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Bibliographic Details
Main Author:	Lettich, Richard
Format:	Preprint
Published:	2024
Subjects:	Distributed, Parallel, and Cluster Computing Computational Geometry Data Structures and Algorithms
Online Access:	https://arxiv.org/abs/2406.01739
Tags:	Add Tag No Tags, Be the first to tag this record!

Distributed-Memory Parallel Algorithms for Fixed-Radius Near Neighbor Graph Construction
by: Raulet, Gabriel, et al.
Published: (2025)

Energy-Efficient Aggregation and Minimum-Degree Spanning Trees in Radio Networks
by: Chang, Yi-Jun, et al.
Published: (2026)

Fully-Dynamic Parallel Algorithms for Single-Linkage Clustering
by: De Man, Quinten, et al.
Published: (2025)

Extremely Scalable Distributed Computation of Contour Trees via Pre-Simplification
by: Li, Mingzhe, et al.
Published: (2025)

On Distributed Computation of the Minimum Triangle Edge Transversal
by: Censor-Hillel, Keren, et al.
Published: (2024)

Distributed Approximation Algorithms for Minimum Dominating Set in Locally Nice Graphs
by: Bonamy, Marthe, et al.
Published: (2025)

A Simple and Robust Protocol for Distributed Counting
by: Cohen, Edith, et al.
Published: (2025)

A Simple Distributed Deterministic Planar Separator
by: Abd-Elhaleem, Yaseen, et al.
Published: (2026)

Lagrangian Simulation Volume-Based Contour Tree Simplification
by: Dilys, Domantas, et al.
Published: (2025)

Composable Coresets for Constrained Determinant Maximization and Beyond
by: Mahabadi, Sepideh, et al.
Published: (2022)

Fast Spanning Tree Sampling in Broadcast Congested Clique
by: Anari, Nima, et al.
Published: (2026)

A Simple Distributed Algorithm for Sparse Fractional Covering and Packing Problems
by: Li, Qian, et al.
Published: (2024)

Efficient Distributed Decomposition and Routing Algorithms in Minor-Free Networks and Their Applications
by: Chang, Yi-Jun
Published: (2023)

It's Hard to HAC with Average Linkage!
by: Bateni, MohammadHossein, et al.
Published: (2024)

Fully Scalable MPC Algorithms for Euclidean k-Center
by: Czumaj, Artur, et al.
Published: (2025)

Beyond BFS: A Comparative Study of Rooted Spanning Tree Algorithms on GPUs
by: Sahu, Abhijeet, et al.
Published: (2026)

Improved Approximation Bounds for Minimum Weight Cycle in the CONGEST Model
by: Manoharan, Vignesh, et al.
Published: (2023)

Restructuring expression dags for efficient parallelization
by: Wilhelm, Martin
Published: (2018)

A Fast-Converging Decentralized Approach to the Weighted Minimum Vertex Cover Problem
by: Mordacchini, Matteo, et al.
Published: (2025)

Parallel, Distributed, and Quantum Exact Single-Source Shortest Paths with Negative Edge Weights
by: Ashvinkumar, Vikrant, et al.
Published: (2023)

Parallel Algorithms for Hierarchical Nucleus Decomposition
by: Shi, Jessica, et al.
Published: (2023)

Parallel $k$-Core Decomposition: Theory and Practice
by: Liu, Youzhe, et al.
Published: (2025)

$O(1)$-Round MPC Algorithms for Multi-dimensional Grid Graph Connectivity, EMST and DBSCAN
by: Gan, Junhao, et al.
Published: (2025)

Near-Optimal Distributed Ruling Sets for Trees and High-Girth Graphs
by: Baumecker, Malte, et al.
Published: (2025)

Parallel $k$-Core Decomposition with Batched Updates and Asynchronous Reads
by: Liu, Quanquan C., et al.
Published: (2024)

Near-Optimal Deterministic Network Decomposition and Ruling Set, and Improved MIS
by: Ghaffari, Mohsen, et al.
Published: (2024)

A Simple $(1-ε)$-Approximation Semi-Streaming Algorithm for Maximum (Weighted) Matching
by: Assadi, Sepehr
Published: (2023)

Õptimal Fault-Tolerant Labeling for Reachability and Approximate Distances in Directed Planar Graphs
by: Boneh, Itai, et al.
Published: (2025)

Faster Multi-Source Reachability and Approximate Distances via Shortcuts, Hopsets and Matrix Multiplication
by: Elkin, Michael, et al.
Published: (2025)

A Primal-Dual Framework for Symmetric Cone Programming
by: Zheng, Jiaqi, et al.
Published: (2024)

Narrowing the LOCAL$\unicode{x2013}$CONGEST Gaps in Sparse Networks via Expander Decompositions
by: Chang, Yi-Jun, et al.
Published: (2022)

GPU-RMQ: Accelerating Range Minimum Queries on Modern GPUs
by: Kreis, Lara, et al.
Published: (2026)

Exploiting Multi-Core Parallelism in Blockchain Validation and Construction
by: Karmegam, Arivarasan, et al.
Published: (2026)

Overlay Network Construction: Improved Overall and Node-Wise Message Complexity
by: Chang, Yi-Jun, et al.
Published: (2024)

Harmonic Decomposition in Data Sketches
by: Wang, Dingyu
Published: (2024)

Distributed Stochastic Graph Algorithms
by: Censor-Hillel, Keren, et al.
Published: (2026)

Optimal Distributed Replacement Paths
by: Chang, Yi-Jun, et al.
Published: (2025)

Bounded Memory in Distributed Networks
by: Basat, Ran Ben, et al.
Published: (2025)

Distributed Graph Algorithms with Predictions
by: Boyar, Joan, et al.
Published: (2025)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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