News

Math 確率グラフ

The "Percolation Phase Transition" Theorem Proven Beyond Lattices for All Symmetric Networks, Settling a 1996 Conjecture

In percolation theory, researchers proved that the transition in the probability of a "giant connected component" appearing when edges are randomly retained is sharp on the supercritical side as well, for all infinite transitive graphs. This was shown for lattices in the 1980s, with Benjamini and Schramm conjecturing the generalization in 1996. The proof, by Diskin, Easo, Radhakrishnan, Sudakov, and Tassion of ETH Zurich, was published as a preprint in March 2026 and reported by Quanta Magazine on August 31.

Math 数学史AI活用

Amateur Solves 60-Year-Old Math Problem Using ChatGPT — The Shock of 'Vibe Maths'

An amateur who is not a professional mathematician made skillful use of GPT-5.4 Pro to solve an Erdős problem that had been unsolved for 60 years, using a completely new method. Scientific American named this phenomenon 'Vibe Maths.' Like 'vibe coding' in programming, it is drawing attention as a new paradigm that combines intuition with AI's reasoning power to arrive at mathematical discoveries. An era has arrived in which even people without specialized training can contribute to advanced mathematical research by collaborating with AI.

Vibe Maths / GPT-5.4 + human intuition

Math 離散数学組合せ幾何学

GPT-5 Proves Erdős's 80-Year-Old Unsolved Problem — A New Era for AI Mathematics Research

OpenAI's GPT-5 generated an original proof for Erdős's planar unit-distance problem, which had been unsolved for 80 years, disproving the original conjecture. Terence Tao (Fields Medalist) praised it as 'the clearest resolution of an unsolved problem by AI.' An earlier claim that GPT-5 had 'solved 10 unsolved problems' turned out to be merely a rediscovery of existing literature, but this time it is regarded as a genuinely new mathematical achievement. It signals the arrival of an era in which AI collaborates with human mathematicians to discover new theorems.

Planar unit distance problem / Erdos 1946

Math 統計機械学習

Institute of Statistical Mathematics Symposium 'AI4S 2026': Machine Learning and Statistical Mathematics Open Up 'AI for Science'

Behind the AI boom lies a mass of unglamorous mathematics (probability, statistics, and linear algebra). Machine learning is the task of 'finding the function that best fits a large amount of data,' and how good that fit is depends on the mathematics of 'how you measure error.' What's especially important in AI for Science is expressing 'how certain something is (uncertainty)' as a number. In medical and materials research, honestly estimating the possibility of being wrong is more of a lifeline than simply being right. This story shows how mathematics serves as the 'guardian that makes AI trustworthy.'

機械学習 / 確率統計 / 不確実性

Math 統計データサイエンス

Ministry of Internal Affairs and Communications' 'Statistical Data Analysis Competition 2026': High School Students Also Tackle Social Issues with Data

Statistics is especially recommended for people who feel 'what's the point of math?' Textbook tools like mean, variance, and correlation become direct weapons for answering questions such as 'Is this town really aging?' or 'How much does a price increase strain household budgets?' What matters more than calculation itself is 'how you frame the question' and understanding that correlation is not causation. Ice cream sales and drowning accidents are correlated, but the cause behind both is 'temperature'—seeing through this kind of trap is the skill that keeps you from being misled by data. This is a topic that lets you feel how high school math connects directly to society.

統計 / データ分析 / 相関と因果

Math データの分析基準値と指数

Food Price Hikes Set to Top 10,000 Items Annually for the Fifth Straight Year in 2026—Consumer Prices Up 1.4% Year-on-Year

According to a tally by Teikoku Databank, the number of food items with confirmed price increases for 2026 reached 9,361 for the January-October period, putting the annual total on track to exceed 10,000 items for the fifth consecutive year, possibly by June. The Ministry of Internal Affairs and Communications' Consumer Price Index (CPI), with 2020 as the base of 100, stood at 113.0, up 1.4% from the same month a year earlier. An example for learning how to read statistics.

CPI=113.0(2020年=100), 前年比+1.4%

Math データの分析数理・データサイエンス・AI

Statistics Bureau of Japan's 'Introduction to Data Science for Working Adults' Relaunches on June 11

The online data science course offered by the Statistics Bureau of Japan on the gacco platform relaunches on June 11, 2026. It allows learners to systematically study everything from basic statistics to data analysis methods for free. A learning opportunity designed with connections to the 'Data Analysis' unit in high school Mathematics I and the AI and data science unit of the next course of study guidelines.

Math データの分析時系列データ

Signs of a Price-Hike Rush Amid Middle East Tensions: 3,347 Items Combined for June and July

A naphtha shortage caused by worsening conditions in the Middle East has driven a sharp rise in food packaging material costs, with a combined 3,347 items - 1,078 in June and 2,269 in July - expected to see price increases. The impact extends broadly to processed foods, bread, and more. An example for learning to visualize time-series data with bar and line graphs and to read totals and breakdowns.

1078 + 2269 = 3347品目

Math データの分析統計的な問題解決

Teikoku Databank: 1,078 Food and Beverage Items to Rise in Price in June 2026, Seasonings Most Numerous

Teikoku Databank's tally of 195 major food companies revealed that 1,078 food and beverage items will see price increases in June 2026. This is a sharp surge of roughly 13 times the 84 items in April; by category, seasonings (450 items) were the most numerous, followed by processed foods (304 items). A practical teaching example for learning frequency distributions, aggregation, and month-on-month rate of change.

前月比 ×12.8倍(84→1078)

Math データの分析指数・複利

Cabinet Office: Real GDP Growth for Q1 2026 (Jan-Mar) at +2.1% Annualized Quarter-on-Quarter (First Preliminary Estimate)

The Cabinet Office's first preliminary estimate of real GDP for the January-March 2026 quarter showed growth of +0.5% quarter-on-quarter (+2.1% annualized), marking positive growth for a second consecutive quarter. Private consumption, capital investment, and exports all increased. A practical example for cultivating mathematical literacy on concepts such as 'quarter-on-quarter change,' 'annualized (compound) conversion,' and 'how to read quarterly statistics.'

前期比+0.5% → (1.005)^4-1 ≈ +2.1%

The technology behind the news

Brute-Forcing About 500,000 Variants Through Machine Learning Revealed 'Start Signals' in About 60% of Human Genes

約50万通りの変異体を大量並列シーケンシングで一度に測定し、そのデータを機械学習に学習させた。モデルはヒト遺伝子の約60%にイニシエーターがあると予測した。
Behind the scenes
AI summary

Deliberately Making a Surface 'Full of Defects' Increased Condensation Heat Transfer to 5.5 Times That of Copper (KAIST)

凝縮の熱伝達係数88 kW・m⁻²・K⁻¹は、従来の銅表面の5.5倍、既存の撥水コーティングと比べても50%以上高い。膜を薄くすると水滴の数が約3倍になった。
Behind the scenes
AI summary

Domestic LLM 'LLM-jp-4 33B' Released — 33.2 Billion Parameters Trained on 11.7 Trillion Tokens (National Institute of Informatics)

コンテキスト長65,536トークンは、原稿用紙にすると約200枚分の日本語をいちどに読み込める計算になる。長い文書を丸ごと扱えるかどうかは、この数字で決まる。
Behind the scenes
AI summary

Memory prices to keep rising in Q3 2026, but growth pace to slow

DRAMはパソコンの「作業机」にあたる一時記憶、NANDフラッシュはデータを長期間保存する「本棚」にあたる記憶装置。どちらもAIサーバーの学習・推論に大量に使われるため、AIブームで価格が押し上げられている。
Behind the scenes
AI summary

Chinese companies accelerate shift away from NVIDIA AI chips, domestic chip budget share reaches 46%

AI開発に使われる半導体は「AIアクセラレータ」と呼ばれ、大量の計算を同時にこなすことに特化している。NVIDIAのGPUが世界シェアの多くを占めるが、輸出規制により中国では国産品への置き換えが進んでいる。
Behind the scenes
AI summary

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