BULLETIN OF THE TRANSILVANIA UNIVERSITY OF BRASOV, VOL.1(50)-2008

SERIES III -   MATHEMATICS •  INFORMATICS •  PHYSICS, ISSN 2065-2151 (Print), ISSN 2065-216X (CD-ROM)

·Mathematics 

Verstraelen, L.: Laudatio for Professor Bang-Yen Chen at RIGA 2008............................................................... 1
Aldea, N.: On complex Kropina spaces........................................................................................................... 5
Antić, M. Bolton, J. Vrancken, L.: Minimal surfaces with reflectionally symetric sequences................................. 15
Bercu, G., Postolache, M.: Hessian structures via invariant calculus................................................................. 25

Chen, B.-Y.: On purely real surfaces in Kaehler surfaces and Lorenz surfaces in Lorenzian

          Kaehler surfaces..................................................................................................................................

33
Chen, B.-Y., Wei, S. W.: Submanifolds of wraped product manifolds I ×f Sm-1(k) from a p-harmonic viewpoint..... 59
Cîrnu, M.: Topological properties of semi-slant submanifolds in Sasaki manifolds.............................................. 79
Costache, S.: B.-Y. Chen inequalities for slant submanifolds in Kenmotsu space forms...................................... 87
Decu, S.: Extrinsic and intrinsic principal directions of ideal submanifoids......................................................... 93

Deszcz, R., Petrović -Torgašev, M., Verstraelen, L., Zafindratafa, G.: On the intrinsic symmetries of Chen

          ideal submanifolds..............................................................................................................................

99

Dillen, F., Goemans, W., Van de Woestyne, I.: Translation surfaces of Weingarten type in

         3-space..............................................................................................................................................

109
Dumitru, D.: Some aspects concerning compact Einstein warped products........................................................ 123
Garay, O. J.: Chen-Willmore submanifolds shaped on closed generalized elasticae........................................... 129

Gherib, F., Gorine, M., Belkhelfa, M.: Parallel and semi symmetry of some tensors in generalized Sasakian

          space  forms.......................................................................................................................................

139
Ghişoiu, V.: Casorati curvatures of ideal submanifolds.................................................................................... 149
Gielis, J.: Prof. Bang-Yen Chen: First Simon Stevin prize for geometry.............................................................. 161
Goemans, W., Van de Woestyne, I.: Visualizing surfaces in Euclidean 3-space with Visumath............................. 165
Hinić-Galić, A.: Symmetries on Chen ideal submanifolds................................................................................. 181
Ida, C.: On Chern forms of complex Finsler bundles........................................................................................ 191
Kim, Y.H.: Submanifolds with pointwise 1-type Gauss map............................................................................. 201
Kowalczyk, D., Casorati curvatures............................................................................................................... 209
Lupu, A., Almost symplectic conjugations...................................................................................................... 215
Matsumoto, K.: Şentürk, Z., Certain submanifolds in a locally conformal Kaehler manifold.................................. 223
Mihai, A.: Chen-like inequalities for purely real submanifolds.......................................................................... 233
Mihai, I.: A Chen invariant on contact manifolds............................................................................................. 241
Miron, R.: Mechanical systems of Ingarden type............................................................................................. 247
Munteanu, G. A.: On the geometry of indicatrix of a complex Finsler space........................................................ 253
Oană, A.: Submanifolds in the osculator bundle for the homogeneous prolongation........................................... 263
Olteanu, A.: CR-doubly warped product submanifolds on Sasakian space forms................................................ 269
Păun, M.: Vrânceanu identies........................................................................................................................ 279
Pitea, A.: Riemannian metrics obtained from the boundary single-time ODE..................................................... 289
Purcaru, M.: On metrical N-linear connections on the k-Osculator bundle.......................................................... 297

Romero, A.: Maximal graphs and Calabi-Bernstein’s type problems in some Robertson-Walker

          spacetimes.........................................................................................................................................

309
Rotar V.: The second order Hamiltonian space of Electrodynamics.................................................................... 317
Rouxel, B.: Mean curvature spheres and Laplace sequences............................................................................ 323
Šebeković, B.: Symmetries of Wintgen ideal submanifolds.............................................................................. 333
Sentürk, Z.: On Deszcz Symmetries............................................................................................................... 343
Shaikh, A. A., Binh, T. Q.: On some class of Riemann manifolds........................................................................ 351
Stavre, P., Lupu, A.: Duality between pseudoriemannian conjugations............................................................. 363
Ştefănescu, S¸.: On the convex hull of m points uniformaly distributed in a triangle........................................... 375
Stupariu, M. S.: Representations of quivers and associated gaugetheoretical problems..................................... 387
Tamássy, L.: Angle, area and isometries in Finsler spaces............................................................................... 395
Van der Veken, J.: Parallel surfaces in Lorentzian real space forms.................................................................. 405
Wei, S. W.: p-Harmonic geometry and related topics...................................................................................... 415
Orman, S. W., Marinescu, C., Ciurea, E.: Professor Mircea Lupu at his 65-th birthday......................................... 455
Cismaşiu, C., Păltănea, R., Asymptotic formula for exponential operators......................................................... 459
Florea, O. Study on a mathematical model regarding the automatic regulation of a dynamic system................... 465
Pascu, M.N., N. R. Pascu, N. R.: Brownian motion on the circle and applications.................................................. 469
Popescu, O.: Fix point theorems in metric spaces........................................................................................... 479
Sasu, A.: A strategy for computing the parameters of k-NN.............................................................................. 483

Tatomir, E.: The convective cover of the stellar model having the chemical composition X = 0.746 and

         Z = 0.013.............................................................................................................................................

487
Tudor, H.: On the univalence of an integral..................................................................................................... 493