In 1982, Guorui worked as a teacher at Hebei Normal University after graduated from department of mathematics in this school.
Some of the achievements produced from these programs, which published in Science、The Plant Cell、Inventions, Mathematical、Advances in Mathematics, Astrophysical Journal are first-level both home and abroad.
Harvard University | Columbia University | Yale University | University of Paris | New York University | Stanford University | Princeton University | University of Cambridge | University of Pennsylvania | University of Michigan | University of Chicago | University of California, Berkeley | University of Toronto | Cornell University | University of Oxford | University of London | University of Oslo | Cambridge University | University of Southern California | McGill University | Johns Hopkins University | Northwestern University | University of California | Brown University | University of Queensland | University of Minnesota | University of Washington | University of Notre Dame | University College London | Duke University |