Riv.Mat.Univ.Parma (5) 1 (1992)

Contents

G. M. DEHERI
On (λ, σμ)-bases 1-10
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SALVATORE ANTONUCCI
Regular graphs without clique 11-18
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D. CHINEA and J. C. MARRERO
Conformal changes of almost contact metric structures 19-31
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HAROLD EXTON
On the triconfluent Heun equation [0, 0, 15] 33-37
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M. ASHRAF, M. A. QUADRI and V. W. JACOB
On commutativity of right s-unital rings. 39-43
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MARIO PEDRAZZOLI
Coherence of causal translation-invariant operators in distribution spaces 45-50
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ELZBIETA KOWALSKA
A note on link digraphs 51-56
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C. COTTI FERRERO and G. FERRERO
On certain extensions of quasirings 57-63
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CORRADO TANASI
Planar graphs in S3 and Whitehead motions 65-75
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F. FRANCHI and B. STRAUGHAN
Natural stabilization for fluids of third grade and of dipolar type 77-90
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MICOL PENNACCHIO
Simulazione numerica di campi elettrici in elettrocardiologia 91-103
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E. THANDAPANI
Asymptotic and oscillatory behaviour of solutions of a second order nonlinear neutral delay difference equation 105-113
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ROBERTA NIBBI
Un problema di esistenza e unicitÓ per un fluido viscoso con funzione di memoria non sommabile 115-129
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S. CONSOLE and A. SANINI
Submanifolds with conformal second fundamental form and isotropic immersions 131-146
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S. M. KHURSHEED HAIDER, V. A. KHAN and S. I. HUSAIN
Reduction in codimension of proper mixed foliated semi-invariant submanifold of a Sasakian space form M (-3) 147-153
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G. GANCHEV and S. IVANOV
Characteristic curvatures on complex Riemannian manifolds 155-162
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R. MAZZOCO and G. ROMANI
Multihelicoids in standard spaces of constant curvature 163-174
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C. DENSON HILL and M. NACINOVICH
A necessary condition for global Stein immersion of compact CR-manifolds 175-182
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R. NIVAS and S. AHMAD
On integrability conditions of an almost r-contact manifold 183-187
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ANGELO MORRO
On thermodynamics and stability problems in linear viscoelasticity 189-195
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RITA CASOLA
On explicit upper bounds for second derivatives by means of the data in the biharmonic problem 197-227
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A. DUMA and S. RIZZO
Some problems of geometric probability for families of hyperspheres in Euclidean space Rm 229-238
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F. DEFEVER, R. ROSCA and L. VERSTRAELEN
On null Killing vector fields 239-253
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A. V. BOBYLEV and G. SPIGA
On the relaxation processes in a mixture of Maxwell gases 255-264
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A. K. MAHATO and N. K. AGRAWAL
The n-dimensional distributional Gauss-hypergeometric transformation 265-271
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L. MARIA ABATANGELO
A study of submanifolds in Finsler spaces by principal bundle techniques 273-285
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JOHN J. SACCOMAN
Extension theorems and the problem of measure 287-293
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LUCA Q. ZAMBONI
On the invariance of conjugation in cyclic homology 295-304
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S. D. BAJPAI
An orthogonal type property for the Bessel polynomials 305-309
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WEIMIN XUE
Modules with projective socles 311-315
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ROBERTO LA SCALA
Gr÷bner bases and straightening rules for Young bitableaux 317-331
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C. BELINGERI and P. E. RICCI
An extension of a property of the Fourier transform 333-338
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METIN BASARIR
On some new sequence spaces 339-347
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Finito di stampare il 30 Giugno 1993