Derivative of the hyperbolic cotangent
Article Abstract:
An additional term proportional to the Dirac delta function is presented as part of the derivative of the hyperbolic cotangent. The significance of this new result is illustrated in a physical problem, where a quantum particle coupled to a quantum-mechanical heat bath is analyzed. Using the conventional result which lacks the delta function would derive zero, but use of the correct formula leads to the white-noise result.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1996
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Marcescent
Article Abstract:
International and domestic pressures have finally caused the Philippine government to abolish its monopoly of the national sugar industry. Sugar growers oppose the policies being introduced by the National Sugar Trading Corporation (Nasutra) nearly as much as the complete control it has held over the industry since 1977. Roberto Benedicto, a very close associate of President Ferdinand Marcos, heads Nasutra.
Publication Name: Economist
Subject: Economics
ISSN: 0013-0613
Year: 1984
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The burden of a happy childhood: how a girl's kingdom became a woman's prison
Article Abstract:
The author writes of growing up in a large, Victorian-style home, surrounding by a large, loving family. The sorrows of an unhappy childhood have been well-documented, but happy childhoods create issues too. The author elucidates her efforts to deal with her happy childhood.
Publication Name: The New York Times Magazine
Subject:
ISSN: 0028-7822
Year: 1998
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