I was asked by this (tenure-track) assistant professor X, with whom I'm in very friendly terms, to collaborate on a project together. X and I work in the same broad area of pure math (topology) but our subfields of expertise differ considerably. At the beginning I was very excited but I've now realized that X is at best extremely inefficient and at worst incompetent. We have been working on the project for some months now and 90% of the things that X says are wrong for very elementary reasons and the remaining 10% are borderline tautological. I'm getting very frustrated because I spend more time correcting his "proofs" (of very elementary claims, not even high level stuff!) than doing actual research. So far all we have is stuff I had proved before starting the collaboration with him which forms the base of the project we are working on. On the other hand he seems to be very keen on us working on a project together and as I've said we're friends. I don't know how to deal with this.

Should I give him some more time to actually contribute in some way to our project or should I tell him that I no longer want to collaborate with him? In the latter case would it be ethical if I worked on my stuff that I shared with him? He literally hasn't added any value whatsoever to it so far.

  • 1
    How have other people gotten along trying to work with him before? Has anyone successfully managed? How did they manage?
    – smci
    Sep 3, 2019 at 21:09
  • @smci Most of his papers are with multiple co-authors but I don't know how the co-authors managed.
    – user112589
    Sep 3, 2019 at 21:24

2 Answers 2


This may be too personal for a good answer here, but let me make a couple of suggestions. The big issue, I think, is how important to you is the personal relationship. If it is important enough, then you might want to just help him with his education rather than the collaboration, per se. If you are colleagues at the same institution, it might even be necessary to do something like that for your own protection.

One way would be to found a research group with a few faculty and some graduate students where the goal is just as much about pushing people up the scale as it is the actual research. If your colleague agrees to this, he might improve his own grounding in the subject.

But if you are willing to let the personal relationship go, then you can also let the collaboration go as well. It might be difficult to step away from it, of course.

But you don't really say what you mean by "collaboration". If you mean "I'll do this and you do that", then it probably isn't going to work - ever. But if you work closely together (one desk) or in the research group idea, then it might work better, as long as you don't feel used with "giving" joint authorship for things you think are really yours. But I don't really consider splitting the work as collaboration.

One way to split up is to ask your colleague how he thinks it is working out. If you think you could go faster alone, then it isn't wrong, just uncomfortable, to say so. Egos can be bruised, of course.

Ethics would only enter in if you took work of his and didn't provide the appropriate credit, whatever that might be.

I guess I should also note that in many collaborations, someone is dominant. For example, many of the people who are Erdős-2 likely felt like the junior partner. But one that is uniformly unbalanced can be frustrating as you say.

  • Thanks for the thoughtful answer! X and I are not collegues at the same institution so thankfully there isn't that extra layer of potential drama. As for how collaborations go, I agree with you that one in which the co-authors merely "split" tasks wouldn't be great. We have worked closely together (one desk style) for some weeks before. I would spend most of the time explaining why certain things wouldn't work, correcting mistakes and pointing out structural flaws...
    – user112589
    Sep 2, 2019 at 20:34
  • ... I felt really bad because I could see that X was getting demoralized. I don't want to antagonize him but I also don't want to waste my time on something I see very little future on. The work I shared with X is now in a file where both me and X appear as authors. That's why I'm not sure if it's ethical if I "claim" it back, since he's put some time in trying to understand what I had done.
    – user112589
    Sep 2, 2019 at 20:34
  • 1
    Probably a mistake to "claim it back". Let the old work stand, but find a better way for the next one. No single paper should be a make or break situation.
    – Buffy
    Sep 2, 2019 at 20:45
  • Thanks for your advice. It really helps.
    – user112589
    Sep 2, 2019 at 20:48

Not all attempted mathematical research succeeds. Sometimes you work on something for hours, days, weeks...and realize at the end you have too little to show for it, or that you made a crucial error that ruins everything. This applies in particular to collaborations: just because you get together with someone (or someones) and propose to work on X, it doesn't mean that you will end up writing a paper on X or even making any progress on X. (This has certainly happened to me.)

Hows is this relevant to your present situation? Well, on the one hand you seem worried about disappointing your friend, which I certainly understand, but actually you delivered on the deal: he wanted to collaborate with you, and so you have. Surely you didn't agree to collaborate until you achieved some specific goal, no matter what, right? So I don't think you should feel too bad about breaking off the collaboration: all collaborations are parted sooner or later, and most by mathematicians who remain active on other projects. On the other hand, you use the word incompetent, which seems harsh to me. Most mathematicians lack the competence to solve (or even to superficially understand!) most mathematical problems, of course. Just because your friend can't make correct arguments on this topic doesn't mean they are not competent in something else. Also collaboration gives you a chance to see someone at their worst as well as their best: some mathematicians make a lot of mistakes that no one ever hears about, but people hear about their remarkable successes. (We generally respect and admire these mathematicians.)

If you are describing your friend as "incompetent," it sure sounds to me like you want to be out of the collaboration, so I would suggest that you do so, by which I mean ending the research sessions with your friend. In my opinion the "classy move" would then be to write up what you have so far and ask your friend how they wish to proceed. They may well decline to be an author on the paper. Or maybe they will accept to be an author, either because they think they brought more to the table than you do or because professional exigencies make them feel that they cannot turn down an authorship on something they spent this much time working on. This kind of thing used to bother me. It doesn't really anymore. I don't think your friend is going to get tenure "unfairly" because of this one project with you.

Of course once you have decided what to do about your joint work and that you will not collaborate anymore, you are completely free to do further work as you see fit.

  • 1
    Thanks. I agree that "incompetent" is a harsh word but again 9 things that X says out of 10 are complete nonsense. I'm not even talking about high level topology here. I'm talking about lack of knowledge of basic logicical implications (i.e. sufficient vs necessary), conceptual mistakes in basic linear algebra manipulations, ignorance of basic topological concepts and facts, misinterpreting definitions etc. That's why I'm so frustrated. Add to that that the few higher level ideas X had (about stuff in his subfield) while working with me were just so blatantly nonsensical...
    – user112589
    Sep 3, 2019 at 5:29
  • 1
    @user112589 What was his reactions when you helped correct his mistakes? Sep 3, 2019 at 9:20
  • 1
    @TomášZato Sometimes he would just say "Ah, yes", sometimes he would add "then I don't know what else to do". Once he had worked for a couple of hours on something, showed me his work, I pointed out that that couldn't work because of (common knowledge) reasons, he looked offended and said that he was just trying to be useful. I can see he's frustrated and annoyed but I'm also exhausted by this.
    – user112589
    Sep 3, 2019 at 11:07

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .