一个阿贝尔积分根的数目的下界(A lower bound for the number of zeroes about an Abelian integral) od YANDong-mei(严冬梅), LÜDa-mei(吕大梅)

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图的Nordhaus-Ghaddumm型的代数连通度的界(A sharp lower bound for the algebraic connectivity of the Nordhaus- Gaddumm type) od LÜDa-mei,(吕大梅), DUJuan,(杜娟), LÜJia-jun(吕嘉钧)

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Möbius梯的(d, 1)-全标号((d, 1)-total labelings of the Möbius Ladders) od LÜDa-mei(吕大梅), LIHai-ping(李海萍), YIDan(裔丹), ZHANGKe(张科), SHIDu(石渡)

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