Riv.Mat.Univ.Parma (4) 17 (1991)

Contents

A. GARCIA-NOGALES
κ-analyticity of spaces of compact and nuclear operators	1-5
Abstract   |    |   Full Text (PDF)

ALBERTO CAVICCHIOLI
Möbius transformations and surface groups	7-20
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XIN LIN
Rings in which all proper ideals are isomorphic	21-27
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E. ABBENA and S. GARBIERO
Einstein metrics on some special manifolds	29-39
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K. BUCHNER, V. V. GOLDBERG and R. ROSCA
Biconformal cosymplectic manifolds	41-58
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T. CARDINALI and F. PAPALINI
Sull'esistenza di punti fissi per multifunzioni a grafo debolmente chiuso	59-67
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GIOVANNI CIMATTI
Note on the theory of temperature dependent resistors	69-82
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MOHAMED BEN AMMAR
Decomposition d'Iwasawa du groupe spinoriel	83-86
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M. FRIGON and A. GRANAS
Problèmes aux limites pour des inclusions différentielles de type semi-continues inférieurement	87-97
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M. V. MILEV and D. D. BAINOV
Exponential stability of linear impulsive differential equations	99-109
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ALEXANDER G. REZNIKOV
The space of spheres and conformal geometry	111-130
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FERNANDO ETAYO GORDEJUELA
The geometry of good squares of vector bundles	131-147
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RENATA GRIMALDI
Noeuds et links fibrés et géométrie asymptotique de feuilles	149-158
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M. CIARLETTA and E. SCARPETTA
On existence and uniqueness for viscoelastic compressible fluids	159-169
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K. BALACHANDRAN and A. ANGURAJ
Existence, continuous dependence and periodic solutions of nonlinear integrodifferential equation with infinite delay	171-180
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MONICA BIANCHI
Regolarità hölderiana della soluzione del problema dell'ostacolo relativo a particolari operatori ipoellittici	181-190
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PASQUALE GIOVINE
Nota sulle equazioni costitutive per l'elio superfluido	191-198
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BHASKAR SCRIVASTAVA
A continued fraction and some identities associated with Ramanujan	199-206
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YASH PAUL
Ideals in antiflexible rings	207-210
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MICHAEL G. VOSKOGLOU
Prime and semiprime ideals of skew Laurent polynomaial rings	211-215
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ROBERTO CONTI
Strictly stable linear ordinary differential equations and similarity	217-220
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UGO GIANNAZZA
Potential estimate for the obstacle problem relative to the sum of squares of vector fields	221-239
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M. ASHRAF and M. A. QUADRI
Some commutativity theorems for torsion free rings	241-245
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VITTORIO MANGIONE
Strutture DM su una varietà	247-255
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J. J. SACCOMAN
Evolution of the geometric Hahn-Banach theorem	257-264
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SALVATORE ANTONUCCI
Costruendo grafi regolari	265-270
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D. D. BAINOV, S. I. KOSTADINOV and P. P. ZABREIKO
Stability of the exponential dichotomy of linear impulsive differential equations	271-277
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P. TAMIA DIMOPOULOU
On direction dependent f-structures satisfying fs + ft =0	279-293
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M. FALCITELLI and A. FARINOLA
Locally conformal Kähler manifolds with pointwise constant antiholomorphic sectional curvature	295-314
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JERZY J. KONDERAK
An example of an almost hermitian flat manifold which is not hermitian	315-318
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R. NIVAS and S. AHMAD
On quaternion submanifolds of codimension	319-323
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P. R. FUCHS
A decoding method for planar near-ring codes	325-331
Abstract   |    |   Full Text (PDF)