@JoelDavidHamkins: Thank you for the suggestion. I changed the title.

@YemonChoi: Yes. I rephrased the question.

@YemonChoi: This post is a sequel to "Collaboration or acknowledgment?". The question I asked is not that far from the topic of that post. Why is my question off topic while "Collaboration or acknowledgment?" is not off topic?

@YemonChoi: What is the difference between this and "Collaboration or acknowledgment?"?

@AndréHenriques: I updated the question.