3 papers
cs.SC2026
On the Summability Problem of Multivariate Rational Functions in the Mixed Case
Shaoshi Chen, Lixin Du, Hanqian Fang +1
Continuing previous work, this paper focuses on the summability problem of multivariate rational functions in the mixed case in which both shift and -shift operators can appear.…
cs.SC2025
Symmetric Division of Linear Ordinary Differential Operators
Lixin Du, Manuel Kauers
The symmetric product of two ordinary linear differential operators is an operator whose solution set contains the product of any solution of and any…
cs.SC2025
Symbolic Summation of Multivariate Rational Functions
Shaoshi Chen, Lixin Du, Hanqian Fang
Symbolic summation as an active research topic of symbolic computation provides efficient algorithmic tools for evaluating and simplifying different types of sums arising from math…