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Youssef, Nabil Labib

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Author ID: youssef.nabil-labib Recent zbMATH articles by "Youssef, Nabil Labib"
Published as: Youssef, Nabil L.; Youssef, Nabil Labib; Youssef, N. L.
Documents Indexed: 49 Publications since 1980
Reviewing Activity: 233 Reviews

Publications by Year

Citations contained in zbMATH Open

31 Publications have been cited 123 times in 62 Documents Cited by Year
Linear connections and curvature tensors in the geometry of parallelizable manifolds. Zbl 1147.53021
Youssef, Nabil L.; Sid-Ahmed, Amr M.
22
2007
Teleparallel Lagrange geometry and a unified field theory. Zbl 1186.83134
Wanas, M. I.; Youssef, Nabil L.; Sid-Ahmed, A. M.
14
2010
A global approach to the theory of special Finsler manifolds. Zbl 1170.53057
Youssef, Nabil Labib; Abed, Sayed Hassan; Soleiman, Amr
9
2008
Geometric objects associated with the fundamental connections in Finsler geometry. Zbl 1228.53028
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
8
2010
Fuzzy Cartesian product, fuzzy relations and fuzzy functions. Zbl 0731.04005
Dib, K. A.; Youssef, Nabil L.
7
1991
A global approach to absolute parallelism geometry. Zbl 1287.53019
Youssef, Nabil L.; Elsayed, Waleed A.
6
2013
Cartan and Berwald connections in the pullback formalism. Zbl 1180.53075
Youssef, N. L.; Abed, S. H.; Soleiman, A.
6
2008
Extended absolute parallelism geometry. Zbl 1156.53015
Youssef, Nabil L.; Sid-Ahmed, A. M.
6
2008
A global approach to the theory of connections in Finsler geometry. Zbl 1229.53076
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
5
2009
New Finsler package. Zbl 1360.53006
Youssef, Nabil L.; Elgendi, S. G.
4
2014
On concircularly recurrent Finsler manifolds. Zbl 1284.53027
Youssef, Nabil L.; Soleiman, Amr
3
2013
Concurrent \(\pi \)-vector fields and energy \(\beta \)-change. Zbl 1184.53077
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
3
2009
Generalized \(\beta \)-conformal change of Finsler metrics. Zbl 1202.53031
Youssef, Nabil L.; Abed, S. H.; Elgendi, S. G.
3
2010
Sur les tenseurs de courbure de la connexion de Berwald et ses distributions de nullite. Zbl 0497.53041
Youssef, Nabil Labib
3
1982
Generalized \(\beta\)-conformal change and special Finsler spaces. Zbl 1263.53020
Youssef, Nabil L.; Abed, S. H.; Elgendi, S. G.
3
2012
Einstein geometrization philosophy and differential identities in PAP-geometry. Zbl 1357.83013
Wanas, M. I.; Youssef, Nabil L.; El Hanafy, W.; Osman, S. N.
2
2016
A global theory of conformal Finsler geometry. Zbl 1193.53166
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
2
2008
Distribution de nullite du tenseur de courbure d’une connexion. Zbl 0433.53012
Youssef, Nabil Labib
2
1980
A new approach to fuzzy groupoids. Zbl 0786.20053
Youssef, Nabil L.; Dib, K. A.
2
1992
Semi-projective changes. Zbl 0822.53038
Youssef, Nabil L.
2
1994
Computing nullity and kernel vectors using NF-package: counterexamples. Zbl 1348.53003
Youssef, Nabil L.; Elgendi, S. G.
1
2014
Some types of recurrence in Finsley geometry. Zbl 1380.53031
Soleiman, Amr; Youssef, Nabil L.
1
2017
A pure geometric theory of gravity and a material distribution. Zbl 1380.83232
Wanas, M. I.; Youssef, Nabil L.; El Hanafy, W.
1
2017
Vertical semi-symmetric metric connections. Zbl 0738.53007
Youssef, Nabil Labib
1
1990
Intrinsic theory of projective changes in Finsler geometry. Zbl 1231.53063
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
1
2011
Teleparallel Lagrange geometry and a unified field theory: linearization of the field equations. Zbl 1264.53032
Wanas, M. I.; Youssef, Nabil L.; Sid-Ahmed, A. M.
1
2013
Conformal change of special Finsler spaces. Zbl 1235.53079
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
1
2010
On generalised Randers manifolds. Zbl 1006.53065
Tamim, Aly A.; Youssef, Nabil L.
1
1999
Connexions métriques semi-symétriques semi-basiques. Zbl 0538.53065
Youssef, Nabil Labib
1
1983
On horizontal recurrent Finsler connections. Zbl 1419.53029
Youssef, Nabil L.; Soleiman, A.
1
2019
Nullity distributions associated with Chern connection. Zbl 1389.53104
Youssef, Nabil L.; Elgendi, Salah G.
1
2016
On horizontal recurrent Finsler connections. Zbl 1419.53029
Youssef, Nabil L.; Soleiman, A.
1
2019
Some types of recurrence in Finsley geometry. Zbl 1380.53031
Soleiman, Amr; Youssef, Nabil L.
1
2017
A pure geometric theory of gravity and a material distribution. Zbl 1380.83232
Wanas, M. I.; Youssef, Nabil L.; El Hanafy, W.
1
2017
Einstein geometrization philosophy and differential identities in PAP-geometry. Zbl 1357.83013
Wanas, M. I.; Youssef, Nabil L.; El Hanafy, W.; Osman, S. N.
2
2016
Nullity distributions associated with Chern connection. Zbl 1389.53104
Youssef, Nabil L.; Elgendi, Salah G.
1
2016
New Finsler package. Zbl 1360.53006
Youssef, Nabil L.; Elgendi, S. G.
4
2014
Computing nullity and kernel vectors using NF-package: counterexamples. Zbl 1348.53003
Youssef, Nabil L.; Elgendi, S. G.
1
2014
A global approach to absolute parallelism geometry. Zbl 1287.53019
Youssef, Nabil L.; Elsayed, Waleed A.
6
2013
On concircularly recurrent Finsler manifolds. Zbl 1284.53027
Youssef, Nabil L.; Soleiman, Amr
3
2013
Teleparallel Lagrange geometry and a unified field theory: linearization of the field equations. Zbl 1264.53032
Wanas, M. I.; Youssef, Nabil L.; Sid-Ahmed, A. M.
1
2013
Generalized \(\beta\)-conformal change and special Finsler spaces. Zbl 1263.53020
Youssef, Nabil L.; Abed, S. H.; Elgendi, S. G.
3
2012
Intrinsic theory of projective changes in Finsler geometry. Zbl 1231.53063
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
1
2011
Teleparallel Lagrange geometry and a unified field theory. Zbl 1186.83134
Wanas, M. I.; Youssef, Nabil L.; Sid-Ahmed, A. M.
14
2010
Geometric objects associated with the fundamental connections in Finsler geometry. Zbl 1228.53028
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
8
2010
Generalized \(\beta \)-conformal change of Finsler metrics. Zbl 1202.53031
Youssef, Nabil L.; Abed, S. H.; Elgendi, S. G.
3
2010
Conformal change of special Finsler spaces. Zbl 1235.53079
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
1
2010
A global approach to the theory of connections in Finsler geometry. Zbl 1229.53076
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
5
2009
Concurrent \(\pi \)-vector fields and energy \(\beta \)-change. Zbl 1184.53077
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
3
2009
A global approach to the theory of special Finsler manifolds. Zbl 1170.53057
Youssef, Nabil Labib; Abed, Sayed Hassan; Soleiman, Amr
9
2008
Cartan and Berwald connections in the pullback formalism. Zbl 1180.53075
Youssef, N. L.; Abed, S. H.; Soleiman, A.
6
2008
Extended absolute parallelism geometry. Zbl 1156.53015
Youssef, Nabil L.; Sid-Ahmed, A. M.
6
2008
A global theory of conformal Finsler geometry. Zbl 1193.53166
Youssef, Nabil L.; Abed, S. H.; Soleiman, A.
2
2008
Linear connections and curvature tensors in the geometry of parallelizable manifolds. Zbl 1147.53021
Youssef, Nabil L.; Sid-Ahmed, Amr M.
22
2007
On generalised Randers manifolds. Zbl 1006.53065
Tamim, Aly A.; Youssef, Nabil L.
1
1999
Semi-projective changes. Zbl 0822.53038
Youssef, Nabil L.
2
1994
A new approach to fuzzy groupoids. Zbl 0786.20053
Youssef, Nabil L.; Dib, K. A.
2
1992
Fuzzy Cartesian product, fuzzy relations and fuzzy functions. Zbl 0731.04005
Dib, K. A.; Youssef, Nabil L.
7
1991
Vertical semi-symmetric metric connections. Zbl 0738.53007
Youssef, Nabil Labib
1
1990
Connexions métriques semi-symétriques semi-basiques. Zbl 0538.53065
Youssef, Nabil Labib
1
1983
Sur les tenseurs de courbure de la connexion de Berwald et ses distributions de nullite. Zbl 0497.53041
Youssef, Nabil Labib
3
1982
Distribution de nullite du tenseur de courbure d’une connexion. Zbl 0433.53012
Youssef, Nabil Labib
2
1980

Citations by Year