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�称:教授
�系电�:022-23502180
电å�邮箱:lguo@nankai.edu.cn
办公地å�€ï¼šç»„å�ˆæ•°å¦ä¸å¿ƒ108
个人主页:https://peter-guo.com/
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å�—开大å¦ç»„å�ˆæ•°å¦ä¸å¿ƒæ•™æŽˆï¼Œå�šå£«ç”Ÿå¯¼å¸ˆã€‚ç ”ç©¶æ–¹å�‘是代数组å�ˆå¦ï¼Œä¸»è¦�关注组å�ˆå¦ä¸Žè¡¨ç¤ºè®ºã€�ä»£æ•°å‡ ä½•ã€�ç¦»æ•£å‡ ä½•ç›¸äº¤å�‰çš„内容,工作集ä¸åœ¨Schubert计数演算ã€�对称函数ã€�多é�¢ä½“ã€�Kazhdan-Lusztigç�†è®ºç‰è¯¾é¢˜ã€‚与å�ˆä½œè€…解决了ICM邀请报告人Igor Pakã€�András Némethi ,数å¦é¡¶åˆŠã€ŠJ. AMS》å‰�任副主编Victor Reiner以å�ŠçŽ°ä»»å‰¯ä¸»ç¼–Thomas Lamç‰äººæ��出的多个猜想和公开问题;在ICM邀请报告人Gunter Zieglerå€¡å¯¼ç ”ç©¶çš„è¶…ç«‹æ–¹å�多é�¢ä½“的计数问题上å�–得实质进展。相关结果å�‘表在《Adv. Math.》ã€�《Canad. J. Math.》ã€�《 Int. Math. Res. Not.》ã€�《Math. Z.》ã€�《Selecta Math.》ç‰ç»¼å�ˆæ€§æœŸåˆŠä»¥å�Šã€ŠJ. Combin. Theory Ser. A》ç‰ä¸“业性期刊,å�—到包括Fields奖获得者ã€�ICM邀请报告人的关注和引用。
2011.07-2015.12, 组å�ˆæ•°å¦ä¸å¿ƒ 讲师 2016.01-2021.12, 组å�ˆæ•°å¦ä¸å¿ƒ 副教授 2022.01-至今,组å�ˆæ•°å¦ä¸å¿ƒ 教授
2002.09-2006.06ï¼Œå±±ä¸œå¤§å¦æ•°å¦å¦é™¢ å¦å£« 2006.09-2011.06,å�—开大å¦ç»„å�ˆæ•°å¦ä¸å¿ƒ å�šå£«
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投稿论文 1. with Mingyang Kang and Jiaji Liu Hybrid Grothendieck polynomials arXiv:2505.19072v1 通过引入set-valued reversed plane partition,统一了stable Grothendieck polynomial和dual stable Grothendieck polynomials。
2. with Zhuowei Lin Schubert polynomials and patterns in permutations arXiv:2412.02932v1 建立了Schubert多项å¼�çš„Newton多é�¢ä½“䏿 ¼ç‚¹æ•°ç›®çš„一个下界。
3.with Neil J.Y. Fan, Changjian Su, and Rui Xiong A Pieri type formula for motivic Chern classes of Schubert cells in Grassmannians arXiv:2402.04500v1 å»ºç«‹äº†æ ¼æ‹‰æ–¯æ›¼æµ�å½¢ä¸Schubert胞腔的motivic陈类的Pieriå…¬å¼�,并由æ¤å¾—到两个é‡�è¦�应用。
4.with Neil J.Y. Fan and Nicolas Y. Liu An Involution on Semistandard Skyline Fillings arxiv.org/abs/2010.08156 Key多项å¼�有多个组å�ˆè§£é‡Šï¼Œå…¶ä¸skyline填充是最é‡�è¦�的一个模型。skyline填充模型的è¯�明需è¦�利用 Jim Haglund, Mark Haimanå’ŒNick Loehr建立的é�žå¯¹ç§°Macdonald多项å¼�的组å�ˆæ¨¡åž‹ï¼ˆA combinatorial formula for nonsymmetricMacdonald polynomials, Amer. J. Math., 2008),以å�ŠBogdan Ion建立的é�žå¯¹ç§°Macdonald多项å¼�å’ŒKey多项å¼�的关系(Nonsymmetric Macdonald polynomials and Demazure characters, Duke Math. J., 2003)。Sami Assaf利用“fundermental slide polynomialâ€�得到了该模型å�¦å¤–一个的è¯�明 (Nonsymmetric Macdonald polynomials and a refinement of Kostka-Foulkespolynomials, Trans. Amer. Math. Soc., 2018),该è¯�明ä»�旧很ä¸�平凡。 论文通过引入组å�ˆç®—法(推广了ç»�典的Bender-Knuth算法),给出了skyline填充模型的一个åˆ�ç‰ç»„å�ˆè¯�明。
5.with Neil J.Y. Fan and Sophie C.C. Sun Bumpless Pipedreams, Reduced Word Tableaux and Stanley Symmetric Functions arXiv:1810.11916 Richard Stanley于1984年引入了Stanley对称函数(On the number of reduced decompositions of elements of Coxeter groups, European J. Combin., 1984),其出å�‘点是计数排列的“既约表示â€�的个数。æ¤å�Žï¼Œäººä»¬è®¤è¯†åˆ°Stanley对称函数 是Schubert多项å¼�的稳定形å¼�,这个å�‘çŽ°ä»Žæ ¹æœ¬ä¸Šæ��å�‡äº†Stanley对称函数的é‡�è¦�性,使得Stanley对称函数æˆ�为 Stanley最é‡�è¦�的工作之一。Stanley对称函数具有Schuræ£æ€§ï¼ˆSchur positivity,å�³ï¼šä»¥Schurå‡½æ•°ä¸ºåŸºå±•å¼€ï¼Œç³»æ•°ä¸ºæ£æ•´æ•°ï¼‰ã€‚ 该性质首先被Paul Edelmanå’ŒCurtis Greeneè¯�实(Balanced tableaux, Adv. Math., 1987),他们è¯�明系数å�¯ä»¥é€šè¿‡ç‰¹æ®Šç±»åž‹ çš„æ�¨è¡¨æ�¥è®¡æ•°ã€‚近期, Thomas Lam, Seung Jin Leeå’ŒMark Shimozonoå�‘现该系数å�¯ä»¥ç”±ä¸€ç§�新的组å�ˆç»“构“bumpless pipedreamâ€� 计数(Back stable Schubert calculus, Compositio Math., 2021)。Thomas Lam, Seung Jin Leeå’ŒMark Shimozonoçš„è¯�明使用 äº†ä»£æ•°å‡ ä½•æ–¹æ³•ï¼Œä»–ä»¬æ��出寻找组å�ˆè¯�明这一公开问题。论文解决了这个公开问题.
接收�表论文
1.with Neil J.Y. Fan, Changjian Su, and Rui Xiong Chern classes of open projected Richardson varieties and of affine Schubert cells International Mathematics Research Notices, to appear. ã€�arXiv版本】 ç ”ç©¶äº†open projected Richardsonç°‡çš„é™ˆç±»çš„å‡ ä½•å’Œç»„å�ˆæ€§è´¨ã€‚
2.with Neil J.Y. Fan and Rui Xiong Pieri and Murnaghan--Nakayama type rules for Chern classes of Schubert cells Selecta Mathematica, to appear. ã€�arXiv版本】 建立了ç»�典旗æµ�å½¢ä¸Schubert胞腔的陈类的Pieriå…¬å¼�以å�ŠMurnaghan--Nakayamaå…¬å¼�。
3.with with Zhuowei Lin and Simon C.Y. Peng Zero-one dual characters of flagged Weyl modules Canadian Journal of Mathematics, to appear. ã€�arXiv版本】 解决了旗外尔模的特å¾�æ ‡çš„ç³»æ•°ç‰äºŽ0或1的组å�ˆåˆ»ç”»çš„猜想。
4.with Neil J.Y. Fan and Rui Xiong Bumpliess pipedreams meet puzzles Advances in Mathematics 463 (2025), Paper No. 110113, 29 pp. �arXiv版本】��志版本】
利用�解lattice model建立了double Grothendieck多项�在separated-descent情况下的Triple Schubert Calculus结构常数的组�公�。
5.with Neil J.Y. Fan and Nicolas Y. Liu Complements of Schubert polynomials Advances in Applied Mathematics 157 (2024), Paper No. 102691, 16 pp. �arXiv版本】��志版本】
论文å°�è¯•ç ”ç©¶äº†Schubert多项å¼�å�–补的性质。
6.with Neil J.Y. Fan Poincare polynomials of odd diagram classes SIAM Journal on Discrete Mathematics 36 (2022), 2225–2237. �arXiv版本】��志版本】
论文解决了Francesco Brenti, Angela Carnevaleå’ŒBridget Tenneræ��出 çš„Bruhatå��åº�下一类区间(odd diagram class)的秩对称性猜想 (Odd diagrams, Bruhat order, and patternavoidance, Combin. Theory, 2022)。我们猜测以上区间对应的Kazdan-Lusztig多项å¼�æ�’ç‰äºŽ1。
7.with Neil J.Y. Fan Upper bounds of Schubert polynomials Science China Mathematics 65 (2022), 1319–1330. �arXiv版本】��志版本】
论文建立了Schubert多项å¼�å’ŒKey多项å¼�达到上界的æ�¡ä»¶ã€‚该结果被 June Huh, Jacob Matherne, Karola Meszaroså’Œ Avery St. Dizier应用,部分è¯�明了Schubert多项å¼�的洛伦兹猜想(arXiv:1906.09633v3)。结å�ˆè¯¥è®ºæ–‡çš„结果和è¯�明æ€�路, Karola Meszaroså’ŒArthur Tanjayaç ”ç©¶äº†Schubert多项å¼�的线性组å�ˆçš„é�žè´Ÿæ€§è´¨ï¼ˆInclusion-exclusion on Schubert polynomials, arXiv:2102.11179v1), 部分è¯�明了Yibo Gaoæ��出的一个关于Schubert多项å¼�特殊化的猜想。
8.with Neil J.Y. Fan Set-valued Rothe tableaux and Grothendieck polynomials Advances in Applied Mathematics 128 (2021), 102203. �arXiv版本】��志版本】
论文建立了1432-�排对应的Grothendieck多项�的(集�值)�表公�。
9.with Neil J.Y. Fan Vertices of Schubitopes Journal of Combinatorial Theory, Series A 177 (2021), 105311. �arXiv版本】��志版本】
Schubitope是旗外尔模(Flagged Weyl module)的特å¾�æ ‡å¯¹åº”çš„Newton多é�¢ä½“,包å�«Schubert多项å¼� 以å�ŠKey多项å¼�çš„Newton多é�¢ä½“作为特殊情况。论文建立了Schubitope的顶点的组å�ˆåˆ»ç”»ã€‚作为应用, è¯�明了Cara Monical, Neriman Tokcanå’ŒAlex Yongæ��出的关于Key多项å¼�çš„Newton多é�¢ä½“顶点的 顶点刻画猜想(Newton polytopes in algebraic combinatorics, Selecta Math., 2019)。
10.with Neil J.Y. Fan, Simon C.Y. Peng and Sophie C.C. Sun Lattice points in the Newton polytopes of Key polynomials SIAM Journal on Discrete Mathematics 34 (2020), 1281-1289. �arXiv版本】��志版本】
论文è¯�明了Cara Monical, Neriman Tokcanå’ŒAlex Yongæ��出的关于Key多项å¼�çš„Newton多é�¢ä½“䏿 ¼ç‚¹ (lattice points)的一个组å�ˆåˆ»ç”»çŒœæƒ³ï¼ˆNewton polytopes in algebraic combinatorics, Selecta Math., 2019)。
11.with Neil J.Y. Fan A note on specializations of Grothendieck polynomials Discrete Mathematics 343 (2020), 111877. �arXiv版本】��志版本】
Anders Buchå’ŒRichard Rimanyi利用Hecke代数è¯�明了Grothendieck多项å¼�局部化公å¼�(Specializations of Grothendieck polynomials, C. R. Acad. Sci.Paris, Ser. I, 2014)。Alex Yongå’ŒAlex Wooåˆ©ç”¨ä»£æ•°å‡ ä½•çš„æ–¹æ³•é‡�æ–°è¯�明了这个公å¼� (A Grobner basis for the Kazhdan-Lusztig ideals, Amer. J. Math., 2012)。论文给出了该公å¼�的一个åˆ�ç‰ç»„å�ˆè¯�明。
12.with Sophie C.C. Sun Identities on factorial Grothendieck polynomials Advances in Applied Mathematics 111 (2019), 101933. �arXiv版本】��志版本】
Laszlo Feher,Andras Nemethi å’ŒRichard Rimanyiç”¨å‡ ä½•æ–¹æ³•å¾—åˆ°äº†ä¸€ä¸ªå…³äºŽSchur函数的ç‰å¼�, å¹¶æ��出寻找组å�ˆè¯�明这一公开问题(Equivariant classes of matrix matroid varieties, Comment. Math. Helv., 2012)。 论文给出了该ç‰å¼�的组å�ˆè¯�明,并将该ç‰å¼�推广到阶乘Grothendieck多项å¼�(å�³Grassmannian排列对应的Grothendieck多项å¼�)。
13.with Jack C.D. Zhao and Michael X.X. Zhong Proof of a conjecture of Morales-Pak-Panova on reverse plane partitions Advances in Applied Mathematics 108 (2019), 45-66.�arXiv版本】��志版本】
14.with Neil J.Y. Fan and Sophie C.C. Sun Proof of a conjecture of Reiner-Tenner-Yong on barely set-valued tableaux SIAM Journal on Discrete Mathematics 33 (2019), 189-196. �arXiv版本】��志版本】
15.with Neil J.Y. Fan and Grace L.D. Zhang On parabolic Kazhdan-Lusztig R-polynomials for the symmetric group Journal of Pure and Applied Algebra 221 (2017), 237-250. �arXiv版本】��志版本】
16.with William Y.C. Chen, Alan J.X. Guo, Harry H.Y. Huang and Thomas Y.H. Liu s-Inversion sequences and P-partitions of type B SIAM Journal on Discrete Mathematics 30 (2016), 1632-1643. �arXiv版本】��志版本】
17.with William Y.C. Chen and Sabrina X.M. Pang Vacillating Hecke tableaux and linked partitions Mathematische Zeitschrift 281 (2015), 661-672. �arXiv版本】��志版本】
18.with William Y.C. Chen Equivalence classes of full-dimensional 0/1-polytopes with many vertices Discrete & Computational Geometry 52 (2014), 630-662. �arXiv版本】��志版本】
19.with William Y.C. Chen, Neil J.Y. Fan, Alan J.X. Guo, Harry H.Y. Huang and Michael X.X. Zhong Combinatorial proof of the inversion formula on the Kazhdan-Lusztig R-Polynomials Mathematische Zeitschrift 277 (2014), 1017-1025. �arXiv版本】��志版本】
20.with William Y.C. Chen and Oliver X.Q. Gao q-Hook length formulas for signed labeled forests Advances in Applied Mathematics 51 (2013), 563-582. �arXiv版本】��志版本】
21.with William Y.C. Chen Oscillating rim hook tableaux and colored matchings Advances in Applied Mathematics 48 (2012), 393-406. �arXiv版本】��志版本】
22.with William Y.C. Chen and Oliver X.Q. Gao On Han's hook length formulas for trees The Electronic Journal of Combinatorics 18 (2011), #P155. �arXiv版本】��志版本】
23.with William Y.C. Chen and Oliver X.Q. Gao Hook Length formulas for trees by Han's expansion The Electronic Journal of Combinatorics 16 (2009), #R62 �arXiv版本】��志版本】
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