| Title:
             | 
Remarks on the bounds of graph energy in terms of vertex cover number or matching number (English) | 
| Author:
             | 
Chen, Xiaodan | 
| Author:
             | 
Liu, Xiaoqian | 
| Language:
             | 
English | 
| Journal:
             | 
Czechoslovak Mathematical Journal | 
| ISSN:
             | 
0011-4642 (print) | 
| ISSN:
             | 
1572-9141 (online) | 
| Volume:
             | 
71 | 
| Issue:
             | 
2 | 
| Year:
             | 
2021 | 
| Pages:
             | 
309-319 | 
| Summary lang:
             | 
English | 
| . | 
| Category:
             | 
math | 
| . | 
| Summary:
             | 
We give a novel upper bound on graph energy in terms of the vertex cover number, and present a complete characterization of the graphs whose energy equals twice their matching number. (English) | 
| Keyword:
             | 
graph energy | 
| Keyword:
             | 
vertex cover number | 
| Keyword:
             | 
matching number | 
| Keyword:
             | 
bound | 
| MSC:
             | 
05C50 | 
| idZBL:
             | 
07361070 | 
| idMR:
             | 
MR4263171 | 
| DOI:
             | 
10.21136/CMJ.2021.0190-19 | 
| . | 
| Date available:
             | 
2021-05-20T13:38:54Z | 
| Last updated:
             | 
2023-07-03 | 
| Stable URL:
             | 
http://hdl.handle.net/10338.dmlcz/148905 | 
| . | 
| Reference:
             | 
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| Reference:
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| . |