Geodesic

Sommaire du Fascicule no. 1

On the degree of convergence of Borel and Euler means for double Fourier series of functions of bounded variation in Hardy sense
p. 1-12
On $(j,k)$-symmetrical functions
p. 13-28
Laguerresche Differentialgeometrie und Kinematik
p. 29-40
On radially extremal digraphs
p. 41-55
Existence of oscillatory and nonoscillatory solutions for a class of neutral functional differential equations
p. 57-69
$\Sigma$-isomorphic algebraic structures
p. 71-81
Geometrischer Beweis der diskreten Ungleichung von W. Wirtinger
p. 83-89
Weak averaging of stochastic evolution equations
p. 91-111

Sommaire du Fascicule no. 2

On an extremal problem
p. 113-124
Exact $2$-step domination in graphs
p. 125-134
Cut-vertices and domination in graphs
p. 135-143
Geometry of second-order connections and ordinary differential equations
p. 145-167
The least eigenvalues of nonhomogeneous degenerated quasilinear eigenvalue problems
p. 169-195
Two inequalities for series and sums
p. 197-201
Note on the relation between radius and diameter of a graph
p. 203-207
Modularity and distributivity of the lattice of $\Sigma$-closed subsets of an algebraic structure
p. 209-217
Stoleté výročí narození doc. Josefa Holubáře
p. 219-220
Book reviews
p. 221-224

Sommaire du Fascicule no. 3

Note on simultaneous solutions of a system of Schröder's equations
p. 225-236
The counterparts of some cardinal functions in bitopological spaces. I.
p. 237-245
The counterparts of some cardinal functions in bitopological spaces. II.
p. 247-254
Inertial law of quadratic forms on modules over plural algebra
p. 255-263
Approximate properties of principal solutions of Volterra-type integrodifferential equations with infinite aftereffect
p. 265-282
Projections of relations
p. 283-291
A characterization of chaotic functions with entropy zero via their maximal scrambled sets
p. 293-298
$\alpha$-compact fuzzy topological spaces
p. 299-303
Hamiltonian connectedness and a matching in powers of connected graphs
p. 305-317
Median properties of graphs with small diameters
p. 319-323
Isotopic invariants of natural planar ternary rings
p. 325-335

Sommaire du Fascicule no. 4

A principle of linearization in theory of stability of solutions of variational inequalities
p. 337-345
A combinatorial approach to the known projective planes of order nine
p. 347-366
Packings of pairs with a minimum known number of quadruples
p. 367-377
On sequences in vector lattices
p. 379-385
On torsion of a $3$-web
p. 387-392
Quasicontinuity and related properties of functions and multivalued maps
p. 393-403
Domination in graphs with few edges
p. 405-410
Relaxation of vectorial variational problems
p. 411-430
Asymptotic behavior of the solutions to a one-dimensional motion of compressible viscous fluids
p. 431-443
Subtraction semigroups
p. 445-447
Book reviews