All pages should be numbered consecutively. The title of the paper should be followed by the name(s) and affiliation(s) of the author(s). The name of speaker should be inserted in the footnote. A short title (maximum 50 characters) should be given for use as a running title. Each manuscript should contain a preferably formula-free abstract with the heading "Abstract" following the affiliation(s). The abstract should not exceed 150 words. Primary and secondary AMS subject classification numbers and keywords and phrases (arranged in an alphabetical order) should be given on the first page of the manuscript. Figures, charts, and diagrams should be prepared in a form suitable for photographic reproduction. Therefore, authors should ensure that their figures are legible when printed in black & white. Tables should have short explanatory headings and should be numbered consecutively. Equations should be numbered consecutively with numbers in parentheses appearing on the right hand margin. When cited in the text of the paper, references to publications should be as: Kuba and Panholzer (2007). References should be listed at the end of the paper in an alphabetical order and chronologically for the same author(s). References should be complete especially containing the FULL name of the journals and not their appreviations.