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posicВ ответ на вопрос, что делать, если задача, поставленная тебе как тема для диссертации, оказывается опубликованной на сайте математических вопросов-ответов, а потом там же появляется ее решение --
If an expert solves your thesis problem in an afternoon, it is not a good problem for you. You should try to do something that no one else can do. If you cannot, think about changing directions. Keep in mind that it is much easier to make a living using mathematics than creating mathematics.
So if your thesis problem is posed on MO and solved quickly by an expert who saw it, be happy that you did not waste time working on the problem.
http://meta.mathoverflow.net/discussion/1230/what-to-do-if-someone-asks-your-thesis-question/
If an expert solves your thesis problem in an afternoon, it is not a good problem for you. You should try to do something that no one else can do. If you cannot, think about changing directions. Keep in mind that it is much easier to make a living using mathematics than creating mathematics.
So if your thesis problem is posed on MO and solved quickly by an expert who saw it, be happy that you did not waste time working on the problem.
http://meta.mathoverflow.net/discussion/1230/what-to-do-if-someone-asks-your-thesis-question/
