We determine the number of alternating parity sequences that are subsequences of an increasing m-tuple of integers. For this and other related counting problems we find formulas that are combinations of Fibonacci numbers. These results are applied to determine, among other things, the number of vertices of any face of the polytope of tridiagonal doubly stochastic matrices.

Abstract Genre-based approach has been the focus of interest in the teaching of language since the mid1980s. Genre is defined in terms of the use of language in conventionalized communicative settings. The present study made an attempt to scrutinize the effects of genre-based pedagogy on Iranian Pre-intermediate EFL leaners' reading comprehension as well as the interaction between their reading...

the place of information in addressing market access and participation limitation, which hinders farmer’s welfare and poverty reduction efforts in many developing countries, cannot be over-emphasized. this study therefore examined the use of mobile phone in the marketing of food crops among farming households in rural south east, nigeria. a multi stage sampling procedures was used in the select...

. . .After them, the (scientific) philosophers appear. . .who proclaim that only they are wise and all other mortals are but shadows flapping about. . . . [The philosophers] build uncountable worlds as . . .they hypothesize without hesitation causes for . . .unexplainable things, as if they were secretaries of Nature, architects of all things, as if they appeared among us from a meeting of gods...