It depends on what you use to publish your paper. Generally speaking, professional title evaluation only recognizes the first author, and some places may recognize it. Generally, the third author can only increase the number on your list, and talking is better than nothing.

There is generally no limit to the number of authors who publish conference papers, but usually no more than six.

A paper can be co-authored by multiple authors. According to different publications, the number of authors is different, which is generally indicated in the periodical call for papers. Usually there can be 3-6 authors. If the contributing magazine or unit has special requirements on the number of authors, it shall arrange the number of authors according to the specified requirements.

Generally speaking, among multiple authors, the first author and the correspondent author have higher status, and the second author has great contribution and responsibility to the paper.

The first author of the conference paper is the main author. If a paper is written by several people, it is impossible to distinguish who contributed it, and there are also several people who are the first authors.

Authors rank is usually ranked according to the contribution, and the correspondent is both the contact person and the person in charge, and the correspondent is also responsible for the problems in the article. The extended information conference paper is the first published paper read in formal occasions such as conferences.

Conference papers are published papers. Generally, regular academic exchange meetings will publish conference papers, and the papers published in this way will generally be used as assessment contents such as professional title evaluation. There is also a database of conference papers in China, which collects conference papers. Conference papers are not periodicals, but some periodicals are supplements to conference papers.