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zbh2047
  • Member for 6 years, 10 months
  • Last seen more than 2 years ago
  • Beijing, China
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About

Currently I am a Phd. student in Peking University. My interests focus on machine learning and deep learning, optimization theory and theoretical computer science.

I was a college student in Xi'an Jiaotong University in the past 4 years. During the time I am highly interested in computer science, mainly including graph theory, data structures, string theory (including automata) and algorithm analysis.

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Top posts
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question
10
Expectation of the norm of a random vector
Mar 20, 2019
question
7
A Bitwise Xor Problem
May 21, 2018
question
7
Prove that a sub-Gaussian random vector over a finite set $S \subset\mathbb R^n$ implies that $|S|$ is exponentially large
Mar 22, 2019
question
5
Consider a sequence $a_i=p \mod a_{i-1}$, where $p$ is a prime number, how to estimate the smallest $i$ where $a_i=1$? [duplicate]
Feb 6, 2018
question
4
The maximal size of intersection of two sets
Nov 9, 2018
question
3
The norm of isotropic sub-Gaussian random vector may not be sub-Gaussian
Mar 24, 2019
question
2
Lipschitz continuity of an implicit function
Jun 4, 2021
question
2
A linear equation problem related to projection
Jun 9, 2022
question
1
The upper bound of the number of points of a convex hull formed by external co-tangents of circles
Mar 16, 2018
question
1
The minimum possible degree of a graph of $n$ vertices, in which all pairs of nodes have a distance no more than $d$
May 28, 2018
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7
Explicit template instantiation for a range of template parameters in C++
6
Will compiler unroll "for" loop when iterating a const container?
6
Find a monotone increasing nonnegative function such that $f'(x)^2 \ge \alpha f(x)f''(x),\alpha>1$
5
GroupNorm is considerably slower and consumes higher GPU memory than BatchNorm in Pytorch
5
KMP - longest palindromic prefix