Clarifications for the Published Article: “A Solution to the Famous Twin’s Problem” in the APM of SCIRP at 24 September of 2019
Prodromos Char. Papadopoulos

Adv. Pure Math. Vol.10 No.9, September 29, 2020
DOI:10.4236/apm.2020.109035

Erratum to “Valid Geometric Solutions for Indentations with Algebraic Calculations”, [Advances in Pure Mathematics, Vol. 10 (2020) 322-336]
Gerd Kaupp

Adv. Pure Math. Vol.10 No.9, September 29, 2020
DOI:10.4236/apm.2020.109034

Solutions of Indefinite Equations
Zengyong Liang

Adv. Pure Math. Vol.10 No.9, September 21, 2020
DOI:10.4236/apm.2020.109033

A New Understanding on the Problem That the Quintic Equation Has No Radical Solutions
Xiaochun Mei

Adv. Pure Math. Vol.10 No.9, September 14, 2020
DOI:10.4236/apm.2020.109032

Some Theorems for Real Increasing Functions in Elementary Fixed Point Theory
Maria Luigia Diviccaro, Salvatore Sessa

Adv. Pure Math. Vol.10 No.9, September 10, 2020
DOI:10.4236/apm.2020.109031