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Bibliographic Details
Main Author:	Fernando Cruz Aranda
Format:	Artículo científico
Language:	en
Published:	Universidad Nacional Autónoma de México 2019
Subjects:	Administración y Contabilidad I1 C63 C65 G13 H43
Online Access:	https://www.redalyc.org/articulo.oa?id=39571679014 https://www.redalyc.org/journal/395/39571679014/ https://www.redalyc.org/journal/395/39571679014/html/ https://www.redalyc.org/journal/395/39571679014/39571679014.epub https://www.redalyc.org/journal/395/39571679014/movil
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Reversión a la media en las series de precios reales del petróleo en México
by: José Carlos Ramírez Sánchez
Published: (2020)

MODELOS DE VALORACIÓN DE OPCIONES EUROPEAS EN TIEMPO CONTINUO
by: Jaime Villamil
Published: (2006)

Analyzing the Error of Generative Diffusion Models: From Euler-Maruyama to Higher-Order Schemes
by: Pfarr, Emanuel, et al.
Published: (2026)

Incertidumbre del precio internacional del petróleo y rendimientos accionarios en México a través de un SVAR-MGARCH
by: Domingo Rodríguez Benavides
Published: (2019)

Methodology for ontology design and construction
by: Maricela Bravo
Published: (2019)

Valuing a natural gas pipeline expansion project: A copula-TGARCH application in Mexico
by: Ricardo Massa Roldán
Published: (2019)

Ensemble Kalman Filter for Data Assimilation coupled with low-resolution computations techniques applied in Fluid Dynamics
by: Jeanney, Paul, et al.
Published: (2025)

Modelo de fiabilidad y validez de la fuerza competitiva de Porter “amenaza de entrantes potenciales”: hallazgos desde el sector financiero colombiano
by: Néstor Fernando Niño Durán
Published: (2020)

Factores clave de la cadena logística del comercio exterior de un puerto mexicano: análisis a través de redes neuronales artificiales
by: América Ivonne Zamora Torres
Published: (2019)

Comparison of the GARCH and stochastic models: An application to the Mexican peso-us dollar exchange rate
by: Ezequiel Avilés Ochoa
Published: (2021)

HARPPP: Autonomous Geometric Design Optimisation of Stirred Tank Reactor Impellers and Baffles
by: Nicusan, A. Leonard, et al.
Published: (2025)

Valor en riesgo en el sector petrolero: un análisis de la eficiencia en la medición del riesgo de la distribución α-estable versus las distribuciones t-Student generalizada asimétrica y normal
by: Ramona Serrano Bautista
Published: (2020)

Pendulum Model of Spiking Neurons
by: Bose, Joy
Published: (2025)

Una medida de eficiencia de mercado. Un enfoque de teoría de la información
by: Reyna Susana García Ruiz
Published: (2014)

RANDSMAPs: Random-Feature/multi-Scale Neural Decoders with Mass Preservation
by: Patsatzis, Dimitrios G., et al.
Published: (2026)

BurTorch: Revisiting Training from First Principles by Coupling Autodiff, Math Optimization, and Systems
by: Burlachenko, Konstantin, et al.
Published: (2025)

Determinación de multas fiscales atendiendo a los principios de proporcionalidad y equidad utilizando lógica difusa
by: Cuauhtémoc Guerrero Dávalos
Published: (2021)

Valuación de opciones sobre índices de la temperatura de la Ciudad de México
by: José Antonio Climent Hernández
Published: (2021)

Transformer self-attention encoder-decoder with multimodal deep learning for response time series forecasting and digital twin support in wind structural health monitoring
by: Zhou, Feiyu, et al.
Published: (2026)

Predicción de opinión going concern en clubes de fútbol: evidencia para la liga española
by: David Alaminos
Published: (2020)

A dynamical model of platform choice and online segregation
by: Banisch, Sven, et al.
Published: (2024)

NeurOptimisation: The Spiking Way to Evolve
by: Cruz-Duarte, Jorge Mario, et al.
Published: (2025)

Reinterpreting EMML as Mirror Descent for Constrained Maximum Likelihood Estimation
by: Clerc, Antonin, et al.
Published: (2026)

Probability-One Optimization of Generalized Rayleigh Quotient Sum For Multi-Source Generalized Total Least-Squares
by: Friml, Dominik, et al.
Published: (2025)

Faster Forward Sensitivities: Reduced stochastic hedge ratios from pathwise algorithmic differentiation
by: Fries, Christian P
Published: (2026)

New constructions of biharmonic polynomial maps between spheres
by: Ambrosie, Rares
Published: (2025)

What if Merkel had acted like Johnson against COVID-19?
by: Patrick Mellacher
Published: (2021)

The weighted average cost of capital (wacc) for firm valuation calculations: a reply
by: Ignacio Vélez-Pareja
Published: (2011)

Estimación del riesgo de crédito en proyectos de infraestructura mediante modelos estructurales
by: Carlos Andrés Zapata Quimbayo
Published: (2021)

Thermodynamic Constraints Drive Hierarchical Preemption in Cellular Decision-Making: A Hybrid Petri Net Framework with Application to Bacillus subtilis Sporulation
by: Simao, Eugenio
Published: (2026)

La dependencia del Índice de Precios y Cotizaciones de la Bolsa Mexicana de Valores (IPC) con respecto a los principales índices bursátiles latinoamericanos
by: Roberto Joaquín Santillán Salgado
Published: (2018)

Spectral Theory of Almost Periodic Banach--Malcev Algebras and Applications to Moufang Dynamics
by: Ennaceur, Marwa
Published: (2025)

Modeling and analysis methods for early detection of leakage points in gas transmission systems
by: Aliyev, Ilgar
Published: (2025)

Mercados, volatilidad y gestión de futuros en México: el empleo del método ARCH y GARCH
by: Fernando Gaona Montiel
Published: (2020)

An Indoor Radio Mapping Dataset Combining 3D Point Clouds and RSSI
by: Milosheski, Ljupcho, et al.
Published: (2025)

On Mixed-Precision Iterative Methods and Analysis for Nearly Completely Decomposable Markov Processes
by: Kalantzis, Vasileios, et al.
Published: (2025)

Elastic Analysis of Augmented Curves and Constrained Surfaces
by: Nava-Yazdani, Esfandiar
Published: (2024)

Disminuir el costo de las pensiones: una alternativa desde los mercados financieros de Colombia y México
by: Gabriel Alberto Agudelo-Torres
Published: (2020)

Explainable and Class-Revealing Signal Feature Extraction via Scattering Transform and Constrained Zeroth-Order Optimization
by: Saito, Naoki, 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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