Diameter-vital edges in a graph H. B. WalikarFred BuckleyMedha Itagi Huilgol OriginalPaper 14 July 2011 Pages: 201 - 211
Axiomatizations of quasi-Lovász extensions of pseudo-Boolean functions Miguel CouceiroJean-Luc Marichal OriginalPaper 31 July 2011 Pages: 213 - 231
Converse Jensen–Steffensen inequality S. IvelićM. Klaričić BakulaJ. Pečarić OriginalPaper 17 May 2011 Pages: 233 - 246
Quotient mean, its invariance with respect to a quasi-arithmetic mean-type mapping, and some applications Janusz Matkowski OriginalPaper Open access 12 July 2011 Pages: 247 - 253
On ω-strongly quasiconvex and ω-strongly quasiconcave sequences Jacek TaborJózef TaborMarek Żołdak OriginalPaper 10 September 2011 Pages: 255 - 268
Jensen’s functional equation on the symmetric group Sn Công-Trình LêTrung-Hiêu Thái OriginalPaper 12 July 2011 Pages: 269 - 276
Decomposing complete tripartite graphs into 5-cycles when the partite sets have similar size Elizabeth J. BillingtonNicholas J. Cavenagh OriginalPaper 28 September 2011 Pages: 277 - 289
A functional equation with a symmetric binary operation Zoltán DaróczyJudita Dascăl OriginalPaper 09 September 2011 Pages: 291 - 297
Erratum to: On the pairs of multiplicative functions satisfying some relations Nader L. BassilyImre Kátai Erratum 01 September 2011 Pages: 319 - 320