Abstract
We analyze various definitions of the concepts of a singular operator and a singular bilinear form and propose the most suitable ones. We also study the simplest properties of these objects.
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Published in Ukrainskii Matematicheskii Zhurnal, Vol. 45, No. 8, pp. 1084–1089, August, 1993.
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Karwowski, W., Koshmanenko, V. On the definition of singular bilinear forms and singular linear operators. Ukr Math J 45, 1208–1214 (1993). https://doi.org/10.1007/BF01070967
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DOI: https://doi.org/10.1007/BF01070967