• Change the World

    with Rationality

    App Developer

    Applied Mathematician

    Educator

  • Intro

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    Hi! Welcome to my personal website!

    Here, I'm sure you'll discover a more authentic and vibrant me.

    Applied mathematics has nothing to do with education, doesn't it?

    But somehow, I get the best of both worlds, as I found their common trait: the use of rationality to influence the world.

    Applying mathematical wisdom, I developed a prototype green navigation app, solved the mystery inside the new ticket gates, and unraveled the principles behind billiard dynamics.

    Using the logic of writing, I wrote many in-depth articles on education, became a featured writer for an influential media outlet, and received over 50,000 online views.

    Listen to my story and see how I changed the world with rationality!

  • APP Developer

    GreenwayShanghai: a well-constructed, user-friendly, green travelling app prototype

    Born in Shanghai, I am fascinated by its powerful transportation system and often use it to travel inside the city. However, whenever I used the navigation app, I found it lacked support for green travel and was not user-friendly enough. This drove me to reinvent the app and create GreenwayShanghai by applying mathematics and the open-source UI framework Flutter.

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    Home

    Input the starting and ending points to generate possible routes. They will be arranged in ascending order of carbon footprint, with the most sustainable route listed first.

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    Plaza

    Learn about other users' posts on route choices and promote sustainable travelling methods.

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    Discover

    Access relevant articles on low-carbon travel and recognize the importance of choosing sustainable routes.

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    Profile

    Quantify users' achievements in emissions reduction and motivate users to reduce carbon emissions in the long term.

  • Applied Mathematician

    Observe the world with a rational mindset.

    Those always-open ticket gates made me wonder about their effectiveness, "Can I apply math modelling to verify that?" This curiosity eventually led to a research project that deepened my understanding of the urban transportation system.

    On the battlefields of billiards, what changes is the position of balls, but what remains unchanged are the mathematical and physical theories behind it. Intrigued, I integrated mathematical methods into my physics research and sought to uncover those underlying principles.

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    Impact of implementing “always-open ticket gates” in Shanghai subway stations on overall passing efficiency analyzed by queuing model

    Project Rating: A+

    This study examines the impact of implementing these gates on overall passenger flow efficiency through a queuing model, on-site observations, and online data sources. The findings indicate that “always-open” ticket gates significantly reduce average waiting times and have a greater impact at station exits than at entrances.

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    How do different cue tip offsets influence the change in angle during a masse shot?

    EE Rating: A

    This research investigates the curved trajectory of a masse shot in billiards and confirms that the trajectory angle is directly proportional to cue tip offset, effectively addressing the research question.

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    The quantitative relationship between the collision angle and the velocity of the target ball after the collision of two billiards

    IA Rating: 22/24

    This research explores the relationship between the collision angle and the velocity of the target ball in snooker and confirms that the target ball’s velocity is inversely related to the collision angle.

  • Educator

    Warm the world with cold rationality.

    Below are some representative articles posted on two blog channels.

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    How do prospective international students view the current situation of studying abroad in the United States?

    Blog Channel: Azure Forest

    Publish Date: 04/22/2025

    Reads: 616

    I shared my opinion on the massive cancellation of student visas in the U.S. and suggested ways to respond, including complying with U.S. laws and applying to multiple countries.

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    I explore the mysteries of economics at international school

    Blog Channel: Azure Forest

    Publish Date: 05/05/2025

    Reads: 428

    Drawing from my learning journey, I introduced the IB economics course, summarized its pros and cons, and explained its application in real-life scenarios.

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    My English learning journey after entering a top-tier international school in Shanghai

    Blog Channel: Guyu Planet

    Publish Date: 05/25/2025

    Reads: 18400+

    The May SAT score release marked the end of my standardized testing journey, but I didn't just stop there. In this article, I shared my experiences in taking the TOEFL and SAT, recommended English-learning tutorials, and encouraged students to approach exams correctly.

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    Entering a top international school in Shanghai, I was shocked by the wealthy second-generation

    Blog Channel: Guyu Planet

    Publish Date: 09/02/2025

    Reads: 24700+

    I met several classmates from wealthy families in real life after entering high school. Still, I discovered that many students come from middle-class families, contrary to stereotypes. In this article, I compared the two different curricula and explained the reasons behind my family's decision.

  • What do readers say?

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