papers
Publications (5)
math.CO2008
Clique Numbers of Graphs and Irreducible Exact m-Covers of Z
Hao Pan, Li-Lu Zhao
math.NT2011
Linear extension of the Erdos-Heilbronn conjecture
Zhi-Wei Sun, Li-Lu Zhao
math.NT2009
Some congruences for the second-order Catalan numbers
Li-Lu Zhao, Hao Pan, Zhi-Wei Sun
math.NT2013
Arithmetic theory of harmonic numbers (II)
Zhi-Wei Sun, Li-Lu Zhao
math.NT2010
Some curious congruences modulo primes
Li-Lu Zhao, Zhi-Wei Sun