The first author refers to the person whose signature is listed first. Some articles also have two or more first authors, which are called concurrent first authors. In this case, it is generally necessary to Mark the person's name.
The corresponding author generally refers to the person in charge of the entire project, responsible for the funding, design, writing of the article, etc. He is also the point of contact for articles and research materials. Above all, he takes responsibility for the reliability of the article.
The first author is different from the corresponding author, and different from the creative contribution. The corresponding author is often the most authoritative among the authors in the field of the paper. The weight of the first author
In the signature of innovative works such as scientific research papers, patents, research reports, etc., when multiple authors complete the work simultaneously, the name of the person who contributed the most to the work Usually the signature comes first. Especially for the signature of scientific research papers, each journal has more detailed regulations; and when the signature of a paper is used for professional title evaluation, the weight of the first author is obviously heavier than that of the second and third authors, but lighter than that of a single signature.
Contributors who have contributed directly or indirectly to the work, but whose overall contribution is significantly different from that of the first author, are collectively referred to as second/third authors.