In this paper, we study three designs related to the graph K-4 - e. We complete the determination of the spectrum of uniform frames, maximum resolvable packings and minimum resolvable coverings of K-4 - e. (C) 2020 Elsevier B.V. All rights reserved.
机构:
Chinese Peoples Armed Police Force Acad, Dept Basic Courses, Langfang 065000, Peoples R ChinaChinese Peoples Armed Police Force Acad, Dept Basic Courses, Langfang 065000, Peoples R China