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Jihuan Tian

Jihuan Tian

Mastodon @hypersingular@mathstodon.xyz
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📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→

Every booking is a normal escrow-protected deal.

Followers
3
Account age
0 yrs
🧰 Free analysis for Jihuan Tian
🕵️ Fake follower check 📊 Engagement rate 💰 What they charge

📊 Activity & format

Posting cadence
2.1 / week
Posts several times a week.
Content mix
Mostly text
Recent: 9 text · 3 image · 0 video.
Follower / following
1×
Follows 3 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
Photo post Even though I do not adopt vibe coding and will not let AI refactor my numerical library, AI is still useful in the following aspects. 1. After manual code checking and reviewing, I use AI to check the code again, let it find implicit flaw… 初玩星露谷物语，得到一个启示：一个人最好的状态并非无所事事、图享清闲，而是靠内驱力推动、因循自己的节律、朝向自己的目标，去做长期积累。在这个过程中，去除功利心、去除与人比较的心，保持宁静与“良质”，且不必在意外部的评价与激励，从而获得源自发… Using the refactored #HierBEM, I computed the surface potential distribution of the model shown below under mixed boundary conditions using the boundary element method with an operator preconditioner. The simulation completed in 2,038 seco… https://jihuan-tian.github.io/thoughts/2026/07/10/find-the-real-cause-of-program-errors.html When you get used to writing and programming within Emacs, with instant file saving and opening, you will find out editing documents or visualizing data in LibreOffice becomes extremely slow and unbearable. 近期完成了 #HierBEM 软件库的重构工作，提升了性能。在该过程中的体会整理如下。 https://jihuan-tian.github.io/thoughts/2026/07/10/hierbem-refactor-experience.html Progress update of #HierBEM Finished the implementation of precomputing and storing cell values for the regular cell neighboring type, i.e. the two cells Kx and Ky for the test and trial spaces are well separated. The purpose of their prec… #DEALII 项目的启示(参考：Arndt, D., Bangerth, W., Davydov, D., Heister, T., Heltai, L., Kronbichler, M., Maier, M., … (). The deal.ii finite element library: design, features, and insights. , 81(), 407–422. <http://dx.doi.org/10.1016/j.cam… There are two kinds of lexicographic numberings in a ~MappingInfo~ object in #HierBEM: one is used to access precomputed mapping support points by starting from a given cell vertex in either the forward or backward/reversed way; the other … 本文整理了我开发三维伽辽金边界元算法库 #HierBEM 的初心与心路历程。 https://jihuan-tian.github.io/thoughts/2026/06/21/the-reason-for-developing-hierbem.html clangd 的内存用量已控制在系统内存的 20% 左右，可以正常进行代码分析了，这对于 #HierBEM 的项目重构非常有用。之前会出现内存用量超过 50% 乃至完全耗尽，从而导致系统卡死、 clangd 崩溃、打开源代码文件加载时间过长等情况。

🐘 Community & instance

Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Aug 2025
An established account with real history on the platform.

💡 Facts

🗓️Joined Mastodon in 2025.
📤Posts about 2.1× per week.

🛡️ Audience credibility

50/100
Fair Credibility score
77%
Mixed Real audience
Medium Fake-follower risk
Low Data confidence
  • Est. 77% real, active audience · Medium fake-follower risk.
  • Limited engagement data — score uses the signals available.

Low confidence — few signals are public for this listing, so treat it as a rough screen. Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

I’m working on the project HierBEM, a scientific C++ software library that implements the 3D Galerkin boundary element method (BEM).

📸 Gallery

Photo post Using the refactored #HierBEM, I computed the surface potential distribution of the model shown below under mixed boundary conditions using the boundary element method with an operator preconditioner. The simulation completed in 2,038 seconds. For comparison, the same model took 15.5 hours to solve in May 2023: https://jihuan-tian.github.io/math/2023/05/25/voltage-distribution-simulation-using-3d- clangd 的内存用量已控制在系统内存的 20% 左右，可以正常进行代码分析了，这对于 #HierBEM 的项目重构非常有用。之前会出现内存用量超过 50% 乃至完全耗尽，从而导致系统卡死、 clangd 崩溃、打开源代码文件加载时间过长等情况。

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

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