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Physics Preprint PDF DOI

A Relativizing MIP for BQP

Scott Aaronson, Anand Natarajan, Avishay Tal, Agi Villanyi ยท 2026

Complexity class containments involving interactive proof classes are famously nonrelativizing: although $\mathsf{IP} = \mathsf{PSPACE}$, Fortnow and Sipser showed that that there exists an oracle relโ€ฆ

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Mathematics Preprint PDF DOI

Mazur's Separable Quotient Problem for Nonseparable Bourgain-Pisier $\mathscr{L}_\infty$-Spaces

Kartik Patri ยท 2026

Mazur's separable quotient problem, open since 1932, asks whether every infinite-dimensional Banach space admits an infinite-dimensional separable quotient. We prove that any $\mathscr{L}_\infty$-spacโ€ฆ

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Physics Preprint PDF DOI

Blue organic light-emitting diodes with over 20% external quantum efficiencies based on Europium(II)-emitters

Mahmoud Soleimani, Toni Barschneider, Felix Kaden, Roman Tkachov, Sebastian Schellhammer, Sebastian Reineke, Carsten Rothe ยท 2026

The realization of blue electroluminescence with high efficiency and lifetime remains a long-standing hurdle for OLED technology to overcome. Divalent Europium [Europium(II)] complexes offer a fundameโ€ฆ

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Chemistry Preprint PDF DOI

Regio-Connectivity and Torsional Angle Effects on Singlet Fission and SOCT-ISC in Aza-BODIPY Dimers

Sophiya Goyal, S. Rajagopala Reddy ยท 2026

Aza-BODIPY dimers represent promising molecular systems for efficient triplet-state generation through either intramolecular-singlet fission (iSF) or spin-orbit charge transfer intersystem crossing (Sโ€ฆ

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Computer Science Preprint PDF DOI

CA-TCN: A Causal-Anticausal Temporal Convolutional Network for Direct Auditory Attention Decoding

Inigo Garcia-Ugarte, Ruben Eguinoa, Ricardo San Martin, Daniel Paternain, Carmen Vidaurre ยท 2026

A promising approach for steering auditory attention in complex listening environments relies on Auditory Attention Decoding (AAD), which aim to identify the attended speech stream in a multiple speakโ€ฆ

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Mathematics Preprint PDF DOI

Compact embeddings of variable exponent Sobolev, Besov, and Triebel-Lizorkin spaces on metric measure spaces

Micha{l} Dymek ยท 2026

We study compact embeddings of Sobolev, Besov, and Triebel-Lizorkin spaces with variable exponents on both bounded and unbounded metric measure spaces. We establish sufficient conditions for compactneโ€ฆ

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AI & Data Science Preprint PDF DOI

A Novel FACS-Aligned Anatomical Text Description Paradigm for Fine-Grained Facial Behavior Synthesis

Jiahe Wang, Cong Liang, Xuandong Huang, Yuxin Wang, Xin Yun, Yi Wu, Yanan Chang, Shangfei Wang ยท 2026

Facial behavior constitutes the primary medium of human nonverbal communication. Existing synthesis methods predominantly follow two paradigms: coarse emotion category labels or one-hot Action Unit (Aโ€ฆ

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Computer Science Preprint PDF DOI

Improved Online Hitting Set Algorithms for Structured and Geometric Set Systems

Sujoy Bhore, Anupam Gupta, Amit Kumar ยท 2026

In the online hitting set problem, sets arrive over time, and the algorithm has to maintain a subset of elements that hit all the sets seen so far. Alon, Awerbuch, Azar, Buchbinder, and Naor (SICOMP 2โ€ฆ

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Computer Science Preprint PDF DOI

Condition-Triggered Cryptographic Asset Control via Dormant Authorization Paths

Jian Sheng Wang ยท 2026

Control of encrypted digital assets is traditionally equated with permanent possession of private keys, a model that precludes regulatory supervision, conditional delegation, and legally compliant traโ€ฆ

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Mathematics Preprint PDF DOI

Properties of best approximations with respect to the Ky Fan $p$-$k$ norm, and the strict spectral approximant of a matrix

Priyanka Grover, Krishna Kumar Gupta ยท 2026

Some questions raised in [K. Zi\k{e}tak, {\it From the strict Chebyshev approximant of a vector to the strict spectral approximant of a matrix}, Warsaw : Banach Center Publ., 112 Polish Acad. Sci. Insโ€ฆ

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AI & Data Science Preprint PDF DOI

Rethinking Code Similarity for Automated Algorithm Design with LLMs

Rui Zhang, Zhichao Lu ยท 2026

The rise of Large Language Model-based Automated Algorithm Design (LLM-AAD) has transformed algorithm development by autonomously generating code implementations of expert-level algorithms. Unlike traโ€ฆ

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Physics Preprint PDF DOI

A Fine-Grained and Efficient Reliability Analysis Framework for Noisy Quantum Circuits

Jindi Wu, Tianjie Hu, Qun Li ยท 2026

Evaluating the reliability of noisy quantum circuits is essential for implementing quantum algorithms on noisy quantum devices. However, current quantum hardware exhibits diverse noise mechanisms whosโ€ฆ

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Computer Science Preprint PDF DOI

Symfrog-512: High-Capacity Sponge-Based AEAD Cipher (1024-bit State)

Victor Duarte Melo ยท 2026

This submission includes a complete reference implementation together with deterministic test vectors and a reproducible benchmark suite. All source code, build instructions, and regression artifacts โ€ฆ

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Physics Preprint PDF DOI

Prediction of room-temperature two-dimensional $\pi$-electron half-metallic ferrimagnets

J. Phillips, J. C. G. Henriques, J. Fernandez-Rossier, A. T. Costa ยท 2026

We propose a strategy to obtain conducting organic materials with fully spin-polarized Fermi surface, lying at a singular flat band, with antiferromagnetically coupled magnetic moments that reside in โ€ฆ

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Mathematics Preprint PDF DOI

On problems of Erd\H{o}s and Baumann-Briggs on minimising the density of $s$-cliques in graphs with forbidden subgraphs

Levente Bodnar, Oleg Pikhurko ยท 2026

Using flag algebras, we prove that the minimum density of $8$-cliques in a large graph without an independent set of size $3$ is $491411/268435456+o(1)$, thus resolving a new case of an old problem ofโ€ฆ

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AI & Data Science Preprint PDF DOI

Alignment Adapter to Improve the Performance of Compressed Deep Learning Models

Rohit Raj Rai, Abhishek Dhaka, Amit Awekar ยท 2026

Compressed Deep Learning (DL) models are essential for deployment in resource-constrained environments. But their performance often lags behind their large-scale counterparts. To bridge this gap, we pโ€ฆ

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Economics & Finance Preprint PDF DOI

Application of Quasi Monte Carlo and Global Sensitivity Analysis to Option Pricing and Greeks

Stefano Scoleri, Marco Bianchetti, Sergei Kucherenko ยท 2026

Quasi Monte Carlo (QMC) and Global Sensitivity Analysis (GSA) techniques are applied for pricing and hedging representative financial instruments of increasing complexity. We compare standard Monte Caโ€ฆ

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Mathematics Preprint PDF DOI

On transcendence of non-periodic continued fractions associated with modular forms and arithmetic functions

Tapas Chatterjee, Sagar Mandal ยท 2026

The purpose of this article is two-folds. Firstly, we establish two sufficient conditions under which the sequence $\{f(n)\pmod{m}: n\geq1\}$ is non-periodic, where $f(n)$ is an arithmetic function. Aโ€ฆ

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AI & Data Science Preprint PDF DOI

Out of the box age estimation through facial imagery: A Comprehensive Benchmark of Vision-Language Models vs. out-of-the-box Traditional Architectures

Simiao Ren, Xingyu Shen, Ankit Raj, Albert Dai, Caroline (Manlin) Zhang, Yuan Xu, Zexi Chen, Siqi Wu, Chen Gong, Yuxin Zhang ยท 2026

Facial age estimation plays a critical role in content moderation, age verification, and deepfake detection. However, no prior benchmark has systematically compared modern vision-language models (VLMsโ€ฆ

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AI & Data Science Preprint PDF DOI

LLaMEA-SAGE: Guiding Automated Algorithm Design with Structural Feedback from Explainable AI

Niki van Stein, Anna V. Kononova, Lars Kotthoff, Thomas Back ยท 2026

Large language models have enabled automated algorithm design (AAD) by generating optimization algorithms directly from natural-language prompts. While evolutionary frameworks such as LLaMEA demonstraโ€ฆ

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