An identity for the independence polynomials of trees.
p. 19
A property of canonical graphs.
p. 33
Some results on graphs with at most two positive eigenvalues.
p. 39
Convergence of subseries of the harmonic series and asymptotic densities of sets of positive integers.
p. 60
Tight semigroups.
p. 71
Symmetric inverse -areolar differences and -interpolation. (Symmetrische inverse -areoläre Differenzen und - Interpolation.)
p. 96
Some inequalities of isoperimetric type concerning analytic and subharmonic functions.
p. 123
On isomorphisms of spaces of analytic functions onto .
p. 131
Trace formula for nuclear perturbations of discrete nonselfadjoint operators.
p. 135
The dual Steiner formula for convex compacta.
p. 152
Symplectic and cosymplectic foliations on cosymplectic manifolds.
p. 163