康庆德
组合设计与编码
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- 姓名:康庆德
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博士生导师
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应用数学
- 研究兴趣:组合设计与编码
康庆德,江苏镇江人,1942年10月生。1988~1989年在荷兰埃茵霍温工业大学数学与计算机科学系留学,获博士学位,1993、1995和1998年又先后在香港、加拿大、美国等多所高校做学术研究。现任河北师范大学教授、博导,数学系主任,数学研究所所长,河北省工业与应用数学会理事长,中国工业与应用数学会理事会常务理事,《数学研究与评论》编委,美国《数学评论》评论员,国家自然科学基金委专家评审组成员。主要研究领域为组合设计与编码。研究成果集中于设计的大集问题、Mendelsohn设计的反自同构、有向圈的填充与覆盖、图标号问题以及de Brui jn序列的性质与构造等方面。已先后在国内外多种学术刊物上发表论文一百余篇,并著有英文学术专著和其它中文书著。曾先后获河北省科技进步一等奖、三等奖,教育部中国高校自然科学二等奖,曾宪梓教育基金会高师院校教师二等奖和省优秀教学成果二等奖。享受国务院颁发的政府特殊津贴,被评为河北省优秀教师,省管优秀专家,国家级中青年优秀专家及“在祖国社会主义现代化建设中作出突出贡献的回国留学人员”等。
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【期刊论文】On large sets of hybrid triple systems 1
康庆德, Qing-de Kang*, Jian-guo Lei
Journal of Statistical Planning and Inference 51(1996)181-188,-0001,():
-1年11月30日
An oriented triple system on a v-set X is called an HTS (v, λ) if it contains both cyclic and transitive triples such that each ordered pair of distinct elements is contained in exactly λ triples of If all the cyclic and transitive triples from X can be partitioned into U, such that each (X) is an HTS (v,λ), then {(X,)}, is called an LHTS (v,λ). In this paper, the existence spectrum of LHTS(v, 2) is completed, that is 4(v-2)=0 (mod 2), 4 (v-2)≥λ, if λ≠0(mod 3) then v≠2(mod 3) and if λ=1 then v≠3.
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【期刊论文】λ-packings andλ-coverings by Graphs With Six Vertices and Seven Edges
康庆德, DU Yanke , *, KANG Qingde
数学进展,2009,38(1): 35-43,-0001,():
-1年11月30日
Let λkv, be the complete multigraph with vvertices and G a finite simple graph.A G-design ( G-packing design, G-covering design) ofλkv, denoted by (v, G, λ)-GD(v, G,λ)-PD, (v, G, λ)-CD), is a pair (X, B) where X is the vertex set of Kv, and B is a collection of subgraphs of Kv, called blocks, such that each block is isomorphic to G and any two distinct vertices in Kv are joined in exactly (at most, at least) λ blocks of B. A packing (covering) design is said to be maximum (minimum) if no other such packing (covering) design has more (fewer) blocks. In this paper, a maximum (v, G, λ)-PD and a minimum (v, G,λ)-CD are constructed for 3 grraphs of 6 vrertices and 7 edges.
G-design, G-packing design, G-covering design
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