Abstract
We give a new lower bound on the order of a largest induced forest in planar graphs with girth 4. We prove that a triangle-free planar graph of order n admits an induced forest of order at least 6n+711, improving the lower bound of Salavatipour (2006).
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.