English Version

Prof.dr. Mihai Ion

  


Data si locul nasterii: S-a nascut la 9 Septembrie 1958 in Horezu, jud. Valcea.

Educatia: Absolvent in 1982 al Facultatii de Matematica, Universitatea Bucuresti.
Teza de doctorat: Doctor in Matematici din 1994 cu teza "Differential Geometry of (Pseudo)-Riemannian Manifolds Admitting Certain Endomorphisms of Tangent Bundles and Their Submanifolds" la Universitatea Catolica din Leuven, Belgia.
Pozitii academice: Asistent din 1988, lector din 1995, conferentiar din 1997.
Cursuri predate: A predat cursuri de Geometrie Diferentiala, Geometria varietatilor complexe, Geometria subvarietatilor in varietati complexe, Functii convexe pe varietati riemanniene (Master).
Domenii de interes stiintific: Desfasoara o bogata activitate stiintifica in geometria diferentiala a varietatilor (pseudo)-riemanniene inzestrate cu G-structuri si a subvarietatilor acestora, teoria invariantilor Chen si aplicatii.

Laureat al Permiului "Gh. Titeica" al Academiei Romane (1995).
A fost membru in comisii de doctorat in strainatate: Université Claude Bernard Lyon 1; University of Kalyani (India).
A tinut conferinte la Universitatile Catolice din Leuven si Bruxelles si la Universitatile Messina, Toyama, Tohoku, Muroran, Hokkaido, Yamagata.
A beneficiat de burse de cercetare la Universitatea Catolica din Leuven (1993-1994, 1996-1997) si la Universitatea Yamagata (1996).

Este recenzent la "Mathematical Reviews" si "Zentralblatt für Mathematik" si referent la "Publicationes Math. Debrecen" si "Bull. Inst. Math. Acad. Sinica".
Membru al American Mathematical Society, Mathematical Society of Japan si Tensor Society.


 Anunturi manifestari stiintifice:
-  Riemannian Geometry and Applications to Engineering and Economics , Bucuresti, May 19-21, 2014.

-  Riemannian Geometry and Applications , Bucuresti, May 10-14, 2011.

-  Riemannian Geometry and Applications , Brasov, July 8-11, 2008 - Poster (actualizat iulie 2008);
-  Riemannian Geometry and Applications , Brasov, July 8-11, 2008 - second announcement (actualizat mai 2008);
-  Riemannian Geometry and Applications , Brasov, July 8-11, 2008 - first announcement

-  Riemannian Geometry and Applications , Brasov, June 21-25, 2007 - second announcement (actualizat mai 2007);
-  Riemannian Geometry and Applications , Brasov, June 21-25, 2007 - first announcement.



Carti si manuale

  1. Capitole Speciale de Geometria Varietatilor Complexe, Ed. Univ. Bucuresti, 1995.
  2. Some Aspects of the Differential Geometry of Vector Fields (cu R.Rosca si L.Verstraelen), PADGE, K.U.Leuven, K.U.Brussel, 1996; MR 2001i:53065.
  3. Culegere de Probleme de Geometrie Diferentiala (cu A.Oiaga si D.Cioroboiu), Ed. Univ. Bucuresti, 1999.
  4. Geometria Subvarietatilor in Varietati Complexe, Ed. Univ. Bucuresti, 2001.
  5. Complex Differential Geometry, in "Handbook of Differential Geometry", vol.II, Eds.: F.Dillen and L.Verstraelen, 383-435, North-Holland, 2006.

Articole stiintifice

  1. Varietati de paracontact si subvarietati semi-invariante in varietati metrice de paracontact, (cu S.Ianus), Lucr. Conf. Nat. Geom. Top., Busteni (1981), 160-170; MR 85a:53043.
  2. Almost product structures on the tangent bundle of an almost paracontact manifold (cu C.Nicolau), Demonstratio Math., 15(1982), 1045-1058; MR 85b:53035.
  3. Semi-invariant submanifolds of an almost paracontact manifold (cu S.Ianus), Tensor N.S. 39, 1982, 195-200; MR 87c:53102.
  4. CR-subvarietati ale unei f-varietati cu repere complementare, St. Cerc. Mat., 35, 1983, 127-136; MR 85a:53045.
  5. Some structures induced on the tangent bundle of an almost paracontact manifold (cu C.Nicolau), Proc. Nat. Sem. Finsler Spaces, Brasov, 1983, 141-146; MR 84k:53041.
  6. On generic submanifolds of a framed f-manifold, Proc. Nat. Conf. Geom. Top., Timisoara, 1984, 153-158; Zbl. 633.53032.
  7. Almost semi-invariant submanifolds of some almost paracontact Riemannian manifolds (cu S.Ianus si K.Matsumoto), Bull. Yamagata Univ.,11, 1985, 121-128; MR 87b:53063.
  8. Some structures defined on the tangent bundle of a P-Sasakian manifold, Bull. Math. Soc. Sci. Math. Roumanie, 29, 1985, 61-67; MR 86m:53062.
  9. On P-Sasakian manifolds which admit certain tensor fields (cu K.Matsumoto si S.Ianus), Publicationes Math. Debrecen, 33, 1986, 199-204; MR 88d:53047.
  10. Submanifolds of a manifold with a Sasakian 3-structure, Proc. Nat. Conf. Geom. Top., Targoviste, 1986, 143-148; MR 90a:53054.
  11. Generic submanifolds of some almost paracontact Riemannian manifolds, Topics in Differential Geometry, Coll. Math. Soc. J. Bolyai, 46, 1988, 777-791, North-Holland; MR 89c:53026.
  12. Almost CR-submanifolds of a manifold with a Sasakian 3-structure (cu K.Matsumoto), Bull. Yamagata Univ., 12,1988, 1-8; MR 89d:53100.
  13. On a certain transformation in a Lorentzian para-Sasakian manifold (cu K.Matsumoto), Tensor N.S. 47, 1988, 189-197; MR 90g:53032.
  14. Submanifolds of an almost r-paracontact Riemannian manifold of P-Sasakian type (cu K.Matsumoto), Tensor N.S. 48,1989, 138-144; MR 91g:53060.
  15. Hypersurfaces of an l.c. Kähler space form (cu K.Matsumoto si R.Rosca), Polytechnic Inst. Bucharest Sci. Bull. 53, 1991, 199-205; MR 95d:53064.
  16. Certain real hypersurfaces of a locally conformal Kähler space form (cu K.Matsumoto si R.Rosca), Bull. Yamagata Univ. 14, 1992, 1-11; MR 92m:53096.
  17. A certain locally conformal almost cosymplectic manifold and its submanifolds (cu R.Rosca si K.Matsumoto), Tensor N.S. 51, 1992, 91-102; MR 94b:53064.
  18. On Lorentzian P-Sasakian manifolds (cu R.Rosca), "Classical Analysis", 155-169, World Scientific, Singapore, 1992; MR 93e:53076.
  19. On the heat kernel of a compact Riemannian manifold, Rend. Sem. Mat. Messina 2, 1993, 103-108; MR 97c:58152.
  20. Totally real tensor products of submanifolds, Polytechnic Inst. Bucharest Sci. Bull. 55, 1993, 203-206; MR 97e:53109.
  21. Almost conformal 2-cosymplectic manifolds (cu D.Naitza), Rev. Roum. Math. Pures Appl. 39, 1994, 157-171; MR 95g:53041.
  22. Semi-invariant submanifolds of a trans-Sasakian manifold (cu K.Matsumoto si M.Hasan Shahid), Bull. Yamagata Univ., 13, 1994, 168-176; MR 95c:53059.
  23. On structure conformal vector fields on a general space-time manifold (cu K.Matsumoto si D.Naitza), Tensor N.S. 55, 1994, 270-275; MR 96g:53095.
  24. Introduction to tensor products of submanifolds (cu L.Verstraelen), "Geometry and Topology of Submanifolds", VI, 141-151, World Scientific, Singapore, 1994; MR 95j:53106.
  25. Tensor products of spherical and equivariant immersions (cu F.Decruyenaere, F.Dillen si L.Verstraelen), Bull. Belgian Math. Soc.-Simon Stevin, 1, 1994, 643-648; MR 95k:53072.
  26. Tensor product surfaces of Euclidean planar curves (cu R.Rosca, L.Verstraelen si L.Vrancken), Rend. Sem. Mat. Messina, 3, 1994-1995, 173-184; MR 2001a:53096 .
  27. Tensor product surfaces of a Lorentzian plane curve and a Euclidean plane curve (cu I.Van de Woestyne, L.Verstraelan si J.Walrave), Rend. Sem. Mat. Messina, 3, 1994-1995, 147-158; MR 2000m:53029.
  28. On biconcircular almost contact 3-structures (cu E.Reyes si R.Rosca), Rend. Sem. Mat. Messina, 3, 1994-1995, 107-120; MR 2000m:53112.
  29. Torse formings on a pseudo quasi Sasakian manifold (cu D.Naitza), Bull. Math. Soc. Sci. Math. Roumanie, 39, 1995, 161-166; Zbl. 846.53002.
  30. Tensor product surfaces of Lorentzian planar curves (cu I.Van de Woestyne, L.Verstraelen si J.Walrave), Bull. Inst. Math. Acad. Sinica, 23, 1995, 357-363; MR 97a:53091.
  31. On pseudo-Riemannian biconformal cosymplectic manifolds (cu R.Rosca si L.Verstraelen), Soochow J. Math., 21, 1995, 221-252; MR 96f:53041.
  32. ξ-null geodesic gradient vector fields on a Lorentzian para-Sasakian manifold (cu R.Rosca si K.Matsumoto), J. Korean Math. Soc., 32, 1995, 17-31; MR 96b:53084.
  33. Generic submanifolds of a trans-Sasakian manifold (cu M.Hasan Shahid), Publicationes Math. Debrecen, 47, 3-4, 1995, 209-218; MR 96i:53049.
  34. Tensor product surfaces of Euclidean plane curves (cu B.Rouxel), Results Math. 27, 1995, 308-315; MR 96c:53006.
  35. Certain submanifolds of a Kaehler manifold, "Geometry and Topology of Submanifolds" VII,186-188, World Scientific, Singapore, 1995; MR 98e:53117.
  36. Tensor product surfaces of Euclidean plane curves (cu B.Rouxel), "Geometry and Topology of Submanifolds", VII, 189-192, World Scientific, Singapore, 1995; MR 97k:53007.
  37. Certain submanifolds of a Sasakian manifold, "Geometry and Topology of Submanifolds", VIII, 265-268, World Scientific, Singapore, 1996; MR 98b:53048.
  38. On a class of exact locally conformal cosymplectic manifolds (cu R.Rosca si L.Verstraelen), Internat. J. Math. Math. Sci. 19, 1996, 267-278; MR 96m:53028.
  39. On gradient almost torse forming vector fields (cu K.Matsumoto si R.Rosca), Math. J. Toyama Univ. 19, 1996, 143-157; MR 98a:53103.
  40. Submanifolds of a Kaehler manifold, Academia Romana, Mem. Sect. St., 19, 1996, 129-134; MR 2000c:53066.
  41. General space-time having the quasi-concurrence property (cu M.T.Calapso si R.Rosca), Rend. Sem. Mat. Messina 4 (1996-1997), 135-146; MR 2001j:53099.
  42. An obstruction to the existence of minimal totally real immersions in a l.c.K. space form (cu K.Matsumoto), Bull. Yamagata Univ., 14, 1997, 83-87; MR 98c:53069.
  43. B.Y. Chen's inequality for C-totally real submanifolds in Sasakian space forms (cu F.Defever si L.Verstraelen), Boll. Un. Mat. Ital. 11, 1997, 365-374; MR 98e:53088.
  44. Framed (2m+3)-dimensional Riemannian manifolds endowed with a Sasakian almost contact 3-structure (cu M.T.Calapso, K.Matsumoto si R.Rosca), Bull. Math. Soc. Sc. Math. Roumanie 41(89), 1997, 97-106; Zbl. 903.53036.
  45. On manifolds endowed with a T-Killing almost contact 2-structure (cu R.Rosca), Libertas Math. 17, 1997, 101-110; MR 98i:53041.
  46. On para-Kaehlerian manifolds M(J,g) and on skew-symmetric Killing vector fields carried by M (cu L.Nicolescu si R.Rosca), Portugaliae Math. 54, 1997, 215-228; MR98e:53117.
  47. Riemannian manifolds endowed with a locally cosymplectic cohomological almost contact 2-structure (cu K.Matsumoto si R.Rosca), Tensor N.S. 58, 1997, 304-313; MR 2000m:53111.
  48. On the topology of semi-invariant submanifolds of a P –Sasakian manifold (cu K.Matsumoto si I.Sato), Tensor N.S. 59 (1998), 88-93; MR 2002g:53101
  49. Distinguished submanifolds of a Sasakian manifold, "Geometry and Topology of Submanifolds", IX, 192-197, World Scientific, 1999; MR 1 787 382.
  50. Certain submanifolds of a Kenmotsu manifold (cu K.Matsumoto si M.H.Shahid), Third Pacific Rim Geom. Conf., 183-193, Monogr. Geom. Topology 25, Intern. Press, Cambridge, MA, 1998; MR 2001e:53059.
  51. A class of C-totally real submanifolds of Sasakian space forms (cu F.Defever si L.Verstraelen), J. Australian Math. Soc. (Ser.A), 64, 1998, 120-128; MR 2000a:53096.
  52. On exact 2-para Sasakian manifolds (cu L.Nicolescu si R.Rosca), Rend. Circ. Mat. Palermo, 48, 1999, 223-236; MR 2000d:53048.
  53. Framed (2m+3)-dimensional almost Kenmotsu manifolds endowed with a vertical x-parallel connection (cu R.Rosca), Libertas Math. 19, 1999, 47-57; MR 2000k:53025.
  54. B.Y. Chen inequalities for slant submanifolds in complex space forms (cu A.Oiaga), Demonstratio Math. 32, 1999, 835-846; MR2000m:53081.
  55. Lorentzian Kenmotsu manifolds having two skew symmetric conformal vector fields (cu A.Oiaga si R.Rosca), Bull. Math. Soc. Sci. Math. Roumanie 42(90), 1999, 237-251; Zbl. 954.53013.
  56. On Lorentzian para-Sasakian manifolds (cu A.Shaikh si U.C.De), Korean J. Math. Sci. 6, 1999, 1-13.
  57. Cohomology of CR-submanifolds of a trans-Sasakian manifold (cu K.Matsumoto si M.H.Shahid), Tensor N.S. 61 (1999), 1-6; MR 2003d:53093.
  58. Ideal C-Lagrangian submanifolds of a Sasakian space form, Proc. 10-th Int. Symp. Classical Analysis, Kazimierz Dolny, 1999.
  59. Shape operator AH for slant submanifolds in complex space forms (cu K.Matsumoto si A.Oiaga), Bull. Yamagata Univ., 14, 2000, 169-177; MR 2001e:53058.
  60. On cosymplectic quasi-Sasakian manifold with quasi-Reeb vector field (cu A.Oiaga si R.Rosca), Publicationes Math. Debrecen , 57, 2000, 475-485; MR 2001j:53110.
  61. P-Sasakian manifold, Encyclopaedia Math., Suppl. II, 378-379, Kluwer Academic Publ., 2000.
  62. Certain Chen-like inequalities, Proc. II-nd International Conf. Basic Sciences Advanced Technology, 75-88, Assiut, Egipt, Nov. 5-8, 2000.
  63. On A-cosymplectic manifolds (cu M.T.Calapso si R.Rosca), Rend. Sem. Mat. Messina 7 (2000), 73-86; MR 2003d:53140.
  64. Submanifolds of framed metric manifolds and S-manifolds (cu M.M.Tripathi), Note Mat. 20 (2000/2001), 133-162; MR 1 897 603.
  65. B.-Y. Chen inequalities for submanifolds in Sasakian space forms (cu F.Defever si L.Verstraelen), Boll. Un. Mat. Ital. 4, 2001, 521-529; MR 2002b:53085.
  66. On a class of Einstein hypersurfaces immersed in a Riemannian manifold (cu R.Rosca si L.Verstraelen), Annali Math. Pura Appl. 180 (2001), 71-79; MR 2002f:53071.
  67. On 2-almost contact Tachibana manifolds (cu R.Rosca si L.Verstraelen), Rend. Circ. Mat. Palermo 50 (2001), 415-426; MR 2002h:53140.
  68. B.Y. Chen inequalities for submanifolds in locally conformal cosymplectic manifolds (cu K.Arslan, R.Ezentas, C.Murathan, C.Ozgur), Bull. Inst. Math. Acad. Sinica 29 (2001), 231-242; MR 2002i:53109.
  69. On space-time carrying a total hyperbolic skew symmetric Killing vector field (cu R.Rosca si L.Verstraelen), J. Geom. Phys. 40 (2001), 47-55; MR 2002h:53125.
  70. Ricci curvature of submanifolds in complex space forms (cu K.Matsumoto si A.Oiaga), Rev. Roum. Math. Pures Appl. 46 (2001), 775-782; MR 2003i:53085.
  71. Certain inequalities for submanifolds in (k, μ)-contact space forms (cu K.Arslan, R.Ezentas, C.Murathan, C.Ozgur), Bull. Austral. Math. Soc. 64 (2001), 201-212; MR 2002f:53090.
  72. Tensor product surfaces of a Euclidean space curve and a Euclidean plane curve (cu K.Arslan, R.Ezentas, C.Murathan, C.Ozgur), Beitrage Alg. Geom. (Contrib. Alg. Geom.) 42 (2001), 523-530; MR 2002i:53066.
  73. On almost para-Hermitian manifolds structured by a T-parallel connection (cu F.Defever si R.Rosca), Saitama Math. J. 19 (2001), 1-12; MR 2003c:53038.
  74. Ricci curvature of submanifolds in Sasakian space forms, J. Australian Math. Soc. 72 (2002), 247-256; MR 2002k:53108.
  75. On a class of even dimensional manifolds structured by a T-parallel connection (cu A.Oiaga si R.Rosca), Internat. J. Math. Math. Sci. 29 (2002), 681-686; MR 2003e:53028.
  76. Ricci curvature of submanifolds in Kenmotsu space forms (cu K.Arslan, R.Ezentas, C.Murathan, C.Ozgur), Internat. J. Math. Math. Sci. 29 (2002), 719-726; MR 2003c:53074.
  77. Ricci tensor of C-totally real submanifolds in Sasakian space forms (cu K.Matsumoto), Nihonkai Math. J. 13 (2002), 191-198; MR 2003i:53086.
  78. Warped product submanifolds in Sasakian space forms (cu K.Matsumoto), SUT J. Math. 38 (2002), 135-144; MR 2004b:53093.
  79. Ideal Kaehlerian slant submanifolds in complex space forms, Proc. 37-th Symp. Finsler Geometry, August 5-9, 2002, Tsukuba, Japan, 54-57.
  80. On a normal cosymplectic manifold (cu R.Rosca), in "Finsler and Lagrange Geometries", 113-118, Kluwer Acad. Publ., 2003; MR 2004k:53038.
  81. Ricci tensor of slant submanifolds in complex space forms (cu K.Matsumoto si Y.Tazawa), Kodai Math. J. 26 (2003), 85-94; MR 2003k:53067.
  82. Almost Kaehlerian structures determined by Riemannian structures (cu K.Matsumoto si R.Miron), Publicationes Math. Debrecen 62 (2003), 497-509; MR 2004k:53034.
  83. Ideal C-totally real submanifolds in Sasakian space forms, Annali Mat. Pura Appl. 182 (2003), 345-355; MR 2004f:53067.
  84. On Ricci curvature of a quaternion CR-submanifold in a quaternion space form (cu F.Al-Solamy si M.H.Shahid), Rad. Mat. 12 (2003), 91-98; MR 2004h:53089.
  85. Ricci curvature of submanifolds in locally conformal cosymplectic manifolds (cu K.Arslan, R.Ezentas, C.Murathan, C.Ozgur), Math. J. Toyama Univ. 26 (2003), 13-24; MR 2005a:53088.
  86. On 3-dimensional contact slant submanifolds in Sasakian space forms (cu Y.Tazawa), Bull. Austral. Math. Soc. 68 (2003), 275-283; MR 2004h:53088.
  87. Contact CR-warped product submanifolds in Sasakian manifolds (cu I.Hasegawa), Geom. Dedicata 102 (2003), 143-150; MR 2004j:53072.
  88. Contact CR-warped product submanifolds in Sasakian space forms, Geom. Dedicata 109 (2004), 165-173.
  89. On Kaehlerian slant submanifolds in complex space forms satisfying a geometrical equality, An. Univ. Buc., Mat. 53 (2004), 77-84; MR 2091301.
  90. Ideal Kaehlerian slant submanifolds in complex space forms, Rocky Mountain J. Math. 35 (2005), 941-952.
  91. Isometric immersions of contact Riemannian manifolds in real space forms (cu B.Y.Chen), Houston J. Math. 31 (2005), 743-764.
  92. Contact CR-warped product submanifolds in Kenmotsu space forms (cu K.Arslan, R.Ezentas, C.Murathan), J. Korean Math. Soc. 42 (2005), 1101-1110.
  93. On Riemannian manifolds endowed with a locally conformal cosymplectic structure (cu R.Rosca si V.Ghisoiu), Int. J. Math. Math. Sci. 2005 (2005), 3471-3478.
  94. Ricci curvature of a contact CR-submanifold in a generalized Sasakian space form (cu M.H.Shahid si F.Al-Solamy), Rev. Bull. Calcutta Math. Soc. 13 (2005), 89-94.
  95. Warped product submanifolds in Kenmotsu space forms (cu K.Arslan, R.Ezentas, C.Murathan), Taiwanese J. Math. 10 (2006), 1431--1441; MR2275137.



Actualizat: 13 iunie 2007



2002 - 2015 -- Facultatea de Matematica si Informatica, Universitatea din Bucuresti
Str. Academiei nr. 14, sector 1, C.P. 010014, Bucuresti, Romania
Tel: (4-021) 314 2863, Fax: (4-021) 315 6990, secretariat fmi.unibuc.ro