We present here characterizations of graphs whose semi-splitting block graphs are planar, outer planar. Also we characterize graphs whose semi-splitting block graphs are planar and outer planar in terms of forbidden sub graphs.
Keywords : Semi-splitting; Block; Planar; Outer planar; Forbidden.
© 2010 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.