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Integrable Difference Analogue of the Logistic Equation and Bäcklund Transformation of the KP Hierarchy
Noriko Saitoh, Satoru Saito, Akinobu Shimizu
A difference analogue of the logistic equation, which preserves integrability, is derived from Hirota's bilinear difference equation. The integrability of the map is shown to resul…
More on the Burkhardt-Cottingham Sum Rule in QCD
Jiro Kodaira, Satoshi Matsuda, Tsuneo Uematsu +1
The QCD higher order effects to the polarized structure function are reanalyzed for massive quarks in the context of the operator product expansion. We confirm that…
The Background Field Method: Alternative Way of Deriving the Pinch Technique's Results
Shoji Hashimoto, Jiro Kodaira, Yoshiaki Yasui +1
We show that the background field method (BFM) is a simple way of deriving the same gauge-invariant results which are obtained by the pinch technique (PT). For illustration we cons…
Semantics of Complex Sentences in Japanese
Hiroshi Nakagawa, Shin'ichiro Nishizawa
The important part of semantics of complex sentence is captured as relations among semantic roles in subordinate and main clause respectively. However if there can be relations bet…