▽Wolfram Blog ●04/20 21:54 Education (202)Events (49)Wolfram News (282)Education & AcademicWolfram Education Programs for Middle School, High School and BeyondApril 18, 2025The precollege education team at Wolfram runs a wide range of programs and experiences for students from middle school and up. Many of our students start out with asynchronous online programs to get a feel for computational thinking and coding befo
▽Johnnie Moore’s Weblog ●04/20 16:29 The absurdIn moving house, I radically downsized my collection of books which I can highly recommend. I used to think I’d one day find a reason to keep all those volumes,6 September 2012The perils of boxed solutionsReferring to this blog entry by Jim McGee: It’s human to want solutions in neat boxes, but neatness often drives out humanity. The Japanese make haikus in praise of the “messiness”
▽檜山正幸のｷﾏｲﾗ飼育記 ●04/20 09:18 2025-04-19方向とｵﾘｴﾝﾃｰｼｮﾝ､圏論の絵図雑記／備忘｢方向と向きは区別しなさい｣と教わって､それを守ってきたつもりですが､ﾃｸﾆｶﾙﾀｰﾑだとしても｢方向｣と｢向き｣を区別して運用するのはどうも無理がある気がしてきました｡方向は direction で､向きは orientation のことなのですが､思い切って…2025-04-19随伴系のﾍﾟｰｽﾃｨﾝｸﾞ図もXyJax (Xy-pic extension for MathJax)で描いてみる雑記／備忘｢ﾊﾞﾀﾆﾝのﾍﾟｰｽﾃｨﾝｸﾞ図をXyJax (Xy-pic extension for MathJax)で描いてみる｣の続き｡2-圏のなかの構造といえば､なんつっても随伴系〈adjunction | adjoint system〉ですよね｡ﾆｮﾛﾆｮﾛ関係式〈snake {law | relation | equat
▽The Endeavour — The blog of John D. Cook ●04/19 04:29 Topological Abelian GroupsPosted on 18 April 2025 by JohnThis post will venture further into abstract mathematics than most of my posts. If this isn’t what you’re looking for, you might try browsing here for more concrete articles.Incidentally, although I’m an applied mathematician, I also appreciate pure math. I imagine most applied mathematicians do as well. But what I do not appreciate is ps
