ragusa, G.
Zappalà, On the structure of resolutions of almost complete intersections, Int. J. Pure Appl. Math. Volume 83 No.1 (2013), 13-23 ISSN: 1311-8080 DOI: 10.12732/ijpam.v83i1.3 |
| A.
Ragusa, G.
Zappalà, On the Weak-Lefschetz property for Artinian Gorenstein algebras, Rend. Circ. Mat. Palermo (2013), Volume 62, Issue 2, 199-206 ISSN: 0009-725X DOI: 10.1007/s12215-012-0102-6 arXiv:1112.1498v1 |
| A.
Ragusa, G.
Zappalà, Characterization of the graded Betti numbers for almost complete intersections, Comm. Alg. 41 (2013), 492-506 ISSN: 0092-7872 DOI: 10.1080/00927872.2011.558150 |
| S.
Giuffrida, R.
Maggioni, G.
Zappalà, Scheme-theoretic complete intersections in P^1 x P^1, Comm. Alg. 41 (2013), 532-551 ISSN: 0092-7872 DOI: 10.1080/00927872.2011.605410 |
| A.
Ragusa, G.
Zappalà, On the Weak Lefschetz Property for Hilbert functions of almost complete intersections, Collect. Math. 64 (2013), 73-83 ISSN: 0010-0757 DOI: 10.1007/s13348-011-0053-9 arXiv:1003.4106v1 |
| A.
Ragusa, G.
Zappalà, On Complete Intersections Contained in Cohen Macaulay and Gorenstein ideals, Algebra Colloquium 18 (Spec 1) (2011) 857-872 ISSN: 1005-3867 www.worldscientific.com/doi/abs/10.1142/S1005386711000745 |
| A.
Ragusa, G.
Zappalà, On subschemes of 0-dimensional schemes with given graded Betti numbers, J. Commut. Algebra 3 (2011), no. 1, 117-146 ISSN: 1939-0807 DOI: 10.1216/JCA-2011-3-1-117 |
| A.
Ragusa, G.
Zappalà, Subschemes of special determinantal and pfaffian projective schemes, Result.Math. 55 (2009), 161-173 ISSN: 1422-6383 DOI: 10.1007/s00025-009-0392-y |
| A.
Ragusa, G.
Zappalà, Numerical properties of fat schemes with special support, Comm. Alg. 37 (2009), 869–884 ISSN: 0092-7872 DOI: 10.1080/00927870802271870 |
| A.
Ragusa, G.
Zappalà, Vanishing of Tor modules and homological dimensions of unions of aCM schemes, Journal of Algebra 310 (2007), 41-48 ISSN: 0021-8693 DOI: 10.1016/j.jalgebra.2006.10.034 |
| A.
Ragusa,
G. Zappalà, Looking for minimal graded Betti numbers, Illinois J. Math. 49 (2005), 453-473 ISSN: 0019-2082 projecteuclid.org/euclid.ijm/1258138028 |
| A.
Ragusa, G.
Zappalà, On the reducibility of the postulation Hilbert scheme, Rend. Circ. Mat. Palermo, Serie II, Tomo LIII (2004), 401-406 ISSN: 0009-725X DOI: 10.1007/BF02875732 |
| A.
Ragusa, G.
Zappalà, Hilbert functions of Cohen-Macaulay ideals with assigned generators’ degrees, Rend. Sem. Mat. Univ. Padova, Vol. 111 (2004), 99–118 ISSN: 0041-8994 www.numdam.org/item?id=RSMUP_2004__111__99_0 |
| A.
Ragusa, G.
Zappalà, On some properties of partial intersection schemes, Collect. Math., 54, 3 (2003), 255–267 ISSN: 0010-0757 www.collectanea.ub.edu/index.php/Collectanea/article/view/4037 |
| A.
Ragusa, G.
Zappalà, Partial intersections and graded Betti numbers, Beiträge zur Algebra und Geometrie, Vol. 44 (2003), No. 1, 285–302 ISSN: 0138-4821 www.emis.de/journals/BAG/vol.44/no.1/21.html |
|
J.
Roè, G. Zappalà, S. Baggio, Linear systems of surfaces with double points: Terracini revisited, Le Matematiche, Vol. LVI (2001) - Fasc. II, pp. 269–280 ISSN: 0373-3505 www.dmi.unict.it/ojs/index.php/lematematiche/article/view/234 |
| A.
Ragusa, G.
Zappalà, Gorenstein schemes on general hypersurfaces of P^r, Nagoya Math. J., Vol. 162 (2001), 111–125 ISSN: 0027-7630 projecteuclid.org/euclid.nmj/1114631593 |
| A.
Ragusa, G.
Zappalà, Properties of 3-codimensional Gorenstein schemes, Comm. Alg., 29(1), 303–318 (2001) ISSN: 0092-7872 DOI: 10.1081/AGB-100000802 |
| A.
Ragusa, G.
Zappalà, Partial Gorenstein in codimension 3, Le Matematiche, Vol. LV (2000) - Fasc. II, pp. 353–371 ISSN: 0373-3505 www.dmi.unict.it/ojs/index.php/lematematiche/article/view/277 |
| A.
Ragusa, G.
Zappalà, Postulation of subschemes of irreducible curves on a quadric surface, Rend. Circ. Mat. Palermo, Serie II, Tomo XLIX (2000), pp. 75–102 ISSN: 0009-725X DOI: 10.1007/BF02904221 |
| G.
Zappalà, 0-dimensional subschemes of curves lying on a smooth quadric surface, Le Matematiche, Vol. LII (1997) - Fasc. I, pp. 115–127 http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/397 |