Suzuki Tomonari
Department of Basic Sciences, Faculty of Engineering, Kyushu Institute of Technology, Tobata, Kitakyushu, 804-8550 Japan.
J Inequal Appl. 2017;2017(1):256. doi: 10.1186/s13660-017-1528-3. Epub 2017 Oct 11.
We first prove one of the most basic inequalities on a -metric space. And then we prove some fixed point theorems. We also consider two similar conditions; one implies the Cauchyness on sequences but the other does not.
我们首先证明在a -度量空间上最基本的不等式之一。然后我们证明一些不动点定理。我们还考虑两个相似的条件;一个蕴含序列的柯西性质,而另一个则不然。