It is quite difficult for doctors to publish papers, which is more difficult than other disciplines as a whole. There are too many branches of modern mathematics. First, the number of words and pages is generally not less than 150 pages, 65438+ million words. Second, there must be innovation and theoretical depth. In short, it is more difficult. Publishing a doctoral thesis in mathematics requires at least two SCI papers, so it is very difficult. As a doctor of mathematics, it is extremely difficult to publish papers. Generally speaking, a doctor of mathematics will delay the completion of all papers in the fourth or fifth year of graduation. As a doctor of mathematics, besides finishing the corresponding published papers before publication, the most important thing is to publish papers in SCI journals.