Questions tagged [reference-request]

For questions asking for references from the literature or textbooks on specific topics.

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3
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0answers
15 views

What are some references for Fluid and Diffusion models in Queuing?

In queuing theory and stochastic process, there are many papers that have applied fluid and diffusion models to approximate the original models. However, the concepts and basics of these models are ...
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1answer
89 views

Reference for algorithms and complexity

What kind of background in algorithms and complexity theory is needed to fully understand the computational aspects of an OR paper. To be specific, I am not always sure when a paper says 'XYZ problem ...
6
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1answer
92 views

Is there any academic reference which suggests/uses dual values as initialization of Lagrangian multipliers?

The Lagrangian relaxation approach is used to generate lower (upper) bounds for minimization (maximization) problems by moving some constraints to the objective function and multiplying them by "...
4
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3answers
173 views

Overview of the different areas of OR and optimization

I am somewhat new to OR. I have taken up courses on Linear Programming, Game Theory and Queueing Theory and I know a bit of Dynamic Programming. Soon I shall be doing a project on OR or Optimization ...
3
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2answers
102 views

Literature for building solver portfolios

A portfolio of solvers is a collection of solvers with different configurations that share CPU time, CPU cores, and memory resources and try to get an answer as soon as possible. Solvers might also ...
1
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1answer
153 views

References to publications on representation of any boolean function as a system of linear inequalities

It is known that any boolean function may be represented, in some sense, as a system of linear inequalities. But my rather intensive literature search brought a little references. I will appreciate ...
2
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1answer
93 views

Any good resource for solving power system optimization in GAMS?

I am looking for some resources to learn the modelling tricks of GAMS in power system optimisation problems.
5
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1answer
78 views

Logic-based Benders decomposition with integer master variables

I am looking for a paper/study in which a Logic-based Benders decomposition (LLBD) framework is used when the master problem is associated with integer variables (not specifically binary). In general ...
0
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0answers
43 views

Recommendations on Operations Statistics/Analytics Approaches/Materials

I'm an operations data analyst. I was wondering if I can get recommendations on books/videos on statistical models specific to optimizing business operations through analytics and statistical modeling....
12
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6answers
885 views

Where can I find documentation on good practices for efficient formulations of a problem?

I am sort of new to mathematical optimization and have to build some fairly complicated models for my thesis. I was wondering where I could find literature to help me develop more efficient versions ...
2
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2answers
75 views

IP model for k-rooted spanning forest

I am looking for an IP model for finding a $k$-rooted minimum spanning forest on an undirected graph $G$. Given a set of roots $R$ and a set of nodes $N$ $(R\cap N=\emptyset)$, I would find a forest ...
6
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1answer
53 views

Real-life timetabling problems in education

I am looking for papers/resources that deal with timetabling problems in education. I want the resources to cover as much information as possible: I don't have enough contact with people who are ...
8
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5answers
656 views

Paper suggestions on local search algorithms

I am looking for papers (or any resources) that go deep into the details of implementing local search algorithms. I don't want an introductory paper on the subject. Rather, I would prefer a survey ...
4
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3answers
543 views

Textbook recommendation for linear programming decomposition fundamentals

I am looking for a textbook on linear programming decomposition fundamentals. The book should be clear and easy-to-follow for self study and should include examples to illustrate the concepts.
4
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1answer
72 views

Does anybody know the complexity of finding a maximum clique in circulant graphs?

I would be interested in knowing if finding a maximum clique in circulant graphs is NP-hard? Does anybody have any pointers or papers to suggest?
5
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0answers
54 views

Reference request — fishery yield optimization

I'm looking for references to do a review of research on managing fisheries in industry. I've seen adaptions of population growth models which include some harvesting constant or function and was ...
6
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2answers
93 views

How to learn about some general Issues related to solvers?

I have found the following slides of talks: Consistency in solvers Performance variability in mixed integer programming I am looking for similar resource (slides, videos, articles, etc.) that treats ...
3
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1answer
143 views

VRP book recommendations

I am looking for a book recommendation on the VRP and variants. I am encountering VRP-like problems more and more in my work and would appreciate a reference.
6
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2answers
109 views

Measuring performance of Genetic Algorithms

I'm looking for information concerning Genetic Algorithm (GA) outputs reliability. I've found some papers applying metaheuristics that have run their algorithms 30 times and got the best solution ...
10
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3answers
383 views

Are there explainability approaches in optimization?

In the machine learning community there is the big topic of explainability, where you want to make the solution of ML models explainable or derive explainable models. This is also interesting for ...
1
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1answer
189 views

Textbook recommendation for multiple traveling salesman problem transformation to standard TSP

I am looking for a good textbook explaining: "Transformation of Multiple Traveling Salesmen Problem to the Standard Traveling Salesman Problem."
4
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1answer
111 views

k -MST problem based on Miller-Tucker-Zemlin subtour elimination constraints

Where can I find the formulation of the $k$-MST ($k$-minimum spanning tree) problem as (mixed) integer linear program based on Miller-Tucker-Zemlin subtour elimination constraints (MTZ)?
16
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1answer
610 views

Deep Reinforcement Learning for General Purpose Optimization

Recently, I attended a very nice talk given by someone at the place I work about applying Deep Reinforcement Learning (DRL) for a design optimization problem. It was particularly interesting to me ...
2
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0answers
88 views

Are there any optimization problems related to preventing COVID-19 transmission?

I am talking about optimization problems related to spraying disinfectants in public spaces which prevents COVID-19 transmission.
3
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3answers
157 views

References for Game theory with Operations Research Orientation

I am studying the book by Martin Osborne "An Introduction to Game Theory". My background is IE and I am more familiar with OR. Is there any book that teaches Game theory in Operations ...
8
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4answers
527 views

Algorithm for simplifying a set of linear inequalities

I am looking for an algorithm that, given a set of linear inequalities in $m$ variables, returns a simplified set. "Simplified" may mean an equivalent set with a smallest number of ...
17
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7answers
3k views

Is there a Linear Programming Library that natively supports fractions instead of floating point arithmetic?

If one recalls how the Simplex method is taught by hand in most LP classes it takes place entirely in $\mathbb{Q}$. All operations yield exact fractions. For this reason I'm looking for linear ...
6
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4answers
376 views

Learning local search operator selection

I'm just reading [1]. The authors use a neural network to solve capacitated vehicle routing problems through iterative generation of tours by solving a price-collecting traveling salesman problem in ...
3
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0answers
58 views

What is the first mention of the modelling cycle in OR?

The first reference to the modelling cycle (reality, model, solution, implementation) for operations research I found, is the paper "Operations research from the viewpoint of general systems ...
5
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2answers
126 views

What are examples of integral polytopes, where there exists an algorithm to write a given point as a convex combination of integral points?

Given a set of integer points $S$, one is often interested in finding $\operatorname{conv}(S)$ or characterizing certain cases, where $\operatorname{conv}(S)$ is described by few inequalities. ...
5
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1answer
84 views

Combined arc capacity constraints in network flows

Consider the network flow polyhedron for a directed graph $G = (N, A)$. Along with the standard flow-balance and single-arc capacity constraints, we are faced with additional constraints which enforce ...
9
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3answers
267 views

What is good introductory literature on (meta)heuristics?

What textbook/articles would you use to introduce heuristics and meta-heuristics to OR students? Assume they have already seen some OR (e.g., LP and MILP).
5
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2answers
85 views

Procurement and supply management: model-oriented undergradute textbook

I look for an undergraduate-level textbook on procurement and supply management that is largely organized around (reasonably simple) mathematical models. The texts I have reviewed so far are all ...
12
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2answers
500 views

How to handle an IP sub-problem with an objective function in Benders Decomposition

I have a question on Benders Decomposition (BD). Suppose I have an MILP model which can be decomposed into a master problem (MP) including integer and continuous variables and a subproblem (SP) ...
5
votes
3answers
166 views

Global Optimization when the exponential function is involved

I wonder if there are methods to determine the global optimum of MINLP problems, when the nonlinear functions involved are only of the form $Z = Y e^{- \alpha X}$, where $Y \ge 0$ and $X \ge 0$. Are ...
4
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3answers
255 views

What are the best written papers in O.R and best authors in terms of writing?

I'm working on a paper for the first time and I would like to know which papers are recommended to study and analyze for their excellent writing and structure, and which authors in OR are recognized ...
6
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1answer
69 views

Complexity \ Reference request for variant of max flow problem

In the standard max cost flow problem with arc capacities, the cost of using an arc is proportional to the flow through the arc. For example, if $f_{uv}$ is the flow through the arc $(u,v)$, then the ...
8
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3answers
271 views

Constraint programming resources

I am looking for resources to learn constraint programming. I will divide the resources I am looking for in three types: Modeling Is there resources (books, articles, courses, etc.) that are ...
2
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0answers
41 views

Is this a common generalization of the independent set problem?

Suppose a minimum weighted independent set in a conflict graph with $n$ vertices. The basic version is where each vertex $i$ is associated with a weight $c_i$. i.e., there is a vector $C$ for the ...
2
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0answers
38 views

Algorithms for finding step sizes which satisfy the Wolfe conditions?

I am a student studying optimization, and I am interested in algorithms which finds step sizes satisfying the Wolfe (or strong Wolfe) conditions. I do know of one book which provides such an algorithm:...
4
votes
1answer
80 views

How to evalute the quality of a solver (beyond solution quality and time efficiency)?

I built a solver for a classic scheduling problem. It has some exact methods and some heuristics methods. I want to judge the quality of the work beyond time efficiency and solution quality. For ...
3
votes
1answer
147 views

Accessible introduction to L-shaped methods/Benders decomposition

I am looking for papers or other resources that provide an accessible introduction to L-shaped methods/Benders decomposition for solving stochastic linear programming-ideally something focused more on ...
4
votes
1answer
142 views

How to implement a local search with different operators?

I read some papers on local search. I remark that several authors use different move operators. However, the pseudo-code I found on google only uses one operator. I am wondering how to implement the ...
12
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2answers
183 views

Meta papers on operations research

Some time ago, I wrote this answer: https://or.stackexchange.com/a/3323/405 to a question here on this stack exchange. I've had similar discussions with colleges, but I never found anything written ...
5
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0answers
76 views

Books in applied Online Optimization

What are books on Online Optimization other than Introduction to Online Convex Optimization? Preferably: more on applied side, rather than theoretical not limited to convex only
8
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3answers
1k views

How to improve the quality of code in OR?

So I noticed, that a lot of students taking OR-classes come from non-computer science backgrounds (e.g. buissiness administration). They typically had only one other class in their first semester ...
4
votes
1answer
58 views

Maximizing 1-norm: using binary variables to relax non-convexity

It is well-known that when we maximize a 1-norm, e.g., $\|Ax\|_1$, we can use binary variables and obtain a mixed-integer convex problem (otherwise maximizing 1-norm is non-convex). I am mentioning ...
5
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1answer
329 views

Polynomially solvable cases of zero-one programming

I am dealing with a problem having two types of variables: binary variables, and continuous variables. In some cases, the continuous variables are not used, and so the problem contains those binary ...
3
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0answers
68 views

Combining Machine learning and Operations research on a scheduling problem

I am wondering if there is any attempts of combining OR and ML in the following way. Priority-based rules are widely used in Resource Constrained Project Scheduling Problems. Is there a way to train ...
9
votes
3answers
244 views

What are the prerequisites for learning about operations research?

I'm finding myself needing to learn about operations research. I'm planning to just find a textbook (or some other medium, such as an online course) on OR and learn from there. But I don't think I ...