====== LPN14-126 A streamlined difference ring theory: Indefinite nested sums, the alternating sign and the parameterized telescoping problem ====== ^ LPN14-126 A streamlined difference ring theory: Indefinite nested sums, the alternating sign and the parameterized telescoping problem ^ |**C. Schneider** | |** ** | |[[http://arxiv.org/abs/1412.2782|arXiv]] | | |