renorming相关论文
Every Banach space with a w*-separable dual has a 1+ε-equivalent norm with the ball covering propert
A normed space is said to have ball-covering property if its unit sphere can be contained in the union of countably many......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Banach空间C[a,b]在通常的最大值范数意义下,不具有严格凸性质和依测度收敛的0pial性质,根据C[a,b]的特点,赋适当的范数,使它具有......