This is the 16009th most frequent Russian word.
публиковаться
To be published.
Here, 'публикуется' is used as a present tense verb to indicate the ongoing process or state of publication of the article in the journal.
Эта статья публикуется в научном журнале.
This article is published in a scientific journal.
In this context, 'публиковался' is used in the past tense, referring to the occurrence of the novel's publication in a historical context.
Роман этого автора публиковался ещё в прошлом веке.
This author's novel was published back in the last century.
Here, 'будут публиковаться' is used in the future tense to indicate the anticipated or expected publications of his research.