English Version



Angelo Felice Lopez



               
PUBBLICAZIONI e PREPRINTS
                     (N.B. Il link a MathSciNet é disponibile solo per gli abbonati)

60. V. Buttinelli, A.F. Lopez, R. Vacca
      On the connectedness of some degeneracy loci and of Ulrich subvarieties
     
Preprint 2025 (arXiv:2512.0228).
[pdf]  

59. A.F. Lopez, D. Raychaudhury
     
A lower bound on the Ulrich complexity of hypersurfaces
     
Preprint 2025 (arXiv:2503.13396).
[pdf]  


58. A.F. Lopez, D. Raychaudhury
      On partially ample Ulrich bundles
     
Advances in Geometry 25 (2025), n. 4, 529-533.
[pdf]

57. A.F. Lopez
      On varieties with Ulrich twisted normal bundles
      Perspectives on four decades of Algebraic Geometry, volume 2. In memory of Alberto Collino.
      Progress in Mathematics 352. Birkhäuser 2025.
[pdf]

56. A.F. Lopez, R. Muñoz, J.C. Sierra
      On the classification of non big Ulrich vector bundles on fourfolds
     
Annali della Scuola Normale Superiore, Classe di Scienze (5) 26 (2025), n. 2, 707-755.
[pdf]

55. A.F. Lopez, D. Raychaudhury
      Non-existence of low rank Ulrich bundles on Veronese varieties
      Preprint 2024 (arXiv: 2406.08162).
[pdf] (Mathematica codes)

54. A.F. Lopez, D. Raychaudhury
      Ulrich subvarieties and the non-existence of low rank Ulrich bundles on complete intersections
      Preprint 2024 (arXiv: 2405.01154). In corso di pubblicazione su Transactions of the American Mathematical
      Society.
[pdf] (Mathematica codes)

53. V. Antonelli, G. Casnati, A.F. Lopez, D. Raychaudhury
      On varieties with Ulrich twisted conormal bundles.
      Proceedings of the American Mathematical Society 152 (2024), n. 11, 4645-4658.
[pdf] 

52. A.F. Lopez, D. Raychaudhury
      On varieties with Ulrich twisted tangent bundles
     
Annali di Matematica Pura ed Applicata 203 (2024), 1159-1193.
[pdf]

51. A.F. Lopez, R. Muñoz, J.C. Sierra
      Non-big Ulrich bundles: the classification on quadrics and the case of small numerical dimension
     
Manuscripta Mathematica 174, 517-533 (2024). 
[pdf]
 

50. A.F. Lopez
      Varieties with Ulrich twisted normal, conormal or tangent bundles
      Rendiconti del Seminario Matematico. Università e Politecnico di Torino 82 (2024), n. 1, 201-208. [pdf]

49. A.F. Lopez
     
On the extendability of projective varieties: a survey. (with an appendix by Thomas Dedieu).
     
In: The art of doing Algebraic Geometry, Trends in Mathematics, dedicated to Ciro Ciliberto,
     
Birkhäuser/Springer, Cham, 2023. [pdf]
 

48. A.F. Lopez, J.C. Sierra
      A geometrical view of Ulrich vector bundles
     
International Mathematics Research Notices IMRN (2023), n. 11, 9754-9776.
[pdf]


47. G. Casnati, A.F. Lopez
      On a remark by Daniel Ferrand
     
Preprint 2022 (arXiv:2212:04158)
. [pdf]

46. A.F. Lopez
      On the positivity of the first Chern class of an Ulrich vector bundle
     
Communications in Contemporary Mathematics 24 (2022), n. 9,
Paper No. 2150071, 22 pp..  [pdf]
 

45. A.F. Lopez
      Augmented and restricted base loci of cycles
     
Annales de l'Institut Fourier (Grenoble) 72 (2022), n. 1, 435-464. [pdf]

44. A.F. Lopez, R. Muñoz
      On the classification of non-big Ulrich vector bundles on surfaces and threefolds
     
International Journal of Mathematics 32 (2021), n. 14,
Paper No. 2150111, 18 pp.  [pdf]
 
43. U. Bruzzo, A. Grassi, A.F. Lopez
      Existence and density of general components of the Noether-Lefschetz locus on normal threefolds
     
International Mathematics Research Notices 2021, n. 17, 13416-1433.
[pdf]

42. A.F. Lopez
      On the existence of Ulrich vector bundles on some irregular surfaces
     
Proceedings of the American Mathematical Society 149 (2021), n. 1, 13-26.
[pdf]


41. C. Ciliberto, A.F. Lopez, R. Miranda
      Corrigendum to: Classification of varieties with canonical curve section via Gaussian maps on canonical curves
     
American Journal of Mathematics 143 (2021), n. 6, 1661-1663.
[pdf]

40. F. Bastianelli, A. Kouvidakis, A.F. Lopez, F. Viviani     
     
Effective cycles on the symmetric product of a curve,  II: the Abel-Jacobi faces.
        Atti della Accademia Nazionale dei Lincei. Rendiconti Lincei-Matematica e Applicazioni, 31 (2020), 839-878. [pdf]


39. A.F. Lopez
      On the existence of Ulrich vector bundles on some surfaces of maximal Albanese dimension.
     
European Journal of Mathematics 5 (2019), n. 3, 958-963. [pdf]

38. F. Bastianelli, A. Kouvidakis, A.F. Lopez, F. Viviani
      Effective cycles on the symmetric product ov a curve, I: the diagonal cone. (with an appendix by Ben Moonen)
      Transactions of the American Mathematical Society, 372 (2019), n. 12, 8709-8758.
[pdf]

37. C. Keem, Y.H. Kim, A.F. Lopez     
     
Irreducibility and components rigid in moduli of the Hilbert scheme of smooth curves.
         Mathematische Zeitschrift 292 (2019), n. 3-4, 1207-1222. [pdf]


36.
S. Cacciola, A.F. Lopez, F. Viviani
     
Moriwaki divisors and the augmented base loci of divisors on the moduli space of curves.
         
Michigan Mathematical Journal 65 (2016), n. 3, 533-546. [pdf]

35. A.F. Lopez     
     
Augmented base loci and restricted volumes on normal varieties, II: the case of real
      divisors.

         Mathematical Proceedings of the Cambridge Philosophical Society 159 (2015), n. 3,
      517-527
. [pdf]

34.
A.L.Knutsen, A.F. Lopez
      Projective normality and the generation of the ideal of an Enriques surface
.
     
Advances in Geometry 15 (2015), n. 3,  339-348.  [pdf]

33. A.L. Knutsen, A.F. Lopez

      Brill-Noether theory of curves on Enriques surfaces II: the
Clifford index.
     
Manuscripta Mathematica 147 (2015), n. 1-2, 193-237. [pdf]     


32. S. Boucksom, S. Cacciola, A.F. Lopez

      Augmented base loci and restricted volumes on normal varieties.

         Mathematische Zeitschrift 278 (2014), n. 3-4, 979-985. [pdf]

31. S. Cacciola, A.F. Lopez
     
Nakamaye's theorem on log canonical pairs.
         Annales de l'Institut Fourier (Grenoble) 64 (2014), n. 6, 2283-2298. [pdf]

30. F. Cukierman, A.F. Lopez, I. Vainsencher
     
Enumeration of surfaces containing an elliptic quartic curve.
         Proceedings of the American Mathematical Society 142 (2014), n. 10, 3305-3313. 
     
[pdf]

29. A.L. Knutsen, A.F. Lopez, R. Muñoz
      On the proof of the genus bound for Enriques-Fano threefolds.

      Journal of the Ramanujan Mathematical Society 27 (2012), n. 3, 375-395. [pdf]

28. A.L. Knutsen, A.F. Lopez, R. Muñoz

      On the extendability of projective surfaces and a genus bound for Enriques-Fano
      threefolds.

      Journal of Differential Geometry 88 (2011), n. 3, 483-518.
[pdf]

27. A.F. Lopez, R. Muñoz, J.C. Sierra Garcia
      On the extendability of elliptic surfaces of rank two and higher.
      Annales de l'Institut Fourier (Grenoble) 59 (2009), n. 1, 311-346.
  [pdf]

26. A.L.Knutsen, A.F. Lopez
      Brill-Noether theory of curves on Enriques surfaces I: the positive cone and gonality.
      Mathematische Zeitschrift 261 (2009), n. 3, 659-690.
[pdf]

25. L. Chiantini, A.F. Lopez
      Corrigendum to: Focal loci of families and the genus
of curves on surfaces.

      Proceedings of the American Mathematical Society 137 (2009), n. 11, 3951-3951.

     
[pdf] 


24. A.L.Knutsen, A.F. Lopez
      Surjectivity of Gaussian maps for curves on Enriques surfaces.
      Advances in Geometry 7 (2007), n. 2, 215-247.
[pdf]

23. A.L.Knutsen, A.F. Lopez
      A sharp vanishing theorem for line bundles on K3 or Enriques surfaces.
      Proceedings of the American Mathematical Society 135 (2007), n. 11, 3495-3498.

         [pdf]

22. A.F. Lopez, C. Maclean
      Explicit Noether-Lefschetz for arbitary threefolds.

      Mathematical Proceedings of the Cambridge Philosophical Society 143 (2007),
      n. 2, 323-342.
[pdf]

21. L. Giraldo, A.F. Lopez, R. Muñoz
      On the existence of Enriques-Fano threefolds of index greater than one.
      Journal of Algebraic  Geometry 13 (2004), n. 1, 143-166.
[pdf]

20. A.F. Lopez, Z. Ran
      On the irreducibility of secant cones, and an application to linear normality.
      Duke Mathematical Journal 117 (2003), n. 3, 389-401.
  [pdf]

19. L. Giraldo, A.F. Lopez, R. Muñoz
      On the projective normality of Enriques surfaces.

      Mathematische Annalen 324 (2002), n. 1, 135-158.
[pdf] 

18. C. Ciliberto, A.F. Lopez
      On the number of moduli of extendable canonical curves.
      Nagoya Mathematical Journal 167 (2002), 101-115.
[pdf]

17. M.C. Chang, A.F. Lopez
      A linear bound on the Euler number of threefolds of Calabi-Yau and of general type.
      Manuscripta Mathematica 105 (2001), n. 1, 47-67.
[pdf]

16. L. Chiantini, A.F. Lopez, Z. Ran
      Subvarieties of generic hypersurfaces in any variety.

      Mathematical Proceedings of the Cambridge Philosophical Society 130 (2001),
      n. 2, 259-268.
  [pdf]

15. C. Ciliberto, A.F. Lopez, R. Miranda
      On the Wahl map of plane nodal curves.
      In: Proceedings of the Symposium on Complex Analysis and Algebraic Geometry in
      memory of Michael Schneider, Bayreuth 1998. De Gruyter, Berlin-New York: 2000,
      155-163. 
[pdf]

14. A.F. Lopez
      On the existence of components of the Hilbert scheme with the expected number of
      moduli, II.

      Communications in Algebra 27 (1999), n. 7, 3485-3493.
  [pdf]

13. L. Chiantini, A.F. Lopez
      Focal loci of families and the genus of curves on surfaces.
      Proceedings of the American Mathematical Society 127 (1999), n. 12, 3451-3459.
     
[pdf]

12. C. Ciliberto, A.F. Lopez, R. Miranda
      Classification of varieties with canonical curve section via Gaussian maps on
      canonical
curves.
      American Journal of Mathematics 120 (1998), n. 1, 1-21.
[pdf]

11. C. Ciliberto, A.F. Lopez, R. Miranda
      Some remarks on the obstructedness of cones over curves of low genus.
      In: Higher dimensional complex varieties, Proceedings Trento 1994. De Gruyter,
      Berlin-New York: 1996, 167-182.
  [pdf]

10. C. Ciliberto, A.F. Lopez, R. Miranda
      On the corank of Gaussian maps for general embedded K3 surfaces.
      Proceedings of the Hirzebruch 65 Conference on Algebraic Geometry (Ramat
      Gan, 1993), 141-157.
      Israel Mathematical Conference Proceedings, 9, Bar-Ilan Univ., Ramat Gan, 1996.
     
[pdf]

  9. A.F. Lopez

      Surjectivity of Gaussian maps on curves in \({\mathbb P}^r\) with general moduli.
      Journal of Algebraic Geometry 5 (1996), n. 4, 609-631.
[pdf]

  8. A.F. Lopez, P. Pirola
      On the curves through a general point of a smooth surface in \({\mathbb P}^3\).

      Mathematische Zeitschrift 219 (1995), n. 1, 93-106.
[pdf]

  7. A.F. Lopez
      Noether-Lefschetz, space curves and mathematical instantons.
      Mathematische Annalen 298 (1994), n. 3, 385-402.
[pdf]

  6. C. Ciliberto, A.F. Lopez, R. Miranda
      Projective degenerations of K3 surfaces, Gaussian maps, and Fano threefolds.
      Inventiones Mathematicae 114 (1993), n. 3, 641-667. 
[pdf]

  5. A.F. Lopez
      Hodge theory on the Fermat surface and the Picard number of a general surface in
     
\({\mathbb P}^3\) containing a plane curve.
      Bollettino dell'Unione Matematica Italiana 7-B (1993), n. 1,
1-22. [pdf]

  4. A.F. Lopez
      On the curves lying on a general surface containing a fixed space curve.
      Ricerche di Matematica vol. XLI (1992), n. 1, 21-40.
[pdf]

  3. C. Ciliberto, A.F. Lopez
      On the existence of components of the Noether-Lefschetz locus with given codimension.
      Manuscripta Mathematica 73 (1991), n. 4, 341-357.
[pdf]

  2. A.F. Lopez
      On the existence of components of the Hilbert scheme with the expected number of moduli.
      Mathematische Annalen 289 (1991), n. 3, 517-528.
  [pdf]

  1. A.F. Lopez
      Noether-Lefschetz theory and the Picard group of projective surfaces.
      Memoirs of the American Mathematical Society 89 (1991), n. 438.
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