Demographic Information

  • Birth: Rousse, Bulgaria; February 5, 1950
  • Citizenship: Italy

    • Education :

  • M.Sc. in Mathematics, University of Sofia, June 1973,
  • Ph.D. in Mathematics, University of Sofia, April 1978.

    • Professional History:

  • 1978--1986 Research Fellow, Institute of Mathematics, Bulgarian Academy of Sciences, Sofia.
  • 1986--1991 Senior Research Fellow, Institute of Mathematics, Bulgarian Academy of Sciences.
  • 1991-1992 Lecturer in Analysis (temporary position), University of l'Aquila.(Faculty of Ingeneering).
  • 1992-2000 Associate Professor in Algebra, University of Udine.
  • 2000--present Professor in Algebra, University of Udine.

    • Fellowships:

  • 1980-1983 : Post-graduate student at Scuola Normale Superiore, Pisa, Italy (Advisor Prof. Corrado De Concini)
  • 01/09/1983-31/12/1983 : Scholar of Italian CNR

    • Research grants:

  • Collaborative research grant of NATO (NATO CRG 950347) for the project ``Topological and algebraic representation theorem and their applications" in 1995-96, extended for 1997-98 (for collaboration with the University of West Virginia, USA).
  • Research grant of Italian MURST (Ministry of University and Scientific and Technological Research) for 1998 for the project ``Ring Theory, modules and abelian groups: homological, topological and categorical methods"
  • Research grant of Italian MURST (Ministry of University and Scientific and Technological Research) for 2000 for the project ``Nuove prospettive nella teoria degli anelli, dei moduli e dei gruppi abeliani"
  • Research grant of Italian MURST (Ministry of University and Scientific and Technological Research) for 2002 for the project ``Sottogruppi dei gruppi compatti"
  • Research grant of Italian MURST (Ministry of University and Scientific and Technological Research) for 2005 for the project ``Argomenti scelti sui gruppi topologici e anelli di funzioni"

    • Visiting positions :

  • 15/01/1983-31/08/1983 and 15/05/1990-30/05/1990: Department of Mathematics, University of l'Aquila, Italy
  • 15/04/1989-15/06/1989 : Visiting Professor of Italian CNR
  • 1/10/1989-1/12/1989, 19/06/1991-4/08/1991 and 8/04/1993-20/04/1993: Department of Mathematics, York University, Canada
  • 01/06/1990-30/06/1990 and 01/10/1991-30/10/1991: Department of Mathematics, University of Padua, Italy
  • 15/07/1994-30/07/1994 : Department of Mathematics, University of Bern, Switzerland
  • 12/12/1994-08/01/1995 : University of Matsuyama, Japan
  • Octtober 1995, April 1996, March 1999 : University of West Virginia.
  • July 2000: University of West Australia, Perth.
  • July 2000: University of South Australia, Adelaide.
  • April/May 2004: Bar lIan University, Tel Aviv.
  • October/November 2004: University of Wisconsin at Madison.
  • January/February 2005: University of Coimbra, Portugal.
  • April/July 2005: University of York, Canada.
  • September/December 2005: Complutense University of Madrid, Spain.

    • Invited talks:

  • Conference of the Bulgarian Union of Mathematicians, Sunny Beach, April 1978
  • Conference on Abelian Groups and Modules, Udine (Italy), April 1984
  • Conference on Categorical Topology, l'Aquila (Italy), April 1986
  • Conference on Categorical Topology, Prague, August 1988
  • International Conference on Topology, Lecce (Italy), September 1990
  • Main lecturer at the Summer School in Category Theory, Bressanone (Italy), September 1991
  • International Conference on Topology, Matsuyama (Japan), December 1994
  • 8-th Prague Symposium on Topology and its Relation to Modern Algebra and Analysis, (Prague, August 1996)
  • II Iberoamerican Topology Conference, Morelia (México), March 20-22 1997
  • 1997 Spring Topology and Dynamics Conference, Lafayette, (Louisiana, USA), April 11-14.
  • Conference in honour of A. Orsatti's 60-th anniversary, Padoua, June 1997
  • Conference on Geometric and General Topology, Kyoto (Japan), 4-6 March 1998.
  • Workshop on General and Geometric Topology, Osaka (Japan), 7-8 March 1998.
  • First joint meeting Japan-Mexico in Topology and its Applications Morelia, México, July, 1999
  • International Conference on Topology and its Applications, Yokohama (Japan), August 23-27, 1999.
  • Workshop on topological groups and Lie groups, Madrid (Spain), September 20-25, 1999.
  • Workshop on Algebra, Logic and Geometry, Caserta, March 21-24, 2000.
  • III Congreso Italo--Espan~ol de Topologia Generaly Aplicaciones, La Manga (Spain), June 21--23, 2000
  • International Conference on Topology, Istanbul, August 2000.
  • 9-th Prague Symposium on Topology and its Relation to Modern Algebra and Analysis, (Prague, August 2001)
  • Topology in MatsueInternational Conference on Topology and its Applications, held jointly with the Second Japan-Mexico Topology Symposium, Shimane University (Matsue City), Japan, June 24-28, 2002.
  • V Iberoamerican Conference on General Topology and its Applications, June 10-14, 2003 in Lorca (Murcia), Spain
  • Conference on General Topology, Kyoto (Japan), November 2003.
  • International Conference on Topology, Skopie (Macedonia), September 2004.
  • Workshop on topological groups and number theory, Wien (Austria), March 2005.
  • Workshop on Geometric Topology, Nipissing Undievsrity, North Bay May 2005.
  • Workshop on Topological Groups, Pamplona (Spain), August 2005.
  • Workshop on topological aspects of category theory, Antwerp (Belgium), December 2005.
  • 10-th Prague Symposium on Topology and its Relation to Modern Algebra and Analysis, (Prague, August 2006)
  • ITES2007 Congreso Italo--Espan~ol de Topologia Generaly Aplicaciones, Bressanone (Italy), June 26--29, 2007
  • Advances in Set-Theoretic Topology, June 9-19, 2008, Erice, Sicily, Italy

    • Invited seminar talks:

  • Colloquium of Janos Bolyai Math. Society, Budapest, May 1977
  • University of Moscow, USSR - October 1986, October-November 1988, October 1990
  • University of Yerevan, USSR - October 1987
  • University of l'Aquila - January 1983, April 1989, May 1990, March-June 1991
  • University of Padua, Italy - February 1982, October 1983, May-June 1989, June, September 1990, June 1991, April 2000, April 2002, 2003.
  • University of Udine, Italy - May 1989, June 1990, May 1991
  • University of Trieste, Italy - May 1989, June 1990, October 1991
  • University of Bologna (Italy), October 1991
  • University of Florence (Italy), July 1997, December 2001
  • University of Milan (Italy), November 1991, May 2006
  • University of Naples (Italy), December 1992, September/October 1994, July 1996, April 1999
  • University of Pisa (Italy), December 2001
  • Mathematical Colloquium, York University, Toronto, Canada, November 1989, September 2003
  • Seminar of Topology and Set Theory at York University, (Toronto, April 1993);
  • Seminar of Category Theory at York University, (Toronto, September 2003);
  • Seminaire d'Initiation á l'Analyse (at l'Equipe d'Analyse, Prof. Gustav Choquet), University Paris VI, Jussieu, Febr. 1994
  • Seminar of Topology, Osaka University (Japan), Dec. 1994
  • Seminar of Topology at Ehime University, Matsuyama (Japan), Jan. 1995, Dec. 2007
  • Math. Colloquium at City College (New York), October 1995
  • Math. Colloquium at Queens College (New York, October 1995),
  • Math. Colloquium at West Virginia University (USA, October 1995),
  • Math. Colloquium at Wesleyan University (Connecticut, October 1995),
  • Math. Colloquium at California State University (Bakersfield, California, April 1996),
  • Math. Colloquium at California State Polytechnic University (Pomona, Los Angeles, California, April 1996).
  • Math. Colloquium at Tulane University (New Orleans) - April 1997
  • Math. Colloquium at South Mississippi University (Hattiesburg, Mississippi), April 1997.
  • Seminar of Topology at the University UAM, Mexico City, (México), March, 1997
  • Seminar of Topology at the University of Ljubljana (Slovenia), October 1997, Dicember 1998, October 1999, October 2000, October 2001 and September 2002, May and September 2003, April and October 2004, April 2006, October 2008.
  • Seminar of Topology at Ohio University, Athens (Ohio), September 1999.
  • Seminar of Topology at University Jaume I, Castellon (Spain), June 2000, June 2003, October 2005.
  • Seminar of Topology and Set Theory at the Institute of Mathematics of Cech Academy of Sciences, (Prague, October 2002).
  • Logic Seminar at Wisconsin University, Madison, November 2004.
  • Colloqium of Topology at the University UNAM, Mexico City, (México), December, 2004.
  • University of Trento, Italy, April 2005.
  • Seminar of Topology at Complutense University, Madrid (Spain), June 2003, February 2005, November 2005.
  • Set Theory Seminar, Toronto University (Canada), June 2005.
  • Colloqium of Topology at Vrije University, Brussels, (Belgium), March, 2007.
  • Seminar on Analysis, Bar llan University, Tel Aviv (Israel), October 2007
  • Seminar on Dynamical Systems, Hebrew University, Jerusalem (Israel), October 2007

    • Participation at Conferences and Workshops

  • 7th conference of the Bulgarian Union of Mathematicians, Sunny Beach, April 1977
  • V Congress of the Balcan Matematical Union, Varna (Bulgaria), June 1977
  • Conference of topology and set theory, Belgrade, August 1977
  • Colloquium on topology, Budapest, August 1978
  • Conference on algebraic groups, Trento (Italy), June 1981
  • Internazional conference on topology, Leningrad (USSR), July 1982
  • Internazional conference on topology, l'Aquila (Italy), March 1983
  • Congress of the Italian Mathematical Society, Perugia, September 1983
  • Colloquium on topology, Eger (Hungary), August 1983
  • Symposium on Topology and its Applicazions in Algebra and analysis, Prague, August 1981 and 1986
  • 14th conference of the Bulgarian Union of Mathematicians, Sunny Beach, April 1985
  • Summer school on general algebra Solenice (Cechoslovakia), August 1986
  • Summer school on algebra, Varna (Bulgaria), September 1986
  • International conference on topology, Baku (URSS), September 1987
  • Colloquium on topology and its applicazions, Pecs (Ungheria), August 1989
  • Internazional conference on modules and commutatve rings, Bressanone, October 1990
  • Workshop on splittable and uniform spaces, Vietri sul Mare, May 1992;
  • Groups 93, Galway/St Andrews (Irlanda) 1993;
  • International Colloquium on Topology, Szekszárd (Hungary, August 1993);
  • International conference of topology, Trieste, September 1993;
  • Meeting of ``Gruppo 40 % September 1993;
  • Scientific meeting of GNSAGA, Lecce, October 1993;
  • Infinite Groups 1994, Ravello, May 1994;
  • Abelian Groups and Modules, Padova, June 1994;
  • Workshop on Quantum groups and Hopf Algebras, Ferrara, May 1995,
  • Summer School on Set Theory and Forcing, Fermo, September 1996,
  • International conference on topology, Messina, September 1997
  • Conference on Algebra in honor of Laszlo Fuchs, New Orleans, April 1999
  • Workshop on Rings, Modules and Abelian group, Padova, December 1999.
  • International conference on Abelian Groups, Rings and Modules, Perth, July 2000.
  • Ninth Meeting on Real Analysis and Measure Theory, Grado (Italy), September 15-19, 2000.
  • IV Convegno Italo--Spagnolo di Topologia Generale e le sue Applicazioni, Bressanone, June 26--30, 2001
  • Summer Topology Conference, New York, July 2001.
  • International conference on Abelian Groups, Rings and Modules, Honolulu, July 2001.
  • International Algebra Conference, Venezia 2002, San Servolo, June 2002.
  • Topology Conference in honor of A.V. Arhangel'skij, Brooklyn, June 2003.
  • Summer Topology Conference, Washington D.C., July 2003.
  • Topology Conference, Beer Sheva University, April 29-30, 2004.
  • Third Japan-Mexico Topology Symposium, Oaxaca (Mexico), December 6-10, 2004.
  • Meeting of the Canadian Math. Society, Waterloo University (Canada), June 2005.
  • Topology Conference, Aegion (Greece), July 2006.
  • Conference in memory of L. Chakaloff and N. Obreshkov, Sofia (Bulgaria), July 2006
  • Summer Topology Conference, Castellon, Spain, July 2007
  • Workshop "Commutative rings and their modules", Bressanone (Italy), September, 2007
    • Workshop "Topics in dynamical systems", Udine (Italy), Settembre 2007
  • Categorical Methods in Algebra, Topology and Computer Science, October 26-28, 2007, Coimbra, Portugal
  • Joint conference with "4th Japan Mexico Topology Conference", December 3-7, 2007, Kyoto, Japan
  • Workshop "Hyperspaces and Selections", Matsuyama (Japan), December 2007

    • Teaching activities

    Supervision of Master thesis

  • Gerda Mladenova, Locally compact group topologies on abelian groups (University of Sofia, 1979/80)
  • Ivan Gotchev, Supertopologies and extensions of topological spaces (University of Sofia, 1984/85)
  • Luca Codutti, Designs and incidence structures (University of Udine, 1995/96)
  • Chiara Milan, Continuous dualities between categories of topological moduls (University of Padova, (1996/97)
  • Rosa Ermacora, Approximation by uniformly continuous funzions (University of Udine, 1996/97)
  • Elena Boschi, Generators of topological groups (University of Udine, 1997/98).
  • Ruth Marussi, Complemented lattices (University of Udine, 1998/99)
  • Danira Romanello, Recent trends in minimal topological rings (University of Udine, 1999/00).
  • Raffaele Di Santo, A Galois connection of a topological game (University of Udine, 2000/2001).
  • Erica Zanin, Chromatic number of hypergraphs and applications to van Douwen's problems on the Bohr topology, (University of Udine, 2001/2002).
  • Lorenzo De Leo, Typical continuous maps in the Bohr topology, (University of Udine, 2001/2002).
  • Anna Giordano Bruno, Extremal pseudocompact groups, (University of Udine, 2002/2003).
  • Lorenzo Busetti, Entropy of endomorphisms of abelian groups, (University of Udine, 2005/2006).
  • Erika Agnolin, Generalized theorem Hurwitz: classification of the composition algebras over a field, (Universitˆ di Udine, 2006/2007)
  • Gabriele Negro, Monothetic topological groups, (University of Udine, 2007/2008)
  • Simone Virili, The endomorphism ring of an abelian group, (University of Udine, 2007/2008)
  • Antonia Mos, On Artin-Schreier's theorem, (University of Udine, 2007/2008)
  • Nunzio Turtilicci, On the ring of continuous functions, (University of Udine, 2007/2008)
  • Daniele Toller, The Markov-Zarisky topology of the abelian groups, (University of Udine, 2007/2008)

    • Supervision of PhD thesis

  • Ivan Gotchev, Compactly determined and sequentially determined extensions of topological spaces, Universiy of Sofia (1988)
  • Alberto Tonolo, Closure in abstract categories and categories of topological modules, University of Firenze (1992).
  • Chiara Milan, On the structure theory of locally compact groups and applications, University of Florence (2003).
  • Anna Giordano Bruno, Cardinal invariants of topological groups and applications to k-pseudocompact groups, University of Udine, 2008
  • Lorenzo De Leo, Weak and strong topologies of the abelian topological groups, Universidad Complutense de Madrid (Spain); 2008
  • Sergio Zampa, Topological entropy and its connection to the algebraic entropy and the measure entropy, University of Udine, 2006/2009

    • External examiner of PhD thesis

  • Nguen Fan Dien, "Fuzzy topological spaces" (Sofia University, 1987)
  • Nikolai Hadjiivanov, "Extremal graphs" (Sofia University, 1988)
  • Gustavo Mezetti, "Topological Morita duality" (Padua University, 1998)
  • Gabor Lukacs, "c-Compactness and Generalized Dualities of Topological Groups" (York University, Toronto, 2003)
  • An Gerlo, "Separation, completeness and compactness in metrically generated theories", (Vrije Universiteit Brussel, 2007)
  • Chiara Baldovino, "Sequential order of compact sequential spaces" (Milan University, 2008)

    • Consulting activities.

    Referee's services for :

  • Annuaire Univ. Sofia Fac., Math. Méc,
  • Applied Categorical Structures,
  • Atti Sem. Mat. e Fis. dell'Univ. di Modena,
  • Bolletino Un. Mat. Ital.,
  • Bol. Soc. Mat. Mexicana.,
  • Communications in Algebra,
  • Comment. Math. Univ. Carolinae,
  • Contemporary Mathematics, (Amer. Math. Soc.)
  • Journal Algebra,
  • Journal of Group Theory,
  • Journal of Number Theory,
  • Journal of Pure Appl. Algebra,
  • Math. Proceeding Cambridge Phil. Society,
  • Mathematica Panonica
  • Proc. Amer. Math. Soc.
  • Proc. Indian Acad. Sciences,
  • Publicationes Mathematicae Debrecen,
  • Rend. Sem. Mat. dell'Univ. di Padova,
  • Rend. Ist. Mat. Trieste,
  • Richerche di Matematica,
  • Rivista di Matematica Pura ed Applicata,
  • Theory and Applications of Categories
  • Topology and its Applications,
  • Transactions Amer. Math. Soc.
  • Serdika,
  • Marcel & Dekker (Series ``Pure and Applied Mathematics"),
  • Kluwer Academic Publishers (Series ``Mathematics and its Applications"),

    • Reviewer for

  • Mathematical Reviews
  • Zentralblatt für Matematik.
  • grant applications to the NSF of the USA and South Africa, and the NSERC of Canada

    • Member of the organizing committee of

  • Internatonal Conferences on Topology, Primorsko (Bulgaria), September 1984
  • Internatonal Conferences on Topology, Varna (Bulgaria), September 1990
  • Internatonal Conference in honour of A. Orsatti's 60-th anniversary, Padova, June 1997.
  • International Algebra Conference, Venezia 2002, San Servolo, June 2002.