It's my third semester in the math PhD. Basically, I've spent the entire semester waiting for one of my advisors to review a paper I've been working on (by myself, by the way, because his help is useless) related to our project. He always schedules meetings with me and then cancels at the last minute. In the last meeting, I realized he had only read two pages of the paper, and his corrections were trivial — some of them just show he hasn't been reading the version I sent him carefully.
My other advisor thinks he's a big shot. He gives me trivial tasks that I solve in two days, and I don't feel they lead anywhere in our research. But okay, at least he actually works, unlike the other one.
In these three semesters, I could have published more if these people were more hardworking. Only one of them (the one who works a bit more) has proposed that I attend an important conference in the field; the other simply never knows anything about anything. I don't feel like I'm building a network. No one has suggested I do a research stay elsewhere or collaborate with other people. I just feel like I'm wasting my time here.
Is it normal to feel this way at this stage? I'm at a top university in Latin America — I didn't go to Europe or the US because I was admitted directly to the PhD here. But I don't know if this phenomenon of incompetent advisors also happens there, especially in math. Either way, it's exhausting.