袁龙图｜华东师范大学｜学者主页

期刊论文

2026

Strong counterexamples to a supersaturation question of Ma–Yuan

Wanfang Chen, Long‐Tu Yuan

European Journal of Combinatorics

DOI

2026

Fan-type conditions involving the bipartite independence number for hamiltonicity and hamiltonian-connectedness in graphs

Hongxi Liu, Long‐Tu Yuan, Xiaowen Zhang

Discrete Applied Mathematics

DOI

2025

The maximum number of cliques in graphs that avoid vertex-disjoint copies of path of length two

Zhipeng Gao, Ping Li, Changhong Lü, Rui Sun, Long‐Tu Yuan

Discrete Mathematics

DOI

2025

Proof of a conjecture of Xiao and Zamora

Wanfang Chen, Changhong Lü, Jia-Bao Yang, Long‐Tu Yuan

Graphs and Combinatorics

DOI

2025

A stability theorem for multi-partite graphs

Wanfang Chen, Changhong Lü, Long‐Tu Yuan

Combinatorics Probability Computing

DOI

2025

Stability in Bondy's theorem on paths and cycles

Bo Ning, Long‐Tu Yuan

Journal of Combinatorial Theory Series B

DOI

2025

Exact Results for Some Extremal Problems on Expansions I

Xizhi Liu, Jialei Song, Long‐Tu Yuan

Communications in Mathematics and Statistics

DOI

2025

Packing of the k-power of Hamilton cycles

Wanfang Chen, Changhong Lü, Qi Wu, Long‐Tu Yuan

Discrete Mathematics

DOI

2025

Supersaturation Beyond Color-Critical Graphs

Jie Ma, Long‐Tu Yuan

COMBINATORICA

DOI

2024

On the Turán Number of Edge Blow-Ups of Cliques

Jialei Song, Changhong Lü, Long‐Tu Yuan

SIAM Journal on Discrete Mathematics

DOI

2024

On the Turán Numbers of Linear Forests in Bipartite Graphs

Tianying Xie, Long‐Tu Yuan

Chinese Annals of Mathematics Series B

DOI

2024

A Stability Result of the Pósa Lemma

Jie Ma, Long‐Tu Yuan

SIAM Journal on Discrete Mathematics

DOI

2023

Turán Number of Nonbipartite Graphs and the Product Conjecture

Xing Peng, Ge Song, Long‐Tu Yuan

Communications in Mathematics and Statistics

DOI

2023

The bipartite Turán number and spectral extremum for linear forests

Mingzhu Chen, Ning Wang, Long‐Tu Yuan, Xiao‐Dong Zhang

Linear Algebra and its Applications

DOI

2021

Extremal graphs for edge blow-up of graphs

Long‐Tu Yuan

Journal of Combinatorial Theory Series B

DOI

2021

The Maximum Number of Copies of $K_{r,s}$ in Graphs Without Long Cycles or Paths

Changhong Lü, Long‐Tu Yuan, Ping Zhang

The Electronic Journal of Combinatorics

DOI

预印本

2026

Exact generalized Turán number of vertex-disjoint paths of length two

Qile Wu, Long‐Tu Yuan

arXiv (Cornell University)

DOI

2025

Exact Turán numbers of two vertex-disjoint paths

Dong, Miao, Ning, Bo, Long‐Tu Yuan, Xiaodong Zhang

arXiv (Cornell University)

DOI

2024

Spectral radius and the 2-power of Hamilton paths

Te Pi, Rui Sun, Long‐Tu Yuan

arXiv (Cornell University)

DOI

2022

The Turán number for the edge blow-up of trees: the missing case

Chi, Cheng, Long‐Tu Yuan

arXiv (Cornell University)

DOI

2020

Extremal graphs of the $k$-th power of paths

Long‐Tu Yuan

arXiv (Cornell University)

DOI

2020

Extremal graphs for wheels

Long‐Tu Yuan

arXiv (Cornell University)

DOI

精选作品

期刊论文

Strong counterexamples to a supersaturation question of Ma–Yuan

Fan-type conditions involving the bipartite independence number for hamiltonicity and hamiltonian-connectedness in graphs

The maximum number of cliques in graphs that avoid vertex-disjoint copies of path of length two

Proof of a conjecture of Xiao and Zamora

A stability theorem for multi-partite graphs

Stability in Bondy's theorem on paths and cycles

Exact Results for Some Extremal Problems on Expansions I

Packing of the k-power of Hamilton cycles

Supersaturation Beyond Color-Critical Graphs

On the Turán Number of Edge Blow-Ups of Cliques

On the Turán Numbers of Linear Forests in Bipartite Graphs

A Stability Result of the Pósa Lemma

Turán Number of Nonbipartite Graphs and the Product Conjecture

The bipartite Turán number and spectral extremum for linear forests

Extremal graphs for edge blow-up of graphs

The Maximum Number of Copies of $K_{r,s}$ in Graphs Without Long Cycles or Paths

预印本

Exact generalized Turán number of vertex-disjoint paths of length two

Exact Turán numbers of two vertex-disjoint paths

Spectral radius and the 2-power of Hamilton paths

The Turán number for the edge blow-up of trees: the missing case

Extremal graphs of the $k$-th power of paths

Extremal graphs for wheels