# A control theorist looks at abstract nonsense

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## Keywords

Category Theory Linear Partial Differential Equation Linear System Theory Infinite Dimensional System Control Fraternity
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## References, with comments

- 1.C. A. Desoer and E. S. Kuh, Basic Circuit Theory, McGraw-Hill, 1970. (This text is valuable for various linear systems viewpoints, all within the framework of networks. The sorts of network descriptions used include ordinary differential equations like (1), state-variable systems like (2), impulse response description (related to (4)) and Laplace transform and Fourier transform descriptions. The latter two, though differing but trivially from the mathematical viewpoint in many cases, provide to an engineer vastly differing heuristically derived information.)Google Scholar
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## Copyright information

© Springer-Verlag Berlin Heidelberg 1975