TY - JOUR AU - Yuankang Fu AU - Huayou Xie AU - Yongjin Li TI - The Dunkl-Williams constant related to the singer orthogonality and red isosceles orthogonality in Banach spaces JO - Filomat PY - 2023 SP - 5601 VL - 37 IS - 17 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2317601F/ DO - 10.2298/FIL2317601F LA - en ID - 10_2298_FIL2317601F ER -