## Vol 42 (1978)

#### Articles

 The number of representations of a group induced from the irreducible representations of a normal subgroup. G. Karpilowsky 5-8
 $s$-rings and modular representations. J. Brzezinski 9-18
 The Hilbert series of some graded algebras and the Poincaré series of some local rings. Yuji Kobayashi 19-33
 A note on free direct summands. István Beck, Peter J. Trosborg 34-38
 A note on exponential sums. L. Carlitz 39-48
 Some combinatorial identities. Per Asisoff 49-52
 A note on tangent bundles in a category with a ring object. G. E. Reyes, G. C. Wraith 53-63
 The Iversen theorem in a polydisc. C. L. Childress, G. L. Csordas 64-70
 Image d'un homomorphisme et flot des poids d'une relation d'Équivalence mesurée. Jean-luc Sauvageot 71-100
 A maximal Abelian subalgebra of the Calkin algebra with the extension property. Joel Anderson 101-110
 Some $C^*$-dynamical systems with a single KMS state. Dorte Olesen, Gert Kjaergard Pedersen 111-118
 A non-seperable measureable choice principle related to induced representations. Esben T. Kehlet 119-134
 Spectra of operator equations and automorphism groups of von Neumann algebras. Herbert Halpern 135-149
 The discrete skeleton method and a total variation limit theorem for continous-time Markov processes. E. Nummelin 150-160
 Small values of zeta-functions of quadratic fields. John B. Friedlander 161-168
 The solution of a minimax problem connected to the irreducibility of polynominals. Bernt Oksendal 169-179
 The Diophantine equation $y^2=Dx^4+1$, III. J. H. E. Cohn 180-188
 A fixed point formula for varieties over finite fields. William Fulton 189-196
 Picard schemes of quotients by finite commutative group schemes. Sven Toft Jensen 197-210
 Algebraic tubular neighbourhoods I. David A. Cox 211-228
 Algebraic tubular neighbourhoods II. David A. Cox 229-242
 On a theorem of Frobenius. Käte Fenchel 243-250
 Unendliche Produkte unkorrelierter Funktionen auf kompakten, Abelschen Gruppen. Gunter Ritter 251-270
 Amenability and locally compact semigroups. Alan L. T. Paterson 271-288
 A function parameter in connection with interpolation of Banach spaces. Jan Gustavsson 289-305
 JB algebras with an exceptional ideal. H. Behncke, W. Bös 306-312
 The Euler derivative. An intrinsic approach to the calculus of variations. Jaak Peetre 313-333
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