Breaking the Tractability Barrier: A Generic Low-Level Solver for NP-Hard Instances (N=63) on Commodity 64-Bit Silicon

Fuente: Zenodo

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	Pirolo, Andrés Sebastián
Format:	Recurso digital
Sprache:	Englisch
Veröffentlicht:	Zenodo 2026
Schlagworte:	Pvsnp Npvsp Hamiltonian Path Problem Thermodynamic Computing
Online-Zugang:	Acceder al recurso
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Ähnliche Einträge

A Generic Low-Level Solver for NP-Hard Instances (N=63) on Commodity 64-Bit Silicon Breaking the Tractability Barrier:
von: Pirolo, Andrés Sebastián
Veröffentlicht: (2026)

Gravity as Information Path Locking: A Post-Relativistic Framework
von: Rezapour, Majid, et al.
Veröffentlicht: (2025)

Cutting path as a Rural Postman Problem: solutions by Memetic Algorithms
von: Ana Maria Rodrigues
Veröffentlicht: (2012)

Hybrid GRASP with Composite Local Search And Path-Relinking for the Linear Ordering Problem with Cumulative Costs
von: David Terán Villanueva
Veröffentlicht: (2012)

Negentropic Thermal Gradients: Experimental Evidence of Entropy Decrease Driven by Active Heat Flux
von: Guzzon, Andre
Veröffentlicht: (2026)

Mathematical Aspects of Quantum Systems with a Pseudo-Hermitian Hamiltonian
von: N. Bebiano
Veröffentlicht: (2016)

AI-Driven Resonant Reconfiguration of Spacetime: Toward Adaptive and Conscious Gravitational Fields
von: Rezapour, Majid, et al.
Veröffentlicht: (2025)

Resolution of the Wave-Particle Duality via Anchoring to the Angular Potential of the PR -TAU 5.0 Protocol
von: Moulin, Pascal
Veröffentlicht: (2025)

Path Creation, Path Dependence and Breaking Away from the Path: Re-Examining the Case of Nokia
von: Jens Wang
Veröffentlicht: (2016)

Times of Execution of the Quantum NOT Gate Operating on One of Two Interacting Qubits
von: Manuel Ávila
Veröffentlicht: (2015)

Efficient data transfer in mobile ad-hoc network using OPSM for disaster response applications
von: V. Bhanumathi
Veröffentlicht: (2015)

Synchronization of Irregular Complex Networks with Chaotic Oscillators: Hamiltonian Systems Approach
von: C. Posadas-Castillo
Veröffentlicht: (2014)

Passivity-Based Control for DC-Microgrids with Constant Power Terminals in Island Mode Operation
von: Duberney Murillo-Yarce
Veröffentlicht: (2018)

Reconciling Thermodynamics and Quantum Mechanics with the Harmonic Divisor Fan (HDF) Lattice.
von: Okolo, Hanyelichukwu Paul
Veröffentlicht: (2025)

The Inherent Contradictions Between 4D Relativity and Emergent Temporal Dynamics: A Spectral-Geometric Critique of the Space-Time Paradigm
von: Lindenhayn, Mark
Veröffentlicht: (2025)

Guaranteed Yet Hard to Find: Uncovering FPGA Routing Convergence Paradox
von: Shrivastava, Shashwat, et al.
Veröffentlicht: (2025)

Entrevista en La Cresta de la Onda para Radio Exterior de España.
von: Orea, Fernando, et al.
Veröffentlicht: (2025)

Digital Circuitality II: An Information-Theoretic Framework for Computation (v2, Kish-corrected)
von: Perez Lopez, Carlos
Veröffentlicht: (2026)

Stoquastic Hamiltonians and the Monte Carlo sign problem
von: Marios Ioannou
Veröffentlicht: (2019)

Making hidden symmetries obvious
von: G. F. Torres del Castillo
Veröffentlicht: (2008)

Mirror potentials in classical mechanics
von: G. F. Torres del Castillo
Veröffentlicht: (2006)

Why Most Things Don't Stay Made: Entropy, Thermodynamics, and the Rarity of Persistence in Chemistry
von: Rick - PraxisFoundry001
Veröffentlicht: (2026)

Mapping the intrinsic stochasticity of tokamak divertor configuration
von: E. Chávez-Alarcón
Veröffentlicht: (2006)

Co‑Located Liquid‑Cooled Data Centres and Offices: Waste‑Heat‑Driven Summer Cooling and Heat‑Pump‑Augmented Winter Heating
von: Solanki, Shyamal
Veröffentlicht: (2026)

A Selfconsistent Calculation of the Transport Properties of a Double Barrier Spin Filter
von: I. C. da Cunha Lima
Veröffentlicht: (2006)

Correlation and path coefficient analysis in pomegranate (Punica granatum L.)
von: M.M. Mir
Veröffentlicht: (2006)

V21 - Cosmic Meta-Lagrangian Field Theory: Universal Emergence Hierarchy and Hilbert's Sixth Problem Realization in RSI
von: Camaron, Foster
Veröffentlicht: (2025)

Laceability Partition Dimension of Some Special Graphs
von: Manjula M, et al.
Veröffentlicht: (2024)

Decay of Quantum Coherence in the Presence of Informational Interaction
von: Machado, Matheus
Veröffentlicht: (2025)

Solution for the dispersive and dissipative atom-field Hamiltonian under time dependent linear amplification processes
von: R. Juárez-Amaro
Veröffentlicht: (2011)

Hamiltonian dynamics: four dimensional BF-like theories with a compact dimension
von: A. Escalante
Veröffentlicht: (2016)

A remark on the stability of solitary waves for a 1-D Benney-Luke equation
von: Eduardo Ibargüen Mondragón
Veröffentlicht: (2006)

Stabilization of a brushed DC motor with the port controlled Hamiltonian approach
von: Atilio Morillo Piña
Veröffentlicht: (2006)

Physical Limits on Phenomenal Intensity in Biological Brains: The Absolute Ceiling for Darwinian Consciousness in Refusal-Driven Dimensionality Reduction Theory (RDRT)
von: Waterman, Alastair
Veröffentlicht: (2025)

Thermodynamics and Equation of State of Seawater. TEOS-10
von: Alverson, Keith
Veröffentlicht: (2009)

Aplicaciones de la teoría de Path Dependence : La politica pesquera comunitaria (UE) y la politica pesquera en México
von: Ponce-Díaz, G. & F. González-Laxe
Veröffentlicht: (2017)

Studies on correlation and path analysis in mutants of Coleus (Coleus forskohlii Briq.) for yield and forskolin content in V2 M1 generation
von: M. Velmurugan
Veröffentlicht: (2009)

Optimal Control of Dual Arm Manipulation for Flapping-Wing Robots in the Post-Perching Phase
von: Sadeghi Kordkheili, Sahar, et al.
Veröffentlicht: (2025)

An Improved Gauge Unfixing Formalism and the Abelian Pure Chern Simons Theory
von: Jorge Ananias
Veröffentlicht: (2007)

Gamow vectors and Supersymmetric Quantum Mechanics
von: Oscar Rosas-Ortiz
Veröffentlicht: (2007)

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'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"fb7d109d612431f3a8ffb4d8273576d9"
ui	"standard"
language	"de"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790949473.5001 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "fb7d109d612431f3a8ffb4d8273576d9" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1760}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"VUFIND_SESSION=fb7d109d612431f3a8ffb4d8273576d9; ui=standard; language=de"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.142"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"18298"
REDIRECT_URL	"/Record/zenodo_https___doi_org_10_5281_zenodo_18627662/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/zenodo_https___doi_org_10_5281_zenodo_18627662/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790949473.4949
REQUEST_TIME	1790949473

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler