Yuan, Longtu ( 袁龙图 )
| Title： | Associate Professor |
|---|---|
| Department： | Applied Mathematics |
| Office： | |
| Telephone： | 54342646-517 |
| Email： | ltyuan@math.ecnu.edu.cn |
Research Interest
Graph Theory
Resume
Selected Publications
Recent Publications(From MathSciNet)
MR5048492
Prelim
Peng, Xing; Song, Ge; Yuan, Long-Tu; Turán number of nonbipartite graphs and the product conjecture.
Commun. Math. Stat. 14 (2026), no. 2, 205–218. 05C35 (05D10)
Publication Year 2026
MR4976662
Pending
Gao, Zhipeng; Li, Ping; Lu, Changhong; Sun, Rui; Yuan, Long-Tu The maximum number of cliques in graphs that avoid vertex-disjoint copies of path of length two.
Discrete Math. 349 (2026), no. 3, Paper No. 114859, 12 pp. 05C35 (05C69)
Publication Year 2026
Indexed 2025-12-30
MR5011874
Reviewed
Khan, Zia Ullah; Pi, Te; Sun, Rui; Yuan, Long-Tu Spectral radius and the 2-power of Hamilton paths.
Util. Math. 125 (2025), 121–129. 05C50
Publication Year 2025
Indexed 2026-03-09
Review Published2026-03-13
MR4996224
Reviewed
Chen, Wanfang; Lu, Changhong; Yuan, Long-Tu A stability theorem for multi-partite graphs.
Combin. Probab. Comput. 34 (2025), no. 6, 821–847. (Reviewer: Nikolaos Fountoulakis) 05C35
Publication Year 2025
Indexed 2026-02-02
Review Published2026-06-01
MR4968302
Pending
Chen, Wanfang; Lu, Changhong; Yang, Jia-Bao; Yuan, Long-Tu Proof of a conjecture of Xiao and Zamora.
Graphs Combin. 41 (2025), no. 6, Paper No. 114, 7 pp. 05C35
Publication Year 2025
Indexed 2025-12-02
MR4941175
Reviewed
Ning, Bo; Yuan, Long-Tu Stability in Bondy's theorem on paths and cycles.
J. Combin. Theory Ser. B 175 (2025), 213–239. (Reviewer: Pedro García-Vázquez) 05C75 (05C38 05C45)
Publication Year 2025
Indexed 2025-09-19
Review Published2026-04-16
MR4919082
Reviewed
Chen, Wanfang; Lu, Changhong; Wu, Qi; Yuan, Long-Tu Packing of the $k$-power of Hamilton cycles.
Discrete Math. 348 (2025), no. 12, Paper No. 114630, 10 pp. (Reviewer: Tayo Charles Adefokun) 05C70 (05C45 05C76)
Publication Year 2025
Indexed 2025-08-04
Review Published2026-02-09
MR4878983
Reviewed
Ma, Jie; Yuan, Long-Tu Supersaturation beyond color-critical graphs.
Combinatorica 45 (2025), no. 2, Paper No. 18, 40 pp. 05C35
Publication Year 2025
Indexed 2025-05-05
Review Published2026-01-28
MR4840959
Reviewed
Yuan, Long-Tu Circumference, minimum degree and clique number.
Electron. J. Combin. 31 (2024), no. 4, Paper No. 4.64, 6 pp. (Reviewer: Iztok Peterin) 05C75 (05C38 05C69)
Publication Year 2024
Indexed 2025-02-24
Review Published2025-06-13
MR4812453
Reviewed
Xie, Tianying; Yuan, Longtu On the Turán numbers of linear forests in bipartite graphs.
Chinese Ann. Math. Ser. B 45 (2024), no. 5, 709–732. (Reviewer: Yongtang Shi) 05C35 (05C05)
Publication Year 2024
Indexed 2024-12-11
Review Published2025-04-09
MR4797264
Reviewed
Song, Jialei; Lu, Changhong; Yuan, Long-Tu On the Turán number of edge blow-ups of cliques.
SIAM J. Discrete Math. 38 (2024), no. 3, 2429–2446. (Reviewer: W. G. Brown) 05C35
Publication Year 2024
Indexed 2024-11-04
Review Published2025-01-30
MR4765623
Reviewed
Yang, Jia-Bao; Yuan, Long-Tu A note on the stability results of the number of cliques in graphs with given matching number.
Discrete Appl. Math. 356 (2024), 343–349. (Reviewer: Xiaolan Hu) 05C75 (05C35 05C70)
Publication Year 2024
Indexed 2024-08-29
Review Published2025-02-03
MR4755076
Reviewed
Ma, Jie; Yuan, Long-Tu A stability result of the Pósa lemma.
SIAM J. Discrete Math. 38 (2024), no. 2, 1757–1783. 05C38 (05C75)
Publication Year 2024
Indexed 2024-08-02
Review Published2025-04-25
MR4723396
Reviewed
Chen, Ya-Hong; Yang, Jia-Bao; Yuan, Long-Tu; Zhang, Ping Exact generalized Turán numbers for even linear forests.
Discrete Math. 347 (2024), no. 7, Paper No. 113974, 9 pp. (Reviewer: Tianlong Ma) 05C35 (05C05)
Publication Year 2024
Indexed 2024-05-23
Review Published2024-09-27
MR4686188
Reviewed
Yuan, Long-Tu; Zhang, Xiao-Dong Extremal graphs for even linear forests in bipartite graphs.
Discuss. Math. Graph Theory 44 (2024), no. 1, 5–16. (Reviewer: Yongtang Shi) 05C35 (05C38)
Publication Year 2024
Indexed 2024-02-14
Review Published2024-08-26
MR4620768
Reviewed
Chen, Ming-Zhu; Wang, Ning; Yuan, Long-Tu; Zhang, Xiao-Dong The bipartite Turán number and spectral extremum for linear forests.
Linear Algebra Appl. 676 (2023), 150–173. (Reviewer: Yan Zhu) 05C35 (05C38 05C50)
Publication Year 2023
Indexed 2023-09-27
Review Published2024-04-12
MR4548960
Reviewed
Chi, Cheng; Yuan, Long-Tu The Turán number for the edge blow-up of trees: the missing case.
Discrete Math. 346 (2023), no. 6, Paper No. 113370, 8 pp. (Reviewer: J. W. Moon) 05C35 (05C05)
Publication Year 2023
Indexed 2023-04-06
Review Published2023-07-29
MR4496832
Reviewed
Chi, Cheng; Yuan, Long-Tu The structure of graphs with given lengths of cycles.
Discrete Math. 346 (2023), no. 1, Paper No. 113215, 13 pp. (Reviewer: Florian Pfender) 05C35 (05C38)
Publication Year 2023
Indexed 2022-12-22
Review Published2023-09-23
MR4444714
Reviewed
Huo, Qingyi; Yuan, Long-Tu Graphs with large maximum degree containing no edge-critical graphs.
European J. Combin. 106 (2022), Paper No. 103576, 10 pp. (Reviewer: Michael Santana) 05C35
Publication Year 2022
Indexed 2022-08-15
Review Published2023-01-19
MR4414807
Reviewed
Yuan, Long-Tu Extremal graphs of the $p$th power of paths.
European J. Combin. 104 (2022), Paper No. 103548, 12 pp. (Reviewer: Lior Gishboliner) 05C35 (05C76)
Publication Year 2022
Indexed 2022-06-14
Review Published2022-09-16
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