Results 271 to 280 of about 372,249 (313)
Thermal Conductance of the Gold-Water Interface: Implications for Cooling Rates, Melting, and Solidification in Laser Processing of Colloidal Nanoparticles. [PDF]
J Phys Chem C Nanomater InterfacesArefev MI, Valavanis AS, Zhigilei LV.
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Polytypes and planar defects revealed in the purine base xanthine using multi-dimensional electron diffraction. [PDF]
Commun ChemLeung HW +6 more
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Electronic structure of planar and twisted olefin radical cations
, 2007 Ohgi Takahashi, Ogi Takahashi
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SIAM Journal on Discrete Mathematics, 1994
A separator in a graph \(G\) is a partition \((A,B,C)\) of \(V(G)\) such that \(| A|\), \(| B|\leq {2\over 3}| V(G)|\) and no vertex in \(A\) is adjacent to any vertex in \(B\); its order is \(| C|\). The authors give a short proof of a theorem of Lipton and Tarjan that for any planar graph with \(n\) vertices there is a separator of order \(\leq 2 ...
Alon, Noga, Seymour, Paul, Thomas, Robin
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A separator in a graph \(G\) is a partition \((A,B,C)\) of \(V(G)\) such that \(| A|\), \(| B|\leq {2\over 3}| V(G)|\) and no vertex in \(A\) is adjacent to any vertex in \(B\); its order is \(| C|\). The authors give a short proof of a theorem of Lipton and Tarjan that for any planar graph with \(n\) vertices there is a separator of order \(\leq 2 ...
Alon, Noga, Seymour, Paul, Thomas, Robin
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Journal of Knot Theory and Its Ramifications, 2002
Let S be a connected open subset of 2-sphere S2 which is identified with the extended plane R2 ∪ {∞}. We assume that S contains the n segments {1, 2, …, n} × [-1, 1]. An n-lace ℓ (in S) is the union ℓ1 ∪ … ∪ ℓn of disjoint simple arcs in S such that ∂ ℓi = {(i, 1), (π (i),-1)}, i = 1, …, n, for some permutation π of {1, 2, …, n}.
Jin, GT Jin, Gyo Taek, Kim, H
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Let S be a connected open subset of 2-sphere S2 which is identified with the extended plane R2 ∪ {∞}. We assume that S contains the n segments {1, 2, …, n} × [-1, 1]. An n-lace ℓ (in S) is the union ℓ1 ∪ … ∪ ℓn of disjoint simple arcs in S such that ∂ ℓi = {(i, 1), (π (i),-1)}, i = 1, …, n, for some permutation π of {1, 2, …, n}.
Jin, GT Jin, Gyo Taek, Kim, H
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Canadian Journal of Mathematics, 1975
A finite partially ordered set (poset) P is customarily represented by drawing a small circle for each point, with a lower than b whenever a < b in P, and drawing a straight line segment from a to b whenever a is covered by b in P (see, for example, G. Birkhoff [2, p. 4]). A poset P is planar if such a diagram can be drawn for P in which none of the
Kelly, David, Rival, Ivan
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A finite partially ordered set (poset) P is customarily represented by drawing a small circle for each point, with a lower than b whenever a < b in P, and drawing a straight line segment from a to b whenever a is covered by b in P (see, for example, G. Birkhoff [2, p. 4]). A poset P is planar if such a diagram can be drawn for P in which none of the
Kelly, David, Rival, Ivan
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Planar and non-planar borepins
Molecular Physics, 1996Theoretical studies of borepin and its B-substituted derivatives show planar structures with weak out-of-plane bending modes, often leading to boat-shaped borepins. The lowest vibrational frequency of borepin is 167 cm-1 at both HF/6-31G* and MP2/6-31G* levels, compared to 248 cm-1 calculated for the isoelectronic tropylium ion.
JEROME SCHULMAN, RAYMOND DISCH
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Journal of Chromatography A, 2004
Recent developments in planar electrochromatography (PEC) in both the normal-phase and the reversed-phase modes, and at both atmospheric and elevated pressure, are reviewed. Other forced-flow techniques in planar chromatography are also briefly covered.
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Recent developments in planar electrochromatography (PEC) in both the normal-phase and the reversed-phase modes, and at both atmospheric and elevated pressure, are reviewed. Other forced-flow techniques in planar chromatography are also briefly covered.
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Results in Mathematics, 1996
All rings that are planar near-rings are characterized and constructed. For each vector space over a nontrivial division ring there is precisely one isomorphism class of such rings.
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All rings that are planar near-rings are characterized and constructed. For each vector space over a nontrivial division ring there is precisely one isomorphism class of such rings.
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IEEE Transactions on Computers, 1981
Summary: Those bases which permit the realization of a planar crossover are characterized.
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Summary: Those bases which permit the realization of a planar crossover are characterized.
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