Hla461 发表于 2025-3-30 11:06:07
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Existence and Uniqueness Theorems, setting of the previous chapter, a Banach space, and a device known as a contraction mapping. The results are then applied to an integral equation. These are in turn applied to certain ordinary differential equations. Finally, the results are extended and refined.打谷工具 发表于 2025-3-31 05:08:19
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Linear Operators on a Hilbert Space,ilbert space. We shall again encounter an adjoint operator, eigenvalues, and operator convergence, but in a different context. Our final goal in this chapter will be to write a large class of operators as integrals. When we finally encounter partial differential equations, these integral representat