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2 results for 1914

This work discusses local equivalence of partial differential equations based on Élie Cartan's 1914 Mémoire.

problem The local equivalence problem in partial differential equations and integration processes.
method Setting for the local equivalence problem based on Élie Cartan's 1914 Mémoire.
result Illustration of the local equivalence problem through examples.

Study shows government discretion affects rice futures market efficiency.

problem Impact of government discretion on rice futures market efficiency.
method Time-varying VAR model to compare market efficiency and government actions.
result Government discretion reduces market efficiency, while systematic rule-like behavior improves it.