A family of first-order accurate gradient schemes for finite volume methods. - Oliver F. Oxtoby; Alexandros Syrakos; Eugene De Villiers; Stylianos Varchanis; Yannis Dimakopoulos; John Tsamopoulos (CoRR, 2019)

A unification of least-squares and Green-Gauss gradients under a common projection-based gradient reconstruction framework. - Alexandros Syrakos; Oliver F. Oxtoby; Eugene De Villiers; Stylianos Varchanis; Yannis Dimakopoulos; John Tsamopoulos (Math. Comput. Simul., 2023)