Content of CMUC 21 (1980), No.1

Duda J.

Congruences generated by filters. Comment.Math.Univ.Carolinae 21(1980) 1--9.

Žák S.

A Turing machine oracle hierarchy, I. Comment.Math.Univ.Carolinae 21(1980) 11--26.

Žák S.

A Turing machine oracle hierarchy, II. Comment.Math.Univ.Carolinae 21(1980) 27--39.

Trnková V.

Homeomorphisms of powers of metric spaces. Comment.Math.Univ.Carolinae 21(1980) 41--53.

Procházka L.

Tensor product and quasi-splitting of Abelian groups. Comment.Math.Univ.Carolinae 21(1980) 55--69.

Ko H.-M., Tan K.-K.

Attractors and a fixed point theorem in locally convex space. Comment.Math.Univ.Carolinae 21(1980) 71--79.

Blum I., Swaminathan S.

Ideal equivalences for almost realcompact spaces. Comment.Math.Univ.Carolinae 21(1980) 81--95.

Sochor A., Vopěnka P.

Revealments. Comment.Math.Univ.Carolinae 21(1980) 97--118.

Riedrich T.

On vector-topological properties of zero-neighbourhoods of topological vector spaces. Comment.Math.Univ.Carolinae 21(1980) 119--129.

Banaś J.

On measures of noncompactness in Banach spaces. Comment.Math.Univ.Carolinae 21(1980) 131--143.

Nečas J., John O., Stará J.

Counterexample to the regularity of weak solution of elliptic systems. Comment.Math.Univ.Carolinae 21(1980) 145--154.

Drábek P.

Remarks on multiple periodic solutions of nonlinear ordinary differential equations. Comment.Math.Univ.Carolinae 21(1980) 155--160.

Koubek V., Rajlich J.

Regular societies without short cycles. Comment.Math.Univ.Carolinae 21(1980) 161--169.

Katětov M.

Extensions of the Shannon entropy to semimetrized measure spaces. Comment.Math.Univ.Carolinae 21(1980) 171--192.

Kotzé W.

Approximately normal function algebras which are local. Comment.Math.Univ.Carolinae 21(1980) 193--199.