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2004/65/1-2

2004/65/1-2 (1) — DOI: 10.5486/PMD.2004.3207 — pp. 1-11
Béla Brindza (1958-2003)

K. Győry, A. Pethő and Á. Pintér

2004/65/1-2 (2) — DOI: 10.5486/PMD.2004.2521 — pp. 13-28
Some results on primitive words, palindromes and polyslender languages

Pál Dömösi, Sándor Horváth, Masami Ito and Masashi Katsura

2004/65/1-2 (3) — DOI: 10.5486/PMD.2004.2743 — pp. 29-47
Oscillation and nonoscillation of solutions for second order linear differential equations

Huei-Lin Hong, Cheh-Chih Yeh, Horng-Jaan Li and Hsiang-Bin Hsu

2004/65/1-2 (4) — DOI: 10.5486/PMD.2004.2806 — pp. 49-63
Greguš type common fixed point theorems in metric spaces of hyperbolic type

Lj. B. Ćirić and J. S. Ume

2004/65/1-2 (5) — DOI: 10.5486/PMD.2004.2827 — pp. 65-79
The approximate solution of nonlinear operational equations

Đurđica Takači and Arpad Takači

2004/65/1-2 (6) — DOI: 10.5486/PMD.2004.2906 — pp. 81-95
Fragmente der ebenen hyperbolischen Geometrie

Victor Pambuccian

2004/65/1-2 (7) — DOI: 10.5486/PMD.2004.2929 — pp. 97-131
On 2-groups of almost maximal class

Czesław Bagiński and Alexander Konovalov

2004/65/1-2 (8) — DOI: 10.5486/PMD.2004.2953 — pp. 133-148
On relatively equilateral polygons inscribed in a convex body

Marek Lassak

2004/65/1-2 (9) — DOI: 10.5486/PMD.2004.2958 — pp. 149-172
Polynomial-exponential equations involving several linear recurrences

Clemens Fuchs and Amedeo Scremin

2004/65/1-2 (10) — DOI: 10.5486/PMD.2004.2991 — pp. 173-177
On the divergence of partial sums of orthogonal series

László Leindler

2004/65/1-2 (11) — DOI: 10.5486/PMD.2004.2999 — pp. 179-191
Perturbation theorems for upper and lower semi-Fredholm linear relations

Teresa Álvarez

2004/65/1-2 (12) — DOI: 10.5486/PMD.2004.3015 — pp. 193-203
On the paths of B-spline curves obtained by the modification of a knot

Miklós Hoffmann and Imre Juhász

2004/65/1-2 (13) — DOI: 10.5486/PMD.2004.3029 — pp. 205-213
On the Diophantine equation $x^2+(p_1^{z_1}\cdots p_s^{z_s})^2=2y^n$

István Pink

2004/65/1-2 (14) — DOI: 10.5486/PMD.2004.3062 — pp. 215-221
On a composite functional equation arising in utility theory

Gyula Maksa and Zsolt Páles

2004/65/1-2 (15) — DOI: 10.5486/PMD.2004.3084 — pp. 223-232
Hermite—Hadamard-type inequalities for generalized 3-convex functions

Mihály Bessenyei

2004/65/1-2 (16) — DOI: 10.5486/PMD.2004.3208 — pp. 233-242
Transformations on the set of all $n$-dimensional subspaces of a Hilbert space preserving orthogonality

Máté Győry

2004/65/1-2 (17) — DOI: 10.5486/PMD.2004.3234 — pp. 243-252
Modular group algebras with maximal Lie nilpotency indices

Victor Bovdi and Ernesto Spinelli