The Reading Corner

Critical 2D KPZ: Making Sense of a Singular Stochastic Film

Introduction: the 2D KPZ problem that refuses to behave If you’ve heard of the KPZ equation, you probably remember the...

Oct 29, 2026 0

Token-Sliding Reconfiguration on Trees (Fast Test for `k`-Path Covers)

Imagine you have a tree-shaped network and you’re allowed to “slide” markers along edges—one step at a time—while keeping a...

Oct 28, 2026 0

Best PromptBase Alternatives in 2026 (Free and Cheaper)

PromptBase sells AI prompts one at a time, from $2.99 each, or 10 downloads a month with Select at $19...

Oct 28, 2026 0

Best PromptPerfect Alternatives in 2026 (After the Shutdown)

PromptPerfect, Jina AI's prompt optimizer, is no longer available after 1 September 2026. We compare six live replacements, with prices...

Oct 28, 2026 0

AI Changes the Value of Schooling vs Experience (Returns)

Generative AI isn’t just changing jobs—it’s changing which human skills are scarce. That’s the core idea in new research based...

Oct 28, 2026 0

Agentic AI may be reshaping arXiv submissions—here’s the signal

If you’ve felt like arXiv is getting weirdly busy , you’re not imagining it. New research from [Contaldi (2026)](https://arxiv.org/abs/2610.34449) digs...

Oct 27, 2026 0

LLM Engineering Map: Training, Prompts, RAG, and Trust

(An engineer’s plain-language guide based on new research) Introduction If you’ve ever pasted a function, an error message, or a...

Oct 27, 2026 0

Kempe Color-Change Reachability on Claw-Free Graphs

(PSPACE-Complete even for Regular Line Graphs) Introduction If you’ve ever played with “local moves” in puzzles, you already have the...

Oct 26, 2026 0

LLM Autobiographies and the Politics of “Being Seen” Online

Have you ever pasted a prompt like “describe me based on our chats” and felt that weird mix of comfort...

Oct 26, 2026 0

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