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  • 17B37  (1)
  • Acoustic  (1)
Document type
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  • 1
    Electronic Resource
    Electronic Resource
    Auditory sensitivity of the cichlid fish Astronotus ocellatus (Cuvier) (1992)
    Springer
    Journal of comparative physiology 171 (1992), S. 105-109 
    Details
    ISSN: 1432-1351
    Keywords: Astronotus ocellatus ; Audiogram ; Acoustic ; sensitivity ; Fish ear ; Non-otophysan fish
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Auditory sensitivity was determined for the oscar, Astronotus ocellatus, a cichlid fish that has no known structural specializations to enhance hearing. Trained A. ocellatus behaviorally responded to sound stimuli from 200 Hz to 800 Hz with best sensitivity of 18 dB (re: 1 μbar) to 21 dB for frequencies between 200 and 400 Hz. This is significantly poorer than hearing sensitivity for fish classified as hearing specialists, but well within the range of hearing capabilities reported for non-specialist teleost species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00195965
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    An elliptic quantum algebra for $$\widehat{s1}_2 $$ 2 (1994)
    Springer
    Letters in mathematical physics 32 (1994), S. 259-268 
    Details
    ISSN: 1573-0530
    Keywords: 17B37 ; 82A67
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract An elliptic deformation of $$\widehat{s1}_2 $$ is proposed. Our presentation of the algebra is based on the relationRLL = LLR *, whereR andR * are eight-vertexR-matrices with the elliptic moduli chosen differently. In the trigonometric limit, this algebra reduces to a quotient of that proposed by Reshetikhin and Semenov-Tian-Shansky. Conjectures concerning highest-weight modules and vertex operators are formulated, and the physical interpretation ofR * is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00750668
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    Paper (German National Licenses)
    Fulltext
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