PhD position on Hybrid Methods for Sequential Decision-Making Based on Operation Research and Reinforcement Learning
9 Feb 2024
Job Information
- Organisation/Company
University of Twente (UT)- Research Field
Technology- Researcher Profile
First Stage Researcher (R1)- Country
Netherlands- Application Deadline
25 Mar 2024 - 22:59 (UTC)- Type of Contract
Temporary- Job Status
Not Applicable- Hours Per Week
40.0- Is the job funded through the EU Research Framework Programme?
Not funded by an EU programme- Is the Job related to staff position within a Research Infrastructure?
No
Offer Description
In the past years, Deep Reinforcement Learning methods integrated with planning methods have been very successful in solving complex Sequential Decision Problems, e.g., in games such as Go. These methods can handle very large state spaces, however, less so large action spaces.
The proposed PhD research project aims to develop new hybrid solution approaches for (stochastic) Sequential Decision Problems with discrete, high-dimensional, and linearly constrained decision spaces as often encountered in Operations Research. To this end, the PhD student will integrate (Deep) Reinforcement Learning methods into traditional Operations Research methods, such as Rolling Horizon approaches using Stochastic Programming. In this way, at the time of decision-making, we combine planning by looking ahead and learning from previous experience. We aim to provide theoretical and empirical results, showing the superiority of the new methods compared to the state of the art in terms of computation at the time of decision-making and the quality of the solution. We will transition from problems with known dynamics to (partly) unknown dynamics. Therefore, we will explore solution strategies that transition from robust optimization to distributionally robust optimization and finally to stochastic optimization.
The PhD student will implement the algorithms and apply them to real-world use cases in Healthcare Logistics, such as multi-appointment scheduling, surgery scheduling, and resource allocation in times of scarce healthcare capacity. Therefore, the PhD student will also be part of the inter-faculty group CHOIR (Centre for Healthcare Operations Improvement and Research). CHOIR is a research center within the UT, and it is currently one of the most active and productive research groups in the field of Operations Research and Management in Healthcare. Through Research, Education, and Valorization, we help healthcare practitioners face their complex logistical challenges.
Requirements
Specific Requirements
- You have acquired a Master's degree in mathematics, operations research, econometrics, industrial engineering, or a closely related discipline.
- You are an enthusiastic and highly motivated researcher.
- You have a creative mindset and excellent analytical and communication skills.
- You have a good team spirit and like to work in an interdisciplinary and internationally oriented environment.
- You are proficient in English.
- The UT and the faculty EEMCS are inclusive toward underrepresented groups and strive to increase the proportion of female staff. Female applicants are particularly welcome.
Additional Information
Benefits
- As a PhD candidate at UT, you will be appointed to a full-time position for four years, with a qualifier in the first year, within a very stimulating and exciting scientific environment;
- The University offers a dynamic ecosystem with enthusiastic colleagues;
- Your salary and associated conditions are in accordance with the collective labour agreement for Dutch universities (CAO-NU);
- You will receive a gross monthly salary ranging from € 2.770,- (first year) to € 3.539,- (fourth year);
- There are excellent benefits, including a holiday allowance of 8% of the gross annual salary, an end-of-year bonus of 8.3%, and a solid pension scheme;
- The flexibility to work (partially) from home;
- A minimum of 232 leave hours in case of full-time employment based on a formal workweek of 38 hours. A full-time employment in practice means 40 hours a week, therefore resulting in 96 extra leave hours on an annual basis.
- Free access to sports facilities on campus
- A family-friendly institution that offers parental leave (both paid and unpaid);
- You will have a training programme as part of the Twente Graduate School where you and your supervisors will determine a plan for a suitable education and supervision;
- We encourage a high degree of responsibility and independence, while collaborating with close colleagues, researchers and other staff.
Additional comments
Are you interested in this position? Please send your application via the 'Apply now' button below before March 25, 2024, and include:
- A cover letter (maximum 2 pages A4) emphasizing your specific interest, qualifications, and motivations to apply for this position.
- A Curriculum Vitae, including a list of all courses attended and grades obtained, and, if applicable, a list of publications and references.
- A copy of your Master's thesis or, if it is not yet available, an outline and summary of your thesis.
- An IELTS-test, Internet TOEFL test (TOEFL-iBT), or a Cambridge CAE-C (CPE). Applicants with a non-Dutch qualification and who have not had secondary and tertiary education in English can only be admitted with an IELTS-test showing a total band score of at least 6.5, internet. TOEFL test (TOEFL-iBT) showing a score of at least 90, or a Cambridge CAE-C (CPE).
For more information regarding this position, you are welcome to contact (Anne Zander, [email protected] )
- Website for additional job details
https://www.academictransfer.com/337606/
Work Location(s)
- Number of offers available
- 1
- Company/Institute
- Universiteit Twente
- Country
- Netherlands
- City
- Enschede
- Postal Code
- 7522NB
- Street
- Drienerlolaan 5
- Geofield
Where to apply
- Website
https://www.academictransfer.com/en/337606/phd-position-on-hybrid-methods-for-s…
Contact
- City
Enschede- Website
http://www.universiteittwente.nl/- Street
Drienerlolaan 5- Postal Code
7522 NB
STATUS: EXPIRED
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