Archivum mathematicum

ISSN 1212-5059 · Volume 45 (2009), No. 1 · Electronic Edition

Ravi P. Agarwal, Mustafa F. Aktas, and A. Tiryaki
On Oscillation Criteria for Third Order Nonlinear Delay Differential Equations
pp. 1–18: Abstract, GZIP-PS (457 KiB), PDF (447 KiB)

Aris S. Tersenov
Viscosity subsolutions and supersolutions for non-uniformly and degenerate elliptic equations
pp. 19–35: Abstract, GZIP-PS (455 KiB), PDF (444 KiB)

G. Murugusundaramoorthy, K. Vijaya, and R. K. Raina
A subclass of harmonic functions with varying arguments defined by Dziok-Srivastava operator
pp. 37–46: Abstract, GZIP-PS (373 KiB), PDF (392 KiB)

Zhizheng Zhang and Jizhen Yang
Several $q$-series identities from the Euler expansions of $(a;q)_{\infty }$ and $\frac{1}{(a;q)_{\infty }}$
pp. 47–58: Abstract, GZIP-PS (420 KiB), PDF (431 KiB)

Sanjib Kumar Datta and Arindam Jha
Some results on the growth properties of Wronskians
pp. 59–69: Abstract, GZIP-PS (347 KiB), PDF (353 KiB)

Şule Ecevit and Muhammet Tamer Koşan
On rings all of whose modules are retractable
pp. 71–74: Abstract, GZIP-PS (311 KiB), PDF (319 KiB)

Jarek Kędra
Fundamental group of $\operatorname{Symp}(M,\omega )$ with no circle action
pp. 75–78: Abstract, GZIP-PS (319 KiB), PDF (332 KiB)