4 0
Linear operators that preserve the edgesum of a graph 6 6 - - - v. ; 23 cm. - - - - - . - . - 0 . - . - 0 .
ABSTRACT : This paper , we characterize all linear operators of B that preserve the edgesum.
5
5
2 = =
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Linear operators ------Edgesum of a graph----
--------20--
----2
/ 2
/ 2
/
/
Linear operators that preserve the edgesum of a graph 6 6 - - - v. ; 23 cm. - - - - - . - . - 0 . - . - 0 .
ABSTRACT : This paper , we characterize all linear operators of B that preserve the edgesum.
5
5
2 = =
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Linear operators ------Edgesum of a graph----
--------20--
----2
/ 2
/ 2
/
/