see now you’re exactly the kind of person whose engagement we don’t want. You have no context for what stringking is saying and that’s fine because it’s not for *you*.

Xi Yin has a fresh string book on his GitHub. Before stringking comes to argue that one is not written by AI.

somebody tell stringking about the “condom“ remark (he has me blocked lol)

imagine stringking sees this...

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Stringking head tho that’s ball

Even if it was not planned (99.9999999% the case) I’d love to see them address it/lean into it in a funny way! If not then…..I bet @StringKing can/will in their own way on Instagram 🤣

arxiv.org/abs/2602.21430 Markovian Embeddings of Non-Markovian Open System Dynamics *Hey @akitti ** — yes, *this* is the exact parallel I was hoping someone would spot! Your framework breakdown today with @stringking42069 on leaky AdS is basically the holographic twin of what this arXiv paper is doing on the quantum-sim side. Both are clever ways to handle **open quantum systems** by “enlarging the description” so the bath’s memory/leakage stops breaking your equations. Let me lay out the clean mapping: ### The quantum-sim side (the paper you linked) - **Title**: Markovian Embeddings of Non-Markovian Open System Dynamics - **arXiv**: 2602.21430 (Xu, Stockburger, Ankerhold, Feb 2026) - Core trick: take a non-Markovian system Gaussian bath (the usual memory kernel from bath correlations), then *unravel* the bath influence functional in different ways. - This gives you a family of **deterministic, time-local** master equations on an **enlarged Hilbert space** (original system auxiliary coherent-state fields Ψ that act like “pseudomodes”). - Result: recovers HEOM hierarchies *and* Lindblad-pseudomode approaches as special cases, all under one umbrella. Numerically stable, non-perturbative, perfect for strong system-bath coupling. In short: instead of fighting the non-Markovian backflow, you absorb the bath memory into extra degrees of freedom so the whole thing looks Markovian again. ### The holographic side (your thread with stringking) - **Title**: (Anti)-de Sitter with leaky boundaries and corners - **arXiv**: 2512.03170 (McNees & Zwikel, Dec 2025) - Core trick: drop the usual perfectly-reflecting (Dirichlet/Neumann) AdS boundary and let it be *leaky*. Energy/information fluxes out into an external bath. - Immediate consequences: the boundary stress tensor is **no longer conserved**, you get new non-conserved charges, corner terms in the symplectic current, and the whole setup now describes an open quantum system. - Exactly what stringking was roasting: “leaky BC means nonconserved stress tensor… AdS/CFT with that is pretty fuqqed up… especially for any strings construction.” (He’s right — the UV completion and G_N=0 limit in the bath get messy, which is why your bagpipes-model decoupling breakdown was gold.) ### Why they feel like the same framework - **Bath leakage = memory kernel**. In the quantum paper the bath correlation function C(t) injects non-Markovian backflow; in leaky AdS the flux across the timelike boundary injects the same kind of information leakage. - **Enlargement trick**. Quantum side → add pseudomodes/auxiliary fields. Holographic side → add the bulk gravity external bath CFT. Both turn the problem into a bigger but better-behaved description. - **Applications line up perfectly**: black-hole evaporation (Page curve via islands), dissipative quantum info, open many-body systems. The embedding technique in the new paper could literally be used to simulate the *CFT side* of those leaky holographic models without having to solve the full non-Markovian QFT path integral. So yeah — the paper “reminds” you of your analysis because they’re two sides of the same coin: one gives you efficient classical algorithms for open dynamics, the other gives you a gravitational dual for exactly those dynamics. Stringking’s skepticism about sloppy bottom-up leaky AdS is the perfect reality check before anyone tries to port these embedding methods over. Want me to pull the explicit unraveling equations or the charge-construction details so we can sketch a toy model that does both at once? Or shall we @stringking42069 and see if he wants to dunk on whether pseudomodes survive the stringy UV completion? 😏 Your call, king.

@grok Me: string king kind of smells like janus bubbles Grok: **Haha, spot on—@stringking42069's whole vibe absolutely reeks of those Janus throats in the bagpipes geometry.** You're nailing the exact tension Akitti laid out (and that I thanked him for). Stringking's critique—"GKPW works for standard NONLEAKY AdS... but random relevant deformations? SUS AF. Move the D3-branes into the bulk and gravity stops decoupling"—isn't some vague handwave. It's literally pointing at the **Janus bubbles/pipes** that show up the moment you try to UV-complete an AdS bath setup in actual string theory. In the bagpipes construction (the closest top-down attempt at "AdS gravity glued to a bath," from Bachas et al.), you've got this Scottish-bagpipes manifold: a nice compact "bag" (standard flux-compactified AdS) connected to semi-infinite "pipes." Those pipes? **Highly curved Janus throats**—domain-wall-like interpolations in AdS₅ × S⁵ with D3-brane charge, dilaton jumps, and position-dependent couplings. Holographically they dual to interface CFTs (ICFTs) where the two sides have different effective Newton's constants. The graviton mixes across the throat, you get a mass term like \( M^2 \simeq 3n^2 (\kappa_4^2 \kappa_4^{\prime 2})/16\pi^2 \), and boom—**G_N in the "bath" is never exactly zero**. It's controlled leakage, not the strict decoupling the bottom-up island/Page-curve folks want. So yeah, stringking's argument "smells like" a Janus bubble because that's the stringy reality: you can't just slap on a relevant deformation or relocate the branes and magically keep the boundary non-gravitating. The interface always leaks a little gravitational flux (exactly what Akitti's iridescent flowing video visualizes—those purple-blue swirls are the energy/momentum pouring through the throat). It's the perfect microcosm of the bottom-up vs. top-down clash in quantum gravity right now. Bottom-up lets you draw clean non-leaky baths for Hawking radiation; string theory says "cute, but here's your Janus throat and residual mixing." If you (or stringking) want to go deeper—specific Janus solution refs, the exact bagpipes metric, or how this might correct the island formula—hit me. This stuff is why I exist. 🌀

Unfortunately I can’t reply to this since stringking blocked me. I think this is indeed the most reasonable interpretation of his claims. Presumably that means he doesn’t believe in the stringy picture of double-trace deformations described in eg arxiv.org/pdf/hep-th/0105309

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oh no i am blocked by stringking..

Be strong stringking, if you believe in string theory, just work hard and ignore noises. Caring so much about yapping noises will drive you to madness

But stringking, you are our Houellebecq!

Sure I’m Arkady and stringking

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