基本信息
徐罗山，男，汉族，1957年出生，教授，博士生导师，美国数学会会员，中国模糊系统学会常务理事，《模糊系统与数学》杂志编委。使用外语：英语，法语。电邮：luoshanxu@hotmail.com，lsxu@yzu.edu.cn
1992.9获四川大学理学博士学位，师从王国俊教授；1996到比利时做访问学者；到西班牙合作研究一个月；2000.7-至今扬州大学数科院教授，期间到美国访问七个月；到德国与Spreen教授两度合作研究半年。
教学工作
主讲的本科生课程包括解析几何，高等几何，点集拓扑，高等数学等；主讲的研究生课程包括一般拓扑，代数拓扑，逻辑拓扑，数理逻辑，可计算性，范畴与Locale理论，Domain理论， 计算智能，粗糙集理论；形式概念分析。
已毕业博士研究生两名，其中一名获省优秀博士论文奖，一名获扬州大学优秀毕业博士生；已毕业各类硕士生近30名，其中有4人获扬州大学优秀毕业硕士生。
基金项目
主持完成国家自然科学基金项目1项(批准号：10371106), 省、部级科研项目2项，校级项目4项，参加完成国家自然科学基金项目3项 (批准号：60074013，10410638，60774073)。参加在研国家自然科学基金项目1项 (批准号：1103018)。
国际交流
1996.5-1997.7，比利时做访问学者，并顺访法国、德国和西班牙；邀请人：R. Lowen教授。
2001.12-2002.7，美国路易斯安那州立大学访问学者；邀请人：J. D. Lawson教授。
2005.8-2005.11, 2007.8到德国Siegen大学合作研究。 邀请人：D. Spreen教授。
2011.5, 韩国全北大学国际会议及合作研究，邀请人：San-Eon Han 教授
科研工作
主要研究方向：一般拓扑学；非经典数理逻辑； 粗糙集理论；Domain理论； 计算智能；序结构理论等。
发表论文近80篇，近30篇被SCI或EI收录。
发表的主要研究论文
[1] J. D. Lawson, Luoshan Xu. When does [A→B] consist of continuous domains. Topology and Its Applications, 130 (2003): 91-97.
[2] J. D. Lawson, Luoshan Xu. Maximal classes of topological spaces and domains determined by function spaces. Applied Categorical Structures, 11 (2003): 391-402.
[3] Luoshan Xu. External characterizations of continuous sL-domains, in: Domain Theory, Logic, and Computation. Kluwer Academic Publisher, 2003: 137-149.
[4] J. D. Lawson, Luoshan Xu. Posets having continuous intervals. Theoretical Computer Science, 316 (2004): 89-103.
[5] Luoshan Xu. Continuity of posets via fuzzy topology. Fuzzy Logic, Soft Computing and computational Intelligence. Tsinghua University Press & Springer, 2005: 233-236.
[6] Luoshan Xu. Continuity of posets via Scott topology and sobrifications. Topology and its Applications. 153（2006）:1886-1894.
[7] Xuxin Mao, Luoshan Xu. Representstion theorems for directed completions of consistent algebraic L-domains. Algebra Universalis, 54 (2006): 435-447.
[8] Xuxin Mao, Luoshan Xu. B-posets, FS-posets and relevant categories. Semigroup Forum, 72 (2006): 121-133.
[9] 徐罗山. 偏序集上的测度拓扑和全测度. 模糊系统与数学, 21 (1) (2007) : 28-36.
[10] X. X. Mao, L. S. Xu. Quasicontinuity of posets via Scott topology and sobrification. Order, 23 (1) (2007): 359-369.
[11] Luoshan Xu，Xuxin Mao. When do abstract bases generate continuous lattices and L-domains. Algebra Universalis, 58 (2008): 95–104.
[12] Luoshan Xu，Xuxin Mao. Formal topological characterizations of various continuous domains. Comp. & Math. Appl., 56 (2) (2008): 444-452.
[13] Luoshan Xu，Xuxin Mao. Various constructions of continuous information systems. Elec. Notes in TCS, 212 (4) (2008): 299-311.
[14] Luoshan Xu，Xuxin Mao. Strongly continuous posets and the local Scott topology. J. Math. Anal. Appl., 345 (2008): 816-824.
[15] D. Spreen, Luoshan Xu，Xuxin Mao. Information systems revisited—the general case. Theoretical Computer Science, 405 (1) (2008): 176-187.
[16] Xuxin Mao, Luoshan Xu. Meet continuity properties of posets, Theoretical Computer Science, 410(42)( 2009), 4234-4240
[17] Lingyun Yang, Luoshan Xu, Algebraic aspects of generalized approximation spaces, International Journal of Approximate Reasoning 51 (2009) 151–161
[18] Lingyun Yang, Luoshan Xu, On Rough Concept Lattices, Electronic Notes on TCS, 257(3) (2009), 117-133
[19] Guanghao Jiang, Luoshan Xu. Conjugative relations and applications. Semigroup Forum, 80(1)(2010) , 85-91.
[20] Chun-hui Liu, Luo-shan Xu. On ⊙-Ideals and Lattices of ⊙-Ideals in Regular Residuated Lattices. In: Adv. in Intel & Soft Comput. 82（2010）(Eds.: Bing-yuan Cao, etc.), 425-434
[21] Mei-hua Cui, Luo-shan Xu. Researches on (n)Truth Degrees in Modal Logic. In: Adv. in Intel & Soft Comput. 82（2010）(Eds.: Bing-yuan Cao, etc.), 321-330
[22] Gao-lin Li, Luo-shan Xu. Finite Topological Models of Modal Logic Systems S4 and S5, In: Adv. in Intel & Soft Comput. 82（2010）(Eds.: Bing-yuan Cao, etc.), 311-320
[23] Chunhui Liu and Luoshan Xu. L-Fuzzy Subalgebras and L-Fuzzy Filters of R0-Algebras. Nonlinear Maths for Uncertainty and its Appl. Adv. in Int. and Soft Comp., 100 (2011): 667-674.
[24] Gaolin Li, Luoshan Xu. Completely Compact Elements and Atoms of Rough Sets Nonlinear Maths for Uncertainty and its Appl. Adv. in Int. and Soft Comp., 100 (2011): 675-682
[25] Lingyun Yang, Luoshan Xu, Topological properties of generalized approximation spaces, Information Sciences 181 (2011) 3570–3580
[26] Guanghao Jiang, Luoshan Xu. Fitting Relations on Sets and Applications Multimedia Technology, IEEE , 6(2)(2011), 5403-5406