2 papers
math.AC2014
The structure of perfect fields
Duong Quoc Viet, Truong Thi Hong Thanh
This paper builds fundamental perfect fields of positive characteristic and shows the structure of perfect fields that a field of positive characteristic is a perfect field if and…
math.AC2014
On some properties of patial sums
Duong Quoc Viet, Truong Thi Hong Thanh
The paper gives some criteria for partial sums of rational number sequences to be not rational functions and to be not algebraic functions. As an application, we study partial sums…