The category
Science: Mathematics 45
is the most commonly referenced area in studies that cite this article. The first research to cite this article was titled
The characteristic polynomial of a graph and was published in 1972. The most recent citation comes from a 2022 study titled
How to Distinguish Cospectral Graphs. This article reached its peak citation in 1988, with 5 citations. It has been cited in 38 different journals,
13% of which are open access. Among related journals, the
Linear Algebra and its Applications cited this research the most, with 8 citations. The chart below illustrates the annual citation trends for this article.