|
MAIN PUBLISHED WORKS
Reviewed in Zentralblatt für Mathematik or Mathematical
Reviews:
* “ On some geometric structures on the cotangent bundle of a
manifold” [71]
* “Sasaki metric on
the tangent bundle of a Weyl manifold”
(Jointly with I.
Gul)
[70]
* “F-geodesics on
the cotangent bundle of a Weyl manifold”
(Jointly with I.
Gul)
[69]
* “Einstein metrics
induced by natural Riemann extensions”
(Jointly with S. Eken, E.
Kilic)
[68]
* “Legendre Curves
on Generalized Paracontact Metric Manifolds”
(Jointly with S. Eken, E.
Kilic)
Bulletin of the Malaysian
Mathematical Sciences Society.
[67]
* “On a
generalization of geodesic and magnetic curves”
(Jointly with O. Kowalski)
Note di
Matematica
(2016).
[66]
* “Almost
paracontact structures on Kaluza-Klein spaces”
(Jointly with S-L. Druta-Romaniuc)
Journal of
Geometry
(2016).
[65]
* “A
characterization of the Riemann extension in terms of harmonicity”
(Jointly with S. Eken)
Czech
J. Math. (2017).
[64]
* “Parallel second
order tensors on Vaisman manifolds”
(Jointly with M. Crasmareanu)
International Journal of Geometric Methods in
Modern Physics,
Vol. 14 (2017)
1750023 (8 pages).
[63]
* “Conjugate
Connections with Respect to a Quadratic Endomorphism and Duality”
(Jointly with M. Crasmareanu)
Filomat,
vol. 30, no. 9 (2016), 2367 - 2374.
[62]
* “Conformality on
semi-riemannian manifolds”
(Jointly with S. Eken)
Mediterr.
J. Math., vol. 13 (2016), 2185-2198.
[61]
* “H-projectively
Euclidean Kahler tangent bundles of natural diagonal type”
(Jointly with S-L.
Druta-Romaniuc)
Publ.
Math. Debrecen, vol. 89, 4 (2016), 499-511.
[60]
* “Harmonic
functions and quadratic harmonic morphisms on Walker spaces”
(Jointly with S-L.
Druta-Romaniuc)
Turkish Journal of Mathematics, vol. 40 (2016),
1004-1019.
[59]
* “A harmonic
endomorphism in a semi-Riemannian context”
(Jointly with S. Eken)
Proceedings of the 17-th
International Conference on Geometry, Integrability
and Quantization, 2015, Varna, 172–181
[58]
* “Some properties
of the exponential map on Riemannian manifolds”
(Jointly with S-L.
Druta-Romaniuc)
Bul. IPI, Tom Tomul LXI
(LXV), Fasc. 2, (2015), 9-18.
[57]
* “On some
differential operators on natural Riemann extensions”
(Jointly with O. Kowalski)
Ann. Glob. Anal. Geom., vol. 48 (2015),
171-180
[56]
*
“F-geodesics on manifolds”
(Jointly with S-L.
Druta-Romaniuc)
Filomat,,vol. 29, no. 10 (2015),
2367-2369.
[55]
* “The projective curvature
of the tangent bundle with natural diagonal metric”
(Jointly with S-L.
Druta-Romaniuc)
Filomat, vol.
29, no. 3 (2015),
401-410.
[54]
* “Structures which
are harmonic with respect to Walker metrics”
(Jointly with S-L.
Druta-Romaniuc)
Mediterranean Journal of Mathematics, vol. 12 (2015),
481-496.
[53]
*
“Generalized projective transformations”
(Jointly with G. Ciobanasu)
Bul. IPI, Tom LX(LXV), 1
(2014), 67-76.
[52]
* “Walker manifolds
and Killing magnetic fields”
(Jointly with S-L. Druta-Romaniuc)
Differential Geometry and Application, vol. 35 (2014),
106-116.
[51]
* “Second order
parallel tensors and Ricci solitons in 3-dimensional
normal
paracontact geometry”
(Jointly with M.
Crasmareanu)
Ann. Glob. Anal. Geom, vol. 46 (2014),
117-127.
(Zentralblatt
für Mathematik Zbl
pre06336091)
[50]
* “Harmonic
almost complex structures with respect to the general natural metrics”
(Jointly with S-L. Druta-Romaniuc)
Mediterranean Journal of Mathematics, vol. 11, no.1, (2014), 123-136.
(Mathematical Reviews MR3160617)
(Zentralblatt
für Mathematik Zbl
pre06399182)
[49]
* “Weakly-symmetry
of the Sasakian lifts on the tangent bundles”
(Jointly
with M. Crasmareanu)
Publ. Math. Debrecen, vol.
82, no. 1-2 (2013), 63-69.
(Mathematical Reviews MR3081226)
(Zentralblatt für Mathematik Zbl pre06223931)
[48]
*
“Weyl structures on almost paracontact manifolds”
(Jointly
with N-C. Chiriac)
International
Journal of Geometric Methods in Modern Physics,
vol. 10, no. 1, (2013), 9 pp.
(Mathematical Reviews MR2998321)
(Zentralblatt für Mathematik Zbl 1268.53032)
[47]
* “Connections
which are harmonic with respect to general natural metrics”
(Jointly with S-L. Druta-Romaniuc)
Differential Geometry and its Applications, vol.
30, no. 4 (2012), 306-317.
(Mathematical Reviews MR2926271)
(Zentralblatt für Mathematik Zbl1252.53083)
[46]
* “A note on \eta –Einstein
manifolds”,
Harmonic maps and Differential
Geometry,
Contemp. Math., vol. 542, Amer. Math. Soc. (2011),
261-267.
(Mathematical Reviews MR2796658 2012b:53071)
(Zentralblatt für Mathematik Zbl
1229.53054)
[45]
* “Ricci solitons in manifolds with
quasi-constant curvature”
(Jointly with M. Crasmareanu)
Publ. Math. Debrecen
78, no.1, (2011), 235-243
(Mathematical Reviews MR2777674)
[44]
* “Kähler manifolds of quasi –
constant holomorphic sectional curvature”
(Jointly with M.
Benyounes)
Journal of Geometry, 88 (2008), 1-14
(Mathematical Reviews MR2398470
2009a:53124)
(Zentralblatt für MathematikZbl
1172.53047)
[43]
* “Generalized
Einstein manifolds”
(Jointly with T.Q. Binh)
Differential geometry and its
applications,
World Sci. Publ., Hackensack, NJ,
(2008), 57--64
(Mathematical
Reviews MR2462782
2010a:53066)
(Zentralblatt für Mathematik Zbl
1172.53029)
[42]
* “Characterizations of
quasi-Einstein manifolds”
Analele Ştiinţ. Univ. “Al. I. Cuza” Iasi,
tom LIII (2007), 67-72
(Mathematical Reviews MR2522383
2010c:53043)
(Zentralblatt für
Mathematik Zbl
1199.53078)
[41]
* “Tangent bundles of quasi-constant
holomorphic sectional curvatures”
(Jointly with V. Oproiu)
Balkan Journal of Geometry and Applications,
vol. 11, no.1, (2006), 11-22
(Mathematical Reviews MR2230656
2007f:53024)
(Zentralblatt für Mathematik Zbl
1109.53069)
[40]
* “Para-Kähler manifolds of
quasi – constant P-sectional curvature”
(Jointly with M. Ferrara)
Proc. Conf. Contemporary
Geometry and Related Topics 2005, Belgrade, (2006), 29-36
(Zentralblatt für Mathematik Zbl
1143.53327)
[39]
* “Types of manifolds of
quasi-constant curvature”
Sci.
Ann. Univ. Agric. Sci. Vet. Med. 49, no. 2,(2006),
155-158.
(Mathematical Reviews MR2379305
2009g:53062)
(Zentralblatt für Mathematik Zbl
1170.53306)
[38]
* “Global lightlike manifolds and
harmonicity”
(Jointly with K. L. Duggal)
Kodai
Math. J. 28, no.1, (2005), 131-145
(Mathematical Reviews MR2122196
2005k:53111)
(Zentralblatt für Mathematik Zbl
1084.53058)
[37]
* “Quasi-harmonic morphisms”
Italian
Journal of Pure and Applied Mathematics, nr. 18 (2005), 51
- 68
(Mathematical Reviews MR2202776
2006m:53098)
(Zentralblatt für Mathematik Zbl
1171.53327)
[36]
* “Yang – Mills analogue of
biharmonic maps”
(Jointly with H. Urakawa)
Topics in Almost Hermitian Geometry
and Related Fields, Ed. Yasuo Matsushita,
et. altri, World Sci. Publ. Hackensack, Japan,
(2005), 41 – 50
(Mathematical Reviews MR2181490
2006g:53023)
(Zentralblatt für Mathematik Zbl
1106.53030)
[35]
* “Harmonic Semi – Riemannian
Structures with potential”
Libertas Mathematica, 24 (2004), 115
- 118
(Mathematical Reviews MR2155208
2006b:53086)
(Zentralblatt für Mathematik Zbl
1087.53060)
[34]
* “f – pluriharmonic maps on
manifolds with f - structures”
(Jointly with M. Benyounes)
SUT
J. Math. (Science
University of Tokyo J. Math), vol. 39, no 2 (2003), 161 –
170
(Mathematical Reviews MR2037579
2005a:53104)
(Zentralblatt für Mathematik Zbl
1063.53029)
[33]
* “Harmonic φ - morphisms”
(Jointly with M. Benyounes)
Beiträge Zur Algebra und Geometrie (Contribution to Algebra and
Geometry),
vol. 44, no 2, (2003), 309 – 321
(Mathematical Reviews MR2017035
2005h:53112)
(Zentralblatt für Mathematik Zbl
1045.53044)
[32]
* “Isometric or harmonic mappings of
complete Riemannian manifolds”
(Jointly with T. Q. Binh, L.
Tamassy)
Publ. Math. Debrecen 60, no 3 – 4,
(2002), 455 – 461
(Mathematical Reviews MR1898573
2003c:53086)
(Zentralblatt für Mathematik Zbl
1012.53054)
[31]
* “Harmonicity, minimality,
conformality in terms of horizontal and vertical Lee forms”
(Jointly with M. Benyounes, T.
Q. Binh)
Publ. Math. Debrecen 59, no 3 – 4,
(2001), 389 – 406
(Mathematical Reviews MR1874440 2003
a: 53092)
(Zentralblatt für Mathematik Zbl
1012.53042)
[30]
* “Harmonic maps and morphisms from
the tangent bundle”
(Jointly with T. Q. Binh)
Acta Sci. Math (Szeged) 66, no 1 – 2,
(2000), 385 – 401
(Mathematical Reviews MR1768874 2001
f: 53137)
(Zentralblatt für Mathematik Zbl
0955. 53037)
[29]
* “Quasi – harmonic maps between
almost symplectic manifolds”
(Jointly with P. Baird)
Harmonic maps, harmonic morphisms and
related topics, Brest 1997, Chapman &
Hall/CRC Res. Notes Math 413 (2000), 75 –
95
(Mathematical Reviews MR1735688 2001
a: 53100)
(Zentralblatt für Mathematik Zbl
0949. 53045)
[28]
* “Isometric immersion of complete
Riemannian manifolds”
(Jointly with T. Q. Binh, L.
Tamassy)
Publ. Math. Debrecen, 55, no 1 –
2, (1999), 211 – 219
(Mathematical Reviews MR1708453 2000
f: 53087)
(Zentralblatt für Mathematik Zbl
0955. 53034)
[27]
* “Harmonic maps between almost para
– Hermitian manifolds”
(Jointly with M. Benyounes)
New developments in Diff. geom.
Budapest 1996,
Kluwer Acad. Publ. Dordrecht, (1999),
67 – 76
(Mathematical Reviews MR1670462 99 k:
53124)
(Zentralblatt für Mathematik Zbl
0941.53020)
[26]
* “Quasi – harmonicity for semi –
Riemannian manifolds”
(Jointly with M. Benyounes, E.
Loubeau)
Bul. Inst. Politech. Iasi, 45 (49),
no 1 – 2, (1999), 25 – 35
(Mathematical Reviews MR1834009 2002
c: 53107)
(Zentralblatt für Mathematik Zbl
1007.53049
[25]
* “An example of an almost
hyperbolic Hermitian manifold”
(Jointly with L. Ornea)
Internat. J. Math., Math. Sci.,
21, no 3, (1998), 613 – 618
(Mathematical Reviews MR1620323 98 m:
53039)
(Zentralblatt für Mathematik Zbl
0906.53016)
[24]
* “Harmonic maps between almost
hyperbolic Hemitian manifolds”
(Jointly with M. Benyounes)
Bul. Inst. Politech. Iasi, 43 (47),
no 3 – 4, (1997), 15 – 20
(Mathematical Reviews MR1704311
58E20)
(Zentralblatt für Mathematik Zbl
0998.58006)
[23]
* “2 – codimensional lightlike
submanifolds of almost para – Hermitian manifolds”
Diff. Geom. Appl. Brno 1995,
Masaryk Univ. Brno (1996), 7 – 17
(Mathematical Reviews MR1406318 97i:
53059)
(Zentralblatt für Mathematik Zbl
0862. 53046)
[22]
* “Some examples of manifolds with
hyperbolic structures”
Rendiconti di Matematica Roma, (7)
14, no 4, (1994), 557 – 565
(Mathematical Reviews MR1312817
95 k: 53042)
(Zentralblatt für Mathematik Zbl
0818.53041)
[21]
* “The existence problem of
hyperbolic structures on vector bundles”
Publ. Inst. Beograd NS, 53 (67) (1993), 133 – 138
(Mathematical Reviews, MR1319766 96 a:
53043)
(Zentralblatt für
Mathematik Zbl
0796. 53029)
[20]
* “The Bochner curvature tensor on a
hyperbolic Kähler manifold”
Diff. geom. appl. Eger 1989,
Colloq. Math. Soc. Janos Bolyai 56, North
Holland
Amsterdam (1992), 93 – 99
(Mathematical Reviews MR1211650 94 b:
53061)
(Zentralblatt für Mathematik Zbl
0788. 53064)
[19]
* “Higher order F – sectional
curvatures on hyperbolic Kählerian manifold”
(Jointly with K. Buchner)
Diff. geom., topology and appl.
in phys. techniques, Polytechnic
Inst. Bucharest,
Sci. Bul. Electr. Eng., 53, no 3 – 4, (1991), 33 – 37
(Mathematical Reviews MR1289436 95d:
53037)
(Zentralblatt für Mathematik Zbl
0807. 53030)
[18]
* “F – characteristic classes”
Tensor N. S. 49, no 3, (1990), 230 –
237
(Mathematical Reviews MR1136022 92 k:
53053)
(Zentralblatt für Mathematik Zbl
738.53012)
[17]
* “CR – submanifolds of hyperbolic
almost Hermitian manifolds”
Demonstratio Matematica 23 (1990) no
2, 335 - 343
(Mathematical Reviews 92 b: 53036)
(Zentralblatt für Mathematik Zbl
754. 53023)
[16]
* “A classification of the almost
para – Hermitian manifolds”
Diff. geom. appl. Dubrovnik 1988,
Univ. Novi Sad (1989) 23 – 27
(Mathematical Reviews MR1040052 91 b:
53035)
(Zentralblatt für Mathematik Zbl
0683. 53034)
[15]
* “Almost parahermitian structures
on the tangent bundle of on almost paraco-
hermitian manifold”
Proc. 5-th Seminar on Finsler
and Lagrange Spaces, Braşov 1988, Societatea de
Ştiinţe Matematice Romania, Bucharest (1988), 105
– 109
(Mathematical Reviews MR1022207 90j:
53057)
(Zentralblatt für Mathematik Zbl
0677. 53046)
[14]
* “Almost semi – invariant
submanifolds of locally product Riemannian manifolds”
Bull. Math. Soc. Sci. Math. Roumanie (N. S.),
32 (80), no 1, (1988), 3 – 9
(Mathematical Reviews MR0984415 90h:
53061)
(Zentralblatt für
Mathematik Zbl
0642.53038)
[13]
* “On harmonic maps between semi –
Riemannian manifolds”
The XVIII-th Conf. on Geom. Topology, Oradea 1987, Univ. “Babeş
Bolyai”
Cluj – Napoca, no 2, (1988), 31 - 34
(Mathematical Reviews MR1008972 90j:
53033)
(Zentralblatt für Mathematik Zbl
0666. 53034)
[12]
* “Subvarietăţi generice
în varietăţi aproape anti - quanternionice”
Bul. Inst. Politech. Iasi, (Lucr.
Sesiunii Şt. Jubiliare), vol. V, (1988), 50 – 53
(Zentralblatt für Mathematik Zbl
0642.53038)
[11]
* “On QR – submanifolds of a
quaternionic Kählerian manifold”
Tensor N. S. 46 (1987), 411 - 417
(Zentralblatt für Mathematik Zbl
0683. 53048)
[10]
* “Almost semi – invariant
submanifolds in cosymplectic manifolds of constant
F-sectional curvature”
Analele Ştiinţ. Univ. ”Al. I. Cuza” Iasi,
32, no 1, (1986), 63 - 72
(Mathematical Reviews MR0893028 89d:
53073)
(Zentralblatt für Mathematik Zbl
0613. 53017)
[9]
* “On regular F – general
connections”
Proc. 4-th Seminar on Finsler
and Lagrange Spaces, Braşov 1986, Societatea
de Ştiinţe Matematice Romania, Bucharest (1986),
91 - 97
(Mathematical Reviews MR0936868 89e:
53042)
(Zentralblatt für Mathematik Zbl
0636. 53040)
[8]
* ”Almost semi –
invariant submanifolds of a cosymplectic manifold”
Analele Ştiinţ. Univ. “Al.
I. Cuza” Iasi, 31, no. 2, (1985), 149 –
156
(Mathematical
Reviews MR0858054
87k: 53039)
(Zentralblatt für
Mathematik Zbl
0606. 53031)
[7]
* “Embeddings of the tangent bundle
in Riemannian manifolds”
(Jointly with V. Oproiu)
Analele Ştiinţ. Univ. “Al. I. Cuza” Iasi,
31, no 3, (1985), 247- 254
(Mathematical Reviews MR0858068 87k:
53039)
(Zentralblatt für Mathematik Zbl
0605.53008)
[6]
* “On the Chern forms of a
Bochner flat Kählerian manifold”
Rendiconti di Matematica Roma VII, 4, no 4, (1984), 593 -
599
(Mathematical Reviews MR0905861 88 g:
53068)
(Zentralblatt für
Mathematik Zbl
0629.53060)
[5]
* “Some structures induced on the
tangent bundle of on almost contact manifold”
Analele Ştiinţ. Univ. “Al. I. Cuza” Iasi,
30, no.3, (1984), 69 – 78
(Mathematical Reviews MR0800142 87b:
53059)
(Zentralblatt für Mathematik Zbl
0572. 53032)
[4]
* “On almost semi-invariant
submanifolds of a cosymplectic manifold”
Geom. Topology, proc. 15-th Conf. Timisoara,
Bucharest (1984),
11 – 16
(Zentralblatt für Mathematik Zbl
0633. 53057)
[3]
* “On Fréchet bundle with Finsler
structures”
Proc. Romanian – Japanese Colloq. On Finsler Geometry,
University
Braşov, (1984), 37 - 40
(Mathematical Reviews MR0834803
87h: 53014)
(Zentralblatt für Mathematik Zbl
0598. 58007)
[2]
* “Finsler structures on Fréchet
bundles”
Proc. 3-rd Seminar on Finsler
spaces, Univ. Braşov 1984, Societatea
de
Ştiinţe Matematice Romania,
Bucharest (1984), 49 - 54
(Mathematical Reviews MR0823295 87f:
58013)
(Zentralblatt für Mathematik Zbl
0563.53051)
[1]
OTHER PUBLICATIONS:
* ,,Special types of metrics”
(Jointly with N. Negoescu and S-L.
Druta-Romaniuc)
Editura Stef, Iasi, (2014).
(Zentralblatt für Mathematik Zbl
pre06420638)
* “Jacobi vector fields on
/eta-Einstein manifolds”
(Jointly with T. Q. Binh)
Bul. Inst. Politech. Iasi,
Tom. LIII (LVII), f. 5 (2007), 13-17.
* “A generalization of minimal
distributions”
(Jointly with M. Ferrara)
Atti Dell’ACADEMIA Peloritania
dei Pericolanti, vol. 85, no.1 (2007), 1-6.
* “O structură de
spaţiu cu închidere”
Lucr. Conf. Analiză
Mat. P. Neamţ (1983)
* “On some structures induced
on the tangent bundle of an almost contact manifold”
Conf. Naţ. Geom.
Top. P. Neamţ (1983)
* ,,An example of an almost
hyperbolic Hermitian manifold”
(Jointly with L. Ornea)
Proc. Conf. Geom. Topology Timişoara
(1994), 37 – 44
(Zentralblatt für Mathematik Zbl
0858. 53026)
* ,,Spaţii complexe”
(Jointly with N. Negoescu)
Editura ,,Gh. Asachi” Iasi, 2000
* ,,Capitole de matematici speciale”
(Jointly with N. Negoescu, F. Ursachi)
Editura ,,Gh. Asachi” Iasi, 2002
* ,,Capitole speciale de
matematică”
Technical University,,Gh. Asachi”
Iasi, Rotaprint, 1997
|