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  • 1
    Electronic Resource
    Electronic Resource
    Ramsey families which exclude a graph (1995)
    Springer
    Combinatorica 15 (1995), S. 589-596 
    Details
    ISSN: 1439-6912
    Keywords: 05 C 55
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract For graphsA andB the relationA→(B) r 1 means that for everyr-coloring of the vertices ofA there is a monochromatic copy ofB inA. Forb (G) is the family of graphs which do not embedG. A familyℱof graphs is Ramsey if for all graphsB∈ℱthere is a graphA∈ℱsuch thatA→(B) r 1 . The only graphsG for which it is not known whether Forb (G) is Ramsey are graphs which have a cutpoint adjacent to every other vertex except one. In this paper we prove for a large subclass of those graphsG, that Forb (G) does not have the Ramsey property.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01192529
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Detection of monolayer gratings of adsorbates by linear optical diffractions (1991)
    Springer
    Applied physics 52 (1991), S. 317-322 
    Details
    ISSN: 1432-0630
    Keywords: 78.65. -s ; 07.60. Hv ; 68.35. Fx
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract We report the detection of linear optical diffraction of a He-Ne laser probe beam from a monolayer grating of molecular adsorbates up to the fifth order with no electronic or electromagnetic enhancement. The advantages of using linear diffraction to probe surface diffusion of adsorbates are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00324772
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    Paper (German National Licenses)
    Fulltext
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