Blog & Writing

I maintain two Chinese-language writing channels with deliberately different scopes: practical computing on CSDN and proof-oriented mathematics on WeChat.

Algorithms · Linux · Systems Practice

CSDN · wanderist.

Problem-solving notes for programming contests, reusable C++ templates, and practical records from Linux administration, remote development, and research-computing environments.

2024 Lanqiao Cup Provincial C++ Group A — Problem NotesA worked collection covering enumeration, dynamic programming, and implementation details. Troubleshooting VS Code / Cursor Remote-SSH PrerequisitesA layered diagnosis of SSH connectivity, server compatibility, and remote-development failures.

Mathematical Exposition

一言先生的数学世界

Long-form notes on mathematical analysis, linear algebra, analytic geometry, real analysis, probability, complex analysis, numerical linear algebra, and abstract algebra.

Scan the public-account QR code in WeChat to follow.

QR code for the WeChat public account 一言先生的数学世界

谈 Vitali 收敛定理在概率论和实变教材中两种不同表示形式的等价性On the equivalence of two formulations of Vitali's convergence theorem used in probability and real-analysis texts. 利用核函数证明积分不等式A kernel-function approach to proving integral inequalities.

Yiyan Zhang

CSDN · wanderist.

一言先生的数学世界