1. Authorship complaints
2. Plagiarism complaints
3. Multiple, duplicate, concurrent publication/Simultaneous submission
4. Research results misappropriation
5. Allegations of research errors and fraud
6. Research standards violations
7. Undisclosed conflicts of interest
8. Reviewer bias or competitive harmful acts by reviewers
https://www.elsevier.com/editors/publishing-ethics/perk
Publication Ethics:
Author aspects
Authorship
Plagiarism
Duplicate Publishing
Publishing translations of previous work
Image manipulation
Conflict of Interest
Referee aspects
Plagiarism, duplicate publishing or other ethical violations
Conflict of Interest
Readers aspects
Plagiarism, duplicate publishing or other ethical violations
Editor aspects
Plagiarism, duplicate publishing or other ethical violations responsibility
Conflict of Interest