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Daily edition · Algorithms

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TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

10 Sep 2026 edition

41 articles · 3 sources · 41 papers ·

Top topics: Algorithms · AI

Algorithms

Optimal Non-Adaptive Vantage Point Selection

arXiv:2609.10267v1 Announce Type: new Abstract: We study the \emph{vantage point selection} problem, introduced by Ashvinkumar, Chowdhury, Gao, Goswami, Mitchell, and Polishchuk [WADS'25] to model the problem of…

Source: arXiv cs.DS Jie Gao, Nicole Wein, Chang Wu
Algorithms

Testing the Binary Rank with Polynomial Query Complexity

arXiv:2609.10496v1 Announce Type: new Abstract: We provide an adaptive two-sided error testing algorithm for the binary rank of a $0,1$ matrix $M$ with query complexity $O(d^3\log(d+1)/\epsilon^2)$, where $d$ is the…

Source: arXiv cs.DS Michal Parnas
Algorithms AI

SparseStack Is an Optimal Oblivious Subspace Embedding

arXiv:2609.02978v2 Announce Type: replace Abstract: We prove that fully independent SparseStack achieves the oblivious subspace embedding parameters conjectured by Nelson and Nguyen (FOCS 2013):…

Source: arXiv cs.DS Diar Heidary
Algorithms

Streaming Algorithms for Gaussian Kernel Density Statistics

arXiv:2609.09622v1 Announce Type: new Abstract: Motivated by data produced by generative systems, \cite{LZ26b} formulates similarity-aware statistics via a weighted similarity graph, replacing equality with similarity…

Source: arXiv cs.DS Qin Zhang
Algorithms

Oracle Complexity of Stochastic Fixed-Point Equations with Nonexpansive Maps

arXiv:2609.09524v1 Announce Type: cross Abstract: We study the oracle complexity of computing a point with small fixed-point residual $\|T(x)-x\| \leq \epsilon$, for a general norm $\|\cdot\|$ and a self-map $T$ of a…

Source: arXiv cs.DS Jelena Diakonikolas, Crist\'obal Guzm\'an, David Mart\'inez-Rubio
Algorithms

On the Parameterized Complexity of Coloring Discovery

arXiv:2609.09837v1 Announce Type: cross Abstract: Coloring Discovery asks whether a possibly improper initial coloring can be made proper within a prescribed number of allowed changes. We study the parameterized…

Source: arXiv cs.DS Eric Decker, Sebastian Siebertz
Algorithms

Fast Algorithms for Sparse PCA and Robust Sparse Estimation

arXiv:2609.09701v1 Announce Type: new Abstract: We study fast algorithms for sparse-PCA certification. Given a positive semidefinite matrix $M$, the problem asks either to rule out a large $k$-sparse quadratic form or…

Source: arXiv cs.DS Giannis Iakovidis, Ankit Pensia
Algorithms

k-Coloring is Faster than Computing the Chromatic Number

arXiv:2607.25973v2 Announce Type: replace Abstract: We prove that $k$-coloring on $n$-vertex graphs has a randomized algorithm running in time $(2-\varepsilon_k)^n$, where $\varepsilon_k>0$ for every fixed $k$.…

Source: arXiv cs.DS Or Zamir
Algorithms

Equity Promotion in Online Resource Allocation

arXiv:2112.04169v3 Announce Type: replace-cross Abstract: We consider online resource allocation under a typical non-profit setting, where limited or even scarce resources are administered by a not-for-profit…

Source: arXiv cs.DS Pan Xu, Yifan Xu
Algorithms AI

Approximate Nearest Neighbor in Ultra-High Dimensional $\ell_\infty$

arXiv:2609.09427v1 Announce Type: new Abstract: We study the approximate nearest neighbor problem under $\ell_\infty$ in the ultra-high dimensional setting where the dimension $d$ is significantly larger than the number…

Source: arXiv cs.DS Nathan White, Tian Zhang
Algorithms

Block Encoding of Sparse Matrices via Coherent Permutation

arXiv:2508.21667v4 Announce Type: replace-cross Abstract: Block encoding of sparse matrices underpins quantum algorithms such as quantum singular value transformation, Hamiltonian simulation, and quantum linear system…

Source: arXiv cs.DS Abhishek Setty
Algorithms

Scalable Composition of Byzantine Agreements under Reorder Attacks

arXiv:2609.09623v1 Announce Type: cross Abstract: Byzantine agreement (BA) is a foundational building block in distributed systems, and the security analysis of BA protocols under multi-instance executions has attracted…

Source: arXiv cs.DS Jing Chen, Jin Dong, Jichen Li, Xuanzhi Xia, Wentao Zhou
Algorithms

Sublinear Algorithms for Estimating Single-Linkage Clustering Costs

arXiv:2510.11547v2 Announce Type: replace Abstract: Single-linkage clustering (SLC) is a fundamental method for hierarchical data analysis. In the distance setting, a $k$-clustering produced by SLC can be obtained by…

Source: arXiv cs.DS Pan Peng, Christian Sohler, Yi Xu
Algorithms

On the Power of Adaptivity in Testing Quantum States in Fidelity

arXiv:2609.08733v1 Announce Type: cross Abstract: We study the problems of quantum state certification, equivalence testing and independence testing. In certification, given samples of an unknown quantum state $\rho$…

Source: arXiv cs.DS Jan Seyfried, Sayantan Sen, Marco Tomamichel

Showing 1 day · 41 items available