The 4th Combinatorics and Graph Theory Conference (CGT 2019) Conference Date: July 19-21, 2019 Conference Venue: Guilin, China Website: http://www.confjuly.org/conference/CGT2019/ Online Registration System: http://www.confjuly.org/RegistrationSubmission/default.aspx?ConferenceID=1132 If you wish to serve the conference as an invited speaker, please send email to us with your CV. We'll contact with you asap. Publication and Presentation Publication: Open access journal related to Applied Mathematics and Physics Index: CNKI and Google Scholar Note: If you want to present your research results but do NOT wish to publish a paper, you may simply submit an Abstract to our Registration System. Contact Us Email: [email protected] Tel: +86 132 6470 2250 QQ: 3025797047 WeChat: 3025797047 Conference Topics Topics: The conference is soliciting state-of-the-art research papers in the following areas of interest: Enumerative combinatorics Combinatorial designs Algebraic combinatorics Coding theory Cryptography Combinatorial matrix theory Finite geometry Combinatorial optimization Combinatorial algorithms Algebraic graph theory Topological graph theory Structure graph theory Applications of combinatorics and graph theory