isometries相关论文
讨论了无穷维Banach空间中非线形等距算子的特征．在像空间是严格凸的要求下，证明只要f：X→Y保持距离a，b，ma＋nb，其中n，b∈R^＋，m，n∈N，则，f一定是......
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Boolean homomorphisms of a hypercube, which correspond to the morphisms in the category of finite Boolean algebras, coin......
