Search results for "A10"

showing 2 items of 62 documents

Resolvent estimates for elliptic quadratic differential operators

2011

Sharp resolvent bounds for non-selfadjoint semiclassical elliptic quadratic differential operators are established, in the interior of the range of the associated quadratic symbol.

quadratic differential operatorSemiclassical physics47A10 35P05 15A63 53D2215A6353D22spectrumMathematics - Spectral TheoryMathematics - Analysis of PDEsQuadratic equationFOS: Mathematicsnonselfadjoint operator35P05Quadratic differentialSpectral Theory (math.SP)ResolventMathematicsNumerical AnalysisMathematics::Operator AlgebrasApplied MathematicsMathematical analysisSpectrum (functional analysis)resolvent estimateMathematics::Spectral TheoryDifferential operator47A10Range (mathematics)FBI-Bargmann transformAnalysisAnalysis of PDEs (math.AP)
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Standardization of Road Danger Signs in the European Union

2015

The aim of this research is to find a solution for the standardization of road signs in the EU zone by a comparative analysis of different national sign systems to establish a common set from a single country. This work is based on the idea that road sign standardization might increase the safety level of transnational journeys and foster the relationships among the various members of the EU Community. This paper presents the outcome of the first step of the research, which focuses on the harmonization of danger signs. In more detail, a multicriteria approach is applied to rank 19 EU Member States on the basis of three main aspects: the installation cost of new signs, new sign learning issu…

road signsEngineeringmulticriteria analysisStandardizationOperations researchbusiness.industryRank (computer programming)lcsh:TA1001-1280Sign (semiotics)visual perceptionOcean EngineeringHarmonizationDanger signgraphical analysisWork (electrical)Risk analysis (engineering)road signs; multicriteria analysis; graphical analysis; visual perceptionmedia_common.cataloged_instancelcsh:Transportation engineeringEuropean unionbusinessSet (psychology)Engineering (miscellaneous)Civil and Structural Engineeringmedia_commonPROMET - Traffic&Transportation
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