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2001/58/1-2

2001/58/1-2 (1) — DOI: 10.5486/PMD.2001.1830 — pp. 1-7
On proximal properties of proper symmetrizations of relators

József Mala

2001/58/1-2 (2) — DOI: 10.5486/PMD.2001.2034 — pp. 9-13
Infinite dimensional singular discrete control systems and feedback law

Mohamed Rabie Abdallah Moubarak

2001/58/1-2 (3) — DOI: 10.5486/PMD.2001.2148 — pp. 15-28
An existence theorem for the commutative neutrix product of distributions

Brian Fisher, Adem Kiliçman and Joel D. Nicholas

2001/58/1-2 (4) — DOI: 10.5486/PMD.2001.2184 — pp. 29-48
Improving the speed of convergence in the method of projections onto convex sets

G. Crombez

2001/58/1-2 (5) — DOI: 10.5486/PMD.2001.2211 — pp. 49-56
A note on equivalence of means

Lucio R. Berrone and Ariel L. Lombardi

2001/58/1-2 (6) — DOI: 10.5486/PMD.2001.2230 — pp. 57-72
Differentiable solutions of a polynomial-like iterative equation with variable coefficients

Jian-Guo Si and Xin-Ping Wang

2001/58/1-2 (7) — DOI: 10.5486/PMD.2001.2235 — pp. 73-78
On the characterization of additive functions on Gaussian integers

Katalin Kovács

2001/58/1-2 (8) — DOI: 10.5486/PMD.2001.2252 — pp. 79-84
On the Daróczy—Kátai-Birthday expansion

Min-Young Lee

2001/58/1-2 (9) — DOI: 10.5486/PMD.2001.2255 — pp. 85-92
On $c$-normal subgroups of finite groups

Guo Xiuyun and K. P. Shum

2001/58/1-2 (10) — DOI: 10.5486/PMD.2001.2256 — pp. 93-107
On a certain application of Patterson's curvature identity

Ryszard Deszcz, Marian Hotloś and Zerrin Ṣentürk

2001/58/1-2 (11) — DOI: 10.5486/PMD.2001.2263 — pp. 109-119
On the mean value formula for the non-symmetric form of the approximate functional equation of $\zeta^2(s)$ in the critical strip

Isao Kiuchi

2001/58/1-2 (12) — DOI: 10.5486/PMD.2001.2275 — pp. 121-155
Multiply perfect numbers in Lucas sequences with odd parameters

Florian Luca

2001/58/1-2 (13) — DOI: 10.5486/PMD.2001.2314 — pp. 157-191
Convergence of evolution operator families and its applications to functional limit theorems

Herbert Heyer and Gyula Pap

2001/58/1-2 (14) — DOI: 10.5486/PMD.2001.2342 — pp. 193-221
Projection onto the indicatrix bundle of a Finsler manifold

Sz. Vattamány

2001/58/1-2 (15) — DOI: 10.5486/PMD.2001.2363 — pp. 223-230
A counterexample concerning contractive projections of real JB$^\ast$-triples

László L. Stachó

2001/58/1-2 (16) — DOI: 10.5486/PMD.2001.2364 — pp. 231-239
A Wigner-type theorem on symmetry transformations in Banach spaces

Lajos Molnár

2001/58/1-2 (17) — DOI: 10.5486/PMD.2001.2386 — pp. 241-248
Functional equations in the theory of conditionally specified distributions

Károly Lajkó

2001/58/1-2 (18) — DOI: 10.5486/PMD.2001.2387 — pp. 249-262
Graded Lie algebra associated to a SODE

Zoltán Muzsnay

2001/58/1-2 (19) — DOI: 10.5486/PMD.2001.2397 — pp. 263-274
On R-quadratic Finsler spaces

Zhongmin Shen

2001/58/1-2 (20) — DOI: 10.5486/PMD.2001.2459 — pp. 275-285
Conformally Berwald and conformally flat Finsler spaces

Makoto Matsumoto

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