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In this paper, based on certain variable transformation, we apply the known (G’/G) method to seek exact solutions for three fractional partial differential equations: the space fractional (2+1)-dimensional breaking soliton equations, the space-time fractional Fokas equation, and the spacetime fractional Kaup-Kupershmidt equation. The fractional derivative is defined in the sense of modified Rie...

In the present paper the connict analysis model based on the Rough Set Theory is considered. The simple model introduced by Pawlak 6], 10] formes the basis for the discussion and for the further extension. This paper consists of some proposals of the connict analysis. The sake of space restriction does not allowed to present precise algorithms. 1 Connict model In the model of Pawlak 6], 10] the...