A stochastic programming approach for dynamic allocation of bed capacity and assignment of patients to collaborating hospitals during pandemic outbreaks

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Baas, Stef, Dijkstra, Sander, Boucherie, Richard J., Zander, Anne
Format:	Preprint
Published:	2023
Subjects:	Optimization and Control
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Operating room planning with pooling downstream beds among specialties: A stochastic programming approach
by: Andam, Arian, et al.
Published: (2026)

Multistage stochastic optimization for drayage procurement in container logistics using stochastic dual dynamic programming
by: Vassos, Georgios, et al.
Published: (2025)

Exploring the potential resource integration under passenger-freight shared mobility: collaborative optimization of multi-type bus scheduling and dynamic vehicle capacity allocation for urban-rural bus routes
by: Wu, Jiabin, et al.
Published: (2025)

A stochastic integer programming approach to reserve staff scheduling with preferences
by: Perreault-Lafleur, Carl, et al.
Published: (2022)

Balancing adaptability and predictability: K-revision multistage stochastic programming
by: Wang, Chengwenjian, et al.
Published: (2026)

Managing delay in tail assignment: from minimum turn time to stochastic routing at Air France
by: Baty, Léo, et al.
Published: (2026)

Management strategies for hydropower plants a simple dynamic programming approach
by: Olofsson, Marcus, et al.
Published: (2023)

A Bi-Objective Markov Decision Process Design approach to redundancy allocation with dynamic maintenance for a parallel system
by: Fairley, Luke, et al.
Published: (2025)

Cost allocations in interval inventory situations: the SOC and Shapley approaches
by: Gonçalves-Dosantos, J. C., et al.
Published: (2025)

Team problems and stochastic programming
by: Evstigneev, Igor V., et al.
Published: (2025)

Optimal participation of energy communities in electricity markets under uncertainty. A multi-stage stochastic programming approach
by: Vilalta, Albert Solà, et al.
Published: (2025)

Neural networks for multi-horizon stochastic programming
by: Zhang, Hongyu, et al.
Published: (2025)

Relationship between maximum principle and dynamic programming principle for recursive optimal control problem of stochastic evolution equations
by: Hu, Ying, et al.
Published: (2025)

Dynamic programming and dimensionality in convex stochastic optimization and control
by: Pennanen, Teemu, et al.
Published: (2025)

Optimal bounds for numerical approximations of finite horizon problems based on dynamic programming approach
by: de Frutos, Javier, et al.
Published: (2026)

Model-free stochastic linear quadratic design by semidefinite programming
by: Guo, Jing, et al.
Published: (2024)

Probabilistic analysis of dual decomposition on two-stage stochastic integer programs
by: Dey, Santanu S., et al.
Published: (2026)

Stochastic Origin Frank-Wolfe for traffic assignment
by: Ignashin, Igor, et al.
Published: (2025)

Exploiting the polyhedral geometry of stochastic linear bilevel programming
by: Muñoz, Gonzalo, et al.
Published: (2022)

A decomposition algorithm for two-stage stochastic programs with approximate rotational invariance
by: Bakhshi, Marzieh, et al.
Published: (2024)

A characteristic function framework for chance constraint programming in stochastic model predictive control
by: Ying, Yuwei, et al.
Published: (2026)

Computer-aided analyses of stochastic first-order methods, via interpolation conditions for stochastic optimization
by: Rubbens, Anne, et al.
Published: (2025)

Automated decision-making for dynamic task assignment at scale
by: Bianco, Riccardo Lo, et al.
Published: (2025)

Using a generative model for out-of-sample testing of two-stage stochastic programs
by: Shukla, Ashutosh, et al.
Published: (2026)

Column generation for multistage stochastic mixed-integer nonlinear programs with discrete state variables
by: Rathi, Tushar, et al.
Published: (2024)

Timeslot allocation for waiting list control
by: van der Vlugt, Y. M., et al.
Published: (2024)

Adaptive Benders decomposition and enhanced SDDP for multistage stochastic programs with block-separable multistage recourse
by: Mazzi, Nicolò, et al.
Published: (2025)

An integer programming approach for quick-commerce assortment planning
by: Chen, Yajing, et al.
Published: (2024)

A novel L-shaped refinement chain cuts method for two-stage stochastic programs
by: Hewitt, Mike, et al.
Published: (2026)

A two-stage stochastic programming model for electric substation flood mitigation prior to an imminent hurricane
by: Austgen, Brent, et al.
Published: (2023)

Cost allocation problems on highways with grouped users
by: Gómez-Rodríguez, Marcos, et al.
Published: (2023)

Fairness by design in shared-energy allocation problems
by: Fornier, Zoé, et al.
Published: (2024)

Reflected stochastic recursive control problems with jumps: dynamic programming and stochastic verification theorems
by: Liu, Lu, et al.
Published: (2025)

A combinatorial approach to Ramana's exact dual for semidefinite programming
by: Pataki, Gabor
Published: (2025)

Directional first order approach for a class of bilevel programs
by: Bai, Kuang, et al.
Published: (2026)

Mixed-integer linear programming approaches for tree partitioning of power networks
by: Lan, Leon, et al.
Published: (2021)

Optimizing vaccine allocation in an age-structured SIR model
by: Almeida, Luís, et al.
Published: (2026)

Dynamic resource allocation in eukaryotic Resource Balance Analysis
by: Arjmand, Saeed Sadeghi
Published: (2026)

A vector linear programming approach for certain global optimization problems
by: Ciripoi, Daniel, et al.
Published: (2017)

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
language	"en"
ui	"standard"
VUFIND_SESSION	"7dd7ed76b555219493f724d59c3a43e8"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790827072.9049 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "7dd7ed76b555219493f724d59c3a43e8" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

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	"language=en; ui=standard; VUFIND_SESSION=7dd7ed76b555219493f724d59c3a43e8"
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	"216.73.216.147"
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	"5935"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2311_15898/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2311_15898/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790827072.9006
REQUEST_TIME	1790827072

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"en"
ui	"standard"
VUFIND_SESSION	"7dd7ed76b555219493f724d59c3a43e8"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790827072.9049 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "7dd7ed76b555219493f724d59c3a43e8" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

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	"language=en; ui=standard; VUFIND_SESSION=7dd7ed76b555219493f724d59c3a43e8"
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	"216.73.216.147"
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	"5935"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2311_15898/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2311_15898/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790827072.9006
REQUEST_TIME	1790827072

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Similar Items

Similar Items

Environment & details:

Environment & details: