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Abstract
At the present time liquid crystals have extensive practical applications. The reason for this has been both the appearance of a wide assortment of new liquid crystal materials with the requisite properties and the discovery of new physical effects which depend to a considerable extent on the symmetry and oonfigurational features of liquid crystals. Particularly noteworthy in this respect are liquid crystals with spiral structure [1]. The helical twist of the supermoleoular structure ensures the unique properties of such liquid crystals.
