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A New Sufficient Conditions and Hamiltonian graphs
Zhao Kewen
Strategic Study of CAE 2003, Volume 5, Issue 11, Pages 61-64
Let G be a simple graph, δ and a be minimum degree and independence number of G, respectively, Faudree et al showed, in 1991, the Hamiltonian result with condition | N(x)∪ N(y) | ≥n-8. In 1993, Chen further considered the Hamiltonian with condition max |d{x) , d(y)| n/2 for each pair of non-adjacent vertices x , y with 1≤|N(x)∩NV(y)|≤a-l. In this paper a sufficient condition for a graph to be Hamiltonian graph is shown and the following result is obtained : let G be a 2-connected graph of order n , if| N(x) U N(y) |≥ n-δ-1 for each pair of non-adjacent vertices x, y with 1≤ | N(x)∩ N(y) |α-1, then G is Hamiltonian or G∈{K(n-1)/2, (n + 1)/2, K2* V3K(n-2)/3},This result generalizes some results in Hamiltonian graphs .
Keywords: Hamiltonian graph neighborhood union conditions minimum degree independence number
Jiaxing GUO, Huan LIU, Yang JIANG, Dongquan HE, Qidong WANG, Fei MENG, Kebin HE
Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1, Pages 79-88 doi: 10.1007/s11783-013-0516-1
Keywords: CO2 emission neighborhood type transportation household energy China
European Union Legislates Charging Port Standard
Chris Palmer
Engineering 2023, Volume 23, Issue 4, Pages 7-9 doi: 10.1016/j.eng.2023.02.003
European Union Puts Teeth in Right to Repair
Sean O´Neill
Engineering 2021, Volume 7, Issue 9, Pages 1197-1198 doi: 10.1016/j.eng.2021.07.007
Changes of ecological conditions induced by rock tunneling in Laoshan Mountain area
LI Xiaozhao, ZHAO Xiaobao, WANG Zhongsheng
Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4, Pages 366-370 doi: 10.1007/s11709-008-0056-0
Keywords: supplement fragmentation reference tunneling activity vegetation situation
Lingyun YOU, Kezhen YAN, Nengyuan LIU
Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2, Pages 487-500 doi: 10.1007/s11709-020-0609-4
Keywords: asphalt pavement interlayer conditions finite element method artificial neural network back-calculation
Wen XUE, Weiliang JIN, Hiroshi YOKOTA,
Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3, Pages 348-353 doi: 10.1007/s11709-010-0077-3
Keywords: durability effective diffusion coefficient steady-state migration test
Boundary conditions for axisymmetric piezoelectric cylinder
Baosheng ZHAO, Di WU, Xi CHEN
Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4, Pages 401-408 doi: 10.1007/s11465-013-0272-8
Keywords: solid and structures the axisymmetric deformation the piezoelectric circular cylinder the refined theory Bessel’s Function
Influence of boundary conditions and turntable speeds on the stability of hydrostatic oil cavity
Zhaomiao LIU, Chengyin ZHANG, Feng SHEN
Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3, Pages 359-368 doi: 10.1007/s11465-011-0222-2
Keywords: hydrostatic oil cavity flow state oil cavity pressure stability vortex
Jinghua XU, Tiantian WANG, Qianyong CHEN, Shuyou ZHANG, Jianrong TAN
Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1, Pages 24-42 doi: 10.1007/s11465-019-0558-6
Keywords: performance design air separation unit (ASU) lumped parameter model (LPM) variable working conditions
Fermin Cuevas, Junxian Zhang, Michel Latroche
Engineering 2021, Volume 7, Issue 6, Pages 715-718 doi: 10.1016/j.eng.2021.04.010
Ali KARIMPOUR, Salam RAHMATALLA
Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6, Pages 1331-1348 doi: 10.1007/s11709-020-0686-4
Keywords: structural model validation eigenvalue problem response surface inverse problems
Jiaxuan YANG, Jun MA, Dan SONG, Xuedong ZHAI, Xiujuan KONG
Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0844-z
Keywords: Preozonation BAC filtration High ammonia level Bacterial activity Microbial community structure Pilot scale study
Yan Jianlin, Dong Jingchen, Gu Yishana, Yang Xiaoying
Strategic Study of CAE 2018, Volume 20, Issue 4, Pages 9-12 doi: 10.15302/J-SSCAE-2018.04.002
Keywords: China’s national conditions intelligent manufacturing technological strategy
Effects of operating conditions on membrane charge property and nanofiltration
Li XU, Li-Shun DU, Jing HE
Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4, Pages 492-499 doi: 10.1007/s11705-011-1143-7
Keywords: nanofiltration membrane streaming potential Zeta potential permeate flux retention rate
Title Author Date Type Operation
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