Curriculum vitae di

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Curriculum vitae di
Alfio Ragusa
Personal data:
Born in Catania (Italy) September 5, 1946
Married, with two children (Arianna and Elio)
Education:
Diploma at Scientific Liceum Catania 1964
Laurea degree University of Catania 1968
Advisor: Prof. Giovanni Dantoni
Thesis: The Arithmetic according to Peano
Position held:
Assistant: University of Catania October 15, 1968 – December 31, 1969
Assistant professor: University of Catania 1970 – 1978
Associated researcher: Brandeis University (Mass. USA) 1978-1980
Associated Professor: University of Catania 1980 –1982, 1983 – 1986
Visiting Professor: Northeastern University (Mass. USA) 1982
Full Professor: University of Catania April, 1987 – up today
Field of general interests:
Algebra and Geometry
Current research interests:
Commutative Algebra, Homological Algebra and Algebraic Geometry with special regard to Hilbert
functions and graded Betti numbers for projective schemes, in particular of low dimension (zerodimensional schemes, points on smooth quadrics, curves), or for special schemes as arithmetically
Cohen Macaulay, Gorenstein or partial intersections.
Administrative experiences:
At the Mathematics Department of University of Catania:
- President of Corso di Laurea in Mathematics: 1990 -1993
- Director of the Math Library: 1994 –1996
- President of the Committee for Positions at the Faculty of Sciences 1997 – 2003
- Director of the PhD program of the Mathematics Department 2001 – 2003
- Director of the Mathematics and Computer Science Department: November 2002-October 2005
- Director of the Mathematics and Computer Science Department: November 2005-October 2008
Scientific Director of the Scuola Superiore di Catania April 2009 – December 2010
Member of the Valuation Group of Palermo University September 2009 – December 2013
Conferences and meeting organized and co-organized:
- Convegno di Geometria Algebrica, Catania May 1978
- C.I.M.E. on Complete Intersections, Acireale (Catania) 1983
- General Meeting of Unione Matematici Italiani, Catania 1991
- Pragmatic 1997, Catania May – June 1997
- Syzygies Meeting, Catania June 1997
- Conference in honour od David Buchsbaum, Catania-Roma-Genova April – May 1998
- Pragmatic 1998, Catania June 1998
- Pragmatic 2000, sez. I, sez.II, Catania June – July 2000
- Conference on Commutative Algebra and Algebraic Geometry (in honour of the 60th birthday of
Silvio Greco), Catania 11-13 April 2001
- Pragmatic 2001, Catania 11-29 June 2001
- Workshop on Exterior Algebra Methods and Other New Directions, Erice 8-15 September 2001
- Conference on zero-dimensional schemes and related topics (in honor of Tony Geramita on the
occasion of his 60th birthday) La Perla Ionica (Acireale) 6-8 Giugno 2002
- Pragmatic 2002, Catania 9-27 September 2002
- Pragmatic 2003, Catania 9-28 June 2003
- Pragmatic 2004, Catania 25 August-15 September 2004
- Conference on “Problemi e ricerche negli ultimi 50 anni in Geometria Algebrica, Algebra, Logica
matematica e Didattica della matematica" (in occasione del 1° anniversario della scomparsa del Prof.
Giovanni Dantoni), Catania 19-20 Gennaio 2006
- Pragmatic 2006, Catania 4-23 September 2006
- Pragmatic 2007, Catania 8-28 July 2007
- Conference on “Differential Algebra and Related Computer Algebra” in memory of prof.ssa Carrà 26 - 29 Marzo 2008, at Dipartimento di Matematica e Informatica, Università di Catania
 Pragmatic 2008, Catania 13 July - 2 August 2008
 Pragmatic 2009, Catania 13 September - 2 October 2009
 Giornata INdAM, Catania 4 June 2010
 Pragmatic 2010, Catania 30 August – 18 September 2010
 Giornate Commutative, Politecnico Torino 11-13 April 2011
 Seminari CaMePa, 6 May 2011
 Pragmatic 2011, Catania 20 June – 9 July 2011
 Seminari CaMePa, 1 Dec 2011 (Messina)
 Seminari CaMePa, 27 Feb 2012 (Palermo)
 Seminari CaMePa, 7 June 2012 (Catania)
 15 years of Pragmatic 17-19 Sept 2012 (Catania)
 Pragmatic 2013, Catania 16 September – 4 October 2013
 Pragmatic 2014, Catania 23 June – 12 July 2014
Other professional activities:
Member of the editorial board of Le Matematiche: 1996-1999
Reviewer of A.M.S.
Co-editor of special volume of Le Matematiche dedicated to Pragmatic ’97
Co-editor of Proceedings of the Meetings in honour of David Buchsbaum, special volume of JPAA
(2000)
Member of G.N.S.A.G.A.: 1972 – up today
Member of Europroj: 1993 – 1998
Member of Eager: 2000 up to know
Local Director of the national Project Lauree Scientifiche (2005-2006, 2007-2009, 2010-2012, 20132014)
Fellowships:
“Borsa di studio per il potenziamento della Matematica”: 1965, 1966, 1967
N.A.T.O. – C. N.R. fellowship 1978/79, 1979/80
Grants:
M.U.R.S.T. (national project, ex 40%) 1980 – 2004
P.R.A.(local university project, ex 60%), director of the research 1989 – up today
I.N.D.A.M. (director of a joint project among the Universities of Catania, Messina and Reggio
Calabria)
P.R.I.N. 2005/2007 and 2007 - 2009 (local scientific director)
Teaching experiences:
1) Tutoring of Geometry and Complements of Mathematics 1968-1973
2) Courses of Mathematics for Chemistry 1974-1978
3) Courses of Algebra, Superior Algebra, Algebraic Geometry, Differential Geometry
for Mathematicians 1980 up today
4) Courses of Geometry and Linear Algebra for Engineering
5) Courses of Algebra and Geometry for S.I.S.S.I.S. (school for teaching)
6) Courses of Commutative Algebra, Homological Algebra, Algebraic Geometry for
PhD Program
Supervisor of Laurea degrees and PhD:
1) Supervisor of more than 120 theses of Laurea Degree on various subjects in Algebra and Geometry
(1975 – up today);
2) Supervisor of the PhD student Giuseppe Zappalà (1998): 0-dimensional subschemes of irreducible
curves of P3;
3) Supervisor of the PhD student Elena Guardo (2000): Fat points schemes;
4) Supervisor of the PhD student Lucia Marino: Separators for zero-dimensional schemes.
5) Supervisor of the PhD student Giuseppe Favacchio: Cohen-Macaulayness of tower sets and Betti
Weak Lefschetz property
Conferences, Seminars and talks (some of them)
- G.N.S.A.G.A. annual meeting, Siena 1973
- G.N.S.A.G.A. annual meeting, L’Aquila 1976
- Torino Politecnico 1977 (Hilbert algebras)
- Northeastern University (Boston Mass. USA) 1979
- Sherbrooke University (Quebec Canada) 1979
- Torino Politecnico 1980 (On the canonical element conjecture)
- Trento June1981
- G.N.S.A.G.A. annual meeting, Modena October1981
- Queen’s University (Kingston Ontario Canada) 1982
- Congress of U.M.I., Perugia September 1983
- University of Siena 1986
- University of Palermo 1987
- Kaiserslautern (Germany) 1988
- Nice (France) 1992
- Ravello 19992
- Ithaca (N.Y. USA) 1993
- Northeastern University, (Boston Mass. USA) October 1993
- Belaterra, Barcelona (Spagna) July 1996
- Trieste University, 1997
- Genova 1998 (Conference in honour od David Buchsbaum)
- C.C.A.A.G. Messina 1999
- Workshop on Zero-dimensional schemes, Napoli 2000
- University of Messina July 2000
- Catania 2001 (Conference on Commutative Algebra and Algebraic Geometry in honour of the 60th
birthday of Silvio Greco)
- Erice 2001 (Workshop on Exterior Algebra Methods and Other New Directions)
-Acireale 2002 (Conference on zero-dimensional schemes and related topics in honor of Tony
Geramita on the occasion of his 60th birthday)
- Queen’s University, Kingston Ontario (Canada) July 2001
- University of Messina, December 2001
- University of Barcelona, (Spagna) March 2002
- “Current Trends in Commutative Algebra” Levico Terme (Trento, Italy) June 2002.
- Workshop on Algebraic geometry and commutative algebra (Me January 2005)
- Algebra Commutativa e Computazionale (Genova 4 e 5 Novembre 2005)
- Catania 2006 (Conference on “Problemi e ricerche negli ultimi 50 anni in Geometria Algebrica,
Algebra, Logica matematica e Didattica della matematica" )
- University of Messina, June 2007
- Workshop on Commutative algebra , Algebraic geometry and applications to different fields - Brolo
Sept 2007 [comun. Hilbert function and Graded Betti numbers ----]
 Conference on Commutative algebra, Algebraic geometry, combinatorics and applications - Capo
d'Orlando (Me) Sept 2008
 Local ------ (June 2010) Trieste [comun.: About Almost complete intersections]
 Workshop (Messina October 2010) [ACI end Weak Lefschetz property]
 Conference Palermo (November 2010) A survey on resolutions for points
 Seminari CaMePa (Catania 6 Maggio 2011)
 Seminari CaMePa (Messina 1 Dicembre 2011)
 Seminari CaMePa (Palermo 27 Febbraio 2012)
 Seminari CaMePa (Catania 7 Giugno 2012)
 ETAM Catania 21-23 Febbraio 2013 (Algebras with the Weak Lefschetz Property)
 Seminars on Commutative Algebra and Algebraic Geometry
at the Math Depart of University of Catania, every year since 1972 up today.
Scientific publications
Books and Monographs:
1) Introduzione ai metodi omologici in Algebra Commutativa.
Quaderni della Facoltà di Ingegneria dell’Università di Catania n. 1 (1978)
2) Congetture omologiche in Algebra Commutativa
Quaderni dei gruppi di ricerca del CNR (1981)
3) Complete intersections and Golod ideals
(by Eugene Gover with the collaboration of Alfio Ragusa)
Dipartimento di Matematica Università di Catania and Department of Mathematics of
Northeastern University (1984)
4) Esercizi di Algebra (Teoria degli insiemi, Teoria dei gruppi, Teoria degli anelli)
(in collaborazione con C. Sparacino)
Casa Editrice Zanichelli (1992)
5) Corso di Algebra Lineare (con esercizi svolti)
(in collaborazione con S. Giuffrida)
Casa Editrice Il Cigno Galileo Galilei (1998)
6) Le classi di resto e l'aritmetica modulare. Esempi, formalizzazione, applicazioni.
(in collaborazione con M.A. Aleo, D. Margarone, V. Panebianco, C. Zinna)
Casa Editrice La Tecnica della Scuola (2006)
7) Corso di Algebra (Un approccio amichevole)
Casa Editrice Aracne (Gennaio 2010)
8) Un cavallo che guida una macchina!
Casa Editrice Aracne (Gennaio 2010)
9) Collezione di Esercizi di Algebra
Casa Editrice Ambasciatori (Novembre 2012)
Isbn 9788890494314
Scientific Papers
10) Sulla permanenza degli anelli di Krull e completamente integralmente chiusi rispetto a certi tipi
di omomorfismi.
(with R. Maggioni)
Rend. Circ. Mat. Palermo (2) 24 (1975), no. 3, 255--266.
11) Algebras for which the generalized Hilbert nullstellensatz holds.
(with R. Maggioni)
Annali dell'Università di Ferrara. Nuova Serie. Sezione VII. Scienze Matematiche, 25 (1979), 205-218.
12) On openness of Hn-locus and semicontinuity of n-deviation.
Proceedings of the American Mathematical Society 80 (1980), no. 2, 201--209.
13) On some conditions of regularity, in terms of existence of a good basis of syzygies.
(with C. Massaza)
Journal of Algebra 70 (1981), no. 2, 493--516.
14) A homological invariant associated with the ideals of a local ring.
Unione Matematica Italiana. Bollettino. D. Serie VI 2 (1983), no. 1, 147--166.
15) Some conditions on the homology groups of Koszul complex.
(with C. Massaza)
Pacific J. of Math. 111 (1984), no. 1, 137--161
16) Connections between Hilbert function and geometric properties for a finite set of points in P2.
(with R. Maggioni)
Le Matematiche 39 (1984), no. 1-2, 153--170 .
17) Nonsingular curves passing through points of P2 in generic position I
(with R. Maggioni)
Journal of Algebra 92 (1985), no. 1, 176--193, 194--207.
18) Nonsingular curves passing through points of P2 in generic position II
(with R. Maggioni)
Journal of Algebra 92 (1985), no. 1, 176--193, 194--207.
19) Koszul complexes with isomorphic homology.
(with E. Gover)
Math. Scand. 60 (1987), no. 1, 39--51
20) Construction of smooth curves of P3 with assigned Hilbert function and generators’ degrees
(with R. Maggioni)
Le Matematiche 42 (1987), no. 1-2, 195--209 (1989).
21) On the cohomology grousp of linked schemes
(with R. Maggioni)
Boll. Un. Mat. Ital. A. Serie VII 2 (1988), no. 2, 269--276
22) Hilbert functions of generic plane sections of curves of P3
(with R. Maggioni)
Invent. Math. 91 (1988), no. 2, 253--258.
23) On the postulation of 0-dimensional subschemes on a smooth quadric
(with S. Giuffrida and R. Maggioni)
Pacific J. of Math. 155 (1992), no. 2, 251--282.
24) On the Lüroth semigroup of curves lying on a smooth quadric
(with G. Paxia and G. Raciti)
Manuscripta Math. 75 (1992), no. 3, 225--246.
25) Uniform position property and Hilbert function of points lying on a smooth quadric
(with G. Paxia and G. Raciti)
Journal of Algebra 149 (1992), no. 1, 102--121.
26) Resolutions of 0-dimensional subschemes of a smooth quadric
(with S. Giuffrida and R. Maggioni)
Collection: Zero-dimensional schemes (Ravello, 1992), 191--204
Proceedings of Int. Conf. on Zero-dimensional schemes Ravello 1992 W. De Gruyter, 191-204
(1994)
27) Generic quadric sections of irreducible curves
(with G. Paxia)
Comm. Algebra 22 (1994), no. 5, 1843--1859.
28) Irreducible Buchsbaum curves
(with G. Paxia)
Comm. Algebra 23 (1995), no. 8, 3025--3031.
29) Resolutions of generic points lying on a smooth quadric
(with S. Giuffrida and R. Maggioni)
Manu. Math.91, 421-444 (1996)
30) Generic quadric sections of irreducible Buchsbaum curves.
(with G. Paxia)
Journal of Pure Appl. Algebra 119 (1997), no. 1, 97--111.
31) Betti numbers of space curves bounded by Hilbert functions
(with R. Maggioni)
Le Matematiche] 52 (1997), no. 1, 217--232 (1998).
32) Postulation of subschemes of irreducible curves on a quadric surface
(with G. Zappalà)
Rend.Circ.Matem. Palermo vol.48 (1999)
33) Properties of 3-codimensional Gorenstein schemes
(with G. Zappalà)
Comm. in Algebra, 29 (1), 303-318 (2001)
34) Gorenstein schemes on general surfaces
(with G. Zappalà)
Nagoya Math. J. Vol.162, 111-125 (2001)
35) Partial intersections and graded Betti numbers
(with G. Zappalà)
Beitrage zur Algebra und Geometrie (Contribution to Algebra and Geometry)
Vol. 44, n.1, 285-302 (2002)
36) Partial Gorenstein in codimension 3
(with G. Zappalà)
Proceedings of Conference on Commutative Algebra and Algebraic Geometry, Catania 11-13
April 2001, Le Matematiche 2002
37) On some properties of partial intersection schemes
(with G. Zappalà)
Collectanea Mathem. (Barcelona) 54, 3 (2003), 255-267
38) Hilbert functions of saturated ideals with assigned generators' degrees
(with G. Zappalà)
Rend. Univ. Padova vol. III (2004), 99-118
39) On the reducibility of the postulation Hilbert scheme
(with G. Zappalà)
Rend. Circ. Matem. di Palermo serie II, vol. LIII (2004), 401-406
40) On subschemes of 0-dimensional schemes with given graded Betti numbers
(with G. Zappalà)
Journal of Commutative Algebra 3 (2011) n.1, 117-146
41) Looking for graded Betti numbers
(with G. Zappalà)
Illinois Journal of Mathematics Vol 49 N. 2 (2005), 453-473
42) Vanishing of Tor modules and homological dimensions of unions of aCM schemes
(with G. Zappalà)
Journal of Algebra 310 (2007), 41--48.
43) Numerical properties of fat schemes with special support
(with G. Zappalà)
Communication in Algebra 37 (2009) 869-884
44) Subschemes of determinantal and pfaffian projective schemes
(with G. Zappalà)
Results in Mathematics 55 (2009) 161-173
ISSN: 1422-6383
DOI: 10.1007/s00025-009-0392-y
45) On complete intersections contained in Cohen Macaulay and Gorenstein ideals
(with G. Zappalà)
Algebra Colloquium 18 (Spec 1) (2011) 857-872
ISSN: 1005-3867
46) Characterization of Graded Betti numbers for almost complete intersections
(with G. Zappalà)
Comm. Alg. 41 (2013), 492-506.
ISSN: 0092-7872
DOI: 10.1080/00927872.2011.558150
47) On the Weak Lefschetz Property for Hilbert functions of almost complete intersections
(with G. Zappalà)
Collect. Math. 64 (2013), 73-83.
ISSN: 0010-0757
DOI: 10.1007/s13348-011-0053-9
arXiv:1003.4106v1
48) A structure theorem for unions of complete intersections
(with G. Zappalà)
Submitted Acta Sinica
49) On the structure of resolutions of almost complete intersections
(with G. Zappalà)
Int. J. Pure Appl. Math. Volume 83 No.1 (2013), 13-23
ISSN: 1311-8080
DOI: 10.12732/ijpam.v83i1.3
50) On the Weak-Lefschetz property for Artinian Gorenstein algebras
(with G. Zappalà)
Rend. Circ. Mat. Palermo (2013).
ISSN: 0009-725X
DOI: 10.1007/s12215-012-0102-6
arXiv:1112.1498v1
51) Linear quotients of Artinian weak Lefschetz algebras
(with G. Favacchio, G. Zappalà)
J. of Pure and Applied Algebra 217 (2013), 1955 -1966
ISSN: 0022-4049
DOI: 10.1016/j.jpaa.2013.01.009
52) Tower sets and other configurations with the Cohen-Macaulay property
(with G. Favacchio, G. Zappalà)
Accepted by J.Pure and Appl. Alg.
arXiv:1401.3535v1
Unpublished papers
53) A classification of arithmetically Cohen Macaulay varieties with given Hilbert function.
(with R. Maggioni) (1985)
January, 2014
Prof. Alfio Ragusa
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