by Dr Kemp from National Mathematics and Science College.
This article offers a simple but rigorous proof of Brouwer’s fixed point theorem using Sperner’s Lemma.The general method I have used so far in the proof is mainly to convert the n-dimensional shapes to the correspo...
In the technical and economic system,there is a certain interaction between various technologies,mainly in the form of technology diffusion.By constructing the mathematical model of technology diffusion,the trend of t...
funded by"Analysis of the Influence Mechanism of Modern Service Industry in Yunnan Province Based on Bayes Method"on the Project of Yunnan University Joint Fund.(2017FH001-068).
Taking the COVID-19 data from 2020-1-23 to 3-21 days released by the China Health Protection Committee as the sample,the hospital remaining rate,mortality rate and cure rate are selected as covariates,and the contact ...
In his book unsolved problems in number theory,Canadian guy proposed a conjecture that all even Numbers are the difference between two prime Numbers.Based on the calculation of elementary number theory,this article co...
Thank you for your valuable comments and suggestions.This research was supported by Yunnan applied basic research project(NO.2017FD150);Chuxiong Normal University General Research Project(NO.XJYB2001).
This paper selects seven indicators of financial revenue and housing sales price in recent 19 years in China,and uses SPSS and Excel to carry out descriptive statistics,independent sample t-test,correlation analysis a...