Sharp upper bounds on the signless Laplacian spectral radius of strongly connected digraphs. - Ligong Wang 001; Weige Xi (Discuss. Math. Graph Theory, 2016)

The signless Laplacian and distance signless Laplacian spectral radius of digraphs with some given parameters. - Weige Xi; Ligong Wang 001 (Discret. Appl. Math., 2017)

On the signless Laplacian spectral radius of weighted digraphs. - Weige Xi; Ligong Wang 001 (Discret. Optim., 2019)

The Aα spectral radius and maximum outdegree of irregular digraphs. - Weige Xi; Ligong Wang 001 (Discret. Optim., 2020)

Sharp bounds on the generalized distance spectral radius and generalized distance energy of strongly connected digraphs. - Zengzhao Xu; Weige Xi (RAIRO Oper. Res., 2024)

Ordering digraphs with given maximum outdegree by their A spectral radius. - Zengzhao Xu; Weige Xi; Ligong Wang (Discret. Math., 2026)