Questions tagged [reference-request]

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

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4
votes
3answers
500 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
votes
1answer
71 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
votes
0answers
51 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
votes
2answers
86 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
votes
1answer
129 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
votes
2answers
105 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 ...
9
votes
3answers
357 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
vote
1answer
186 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
votes
1answer
95 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
votes
1answer
570 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 ...
0
votes
0answers
61 views

Are there any optimization problem related to preventing Covid-19 Transmission?

I am talking about optimization problem about spraying disinfectant in public spaces which preventing Covid-19 Transmission.
3
votes
3answers
148 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 ...
1
vote
0answers
76 views

Production planning with production regularity over time

I've been studying a problem of the following kind: $T = 1,\ldots, \max{T}$ is a discrete period of time, and we can use every production unit $i \in I$ at most twice. Every unit has a fixed attribute ...
8
votes
4answers
519 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 ...
16
votes
6answers
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
votes
3answers
300 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
votes
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
votes
2answers
123 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
votes
1answer
80 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
votes
3answers
259 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
votes
2answers
70 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
votes
2answers
460 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
149 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
votes
3answers
250 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
votes
1answer
64 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
votes
3answers
243 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
votes
0answers
38 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
votes
0answers
34 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
79 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
132 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
139 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
votes
2answers
182 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
votes
0answers
74 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
votes
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
55 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
votes
1answer
324 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
votes
0answers
67 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
236 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 ...
8
votes
1answer
169 views

What are Operations Research applications for 'morally discussable causes'?

Out of curiosity, since I read this question What are Operations Research applications for 'good causes'? and thought it might be a good addition to it. What are Operations Research ...
8
votes
1answer
61 views

Covering problem on a network (?)

I have this problem described in natural language, and I was wondering whether it is relatable to any known problem. I have a directed acyclic graph. Each node can host a "probe". If node $i$ hosts ...
24
votes
9answers
3k views

What are Operations Research applications for 'good causes'?

I am looking for applications of OR for good causes, possibly with some literature. I intend a good cause loosely defined in the sense that the scope is that of improving the well-being of others, e.g....
4
votes
2answers
138 views

Maximum Flow Problem : Can someone refer me to accessible valuable resources

Can anyone please refer/suggest me some accessible papers, works, books, websites, documentation related to The Maximum Flow Problem.
4
votes
2answers
164 views

Suggest me good books to learn heuristics to solve Operations Research problems using python

Suggest me some good books with implementation of heuristics using python to solve operations research problems
2
votes
1answer
97 views

How to detect unbounded problems

How can I algorithmically detect whether an (MI)NLP problem is unbounded or not? Finding a source for this has proven tricky, because people in the literature seem to talk a lot about what to do if ...
6
votes
2answers
120 views

Is this another variant of Job Shop Scheduling Problem?

The problem is as follows: there are $n$ jobs $\mathcal{J}=\{J_1,\ldots, J_n\}$, each of which could be done. There are $k$ machines $M_1,\ldots,M_k$ that work in parallel, independently of each other,...
13
votes
3answers
211 views

Protein folding and protein design relation

I understand from this active COVID-19 question: Are there any COVID-19 (coronavirus) related optimization problems with input datasets that we can "crowd solve"? that the protein folding ...
8
votes
1answer
328 views

if-else condition for the objective variable using big M notation

Let $0\leq \beta\leq 1$ be an objective variable. The size of $\beta$ is $N\!\times\!N$. Now, how can I impose the following? if $\beta_{i,j}>0$ then $\beta_{j,i}=0$ Big M notation can be ...
3
votes
0answers
46 views

Discrete optimization in transport economics

I was working on a problem in transport economics where the optimal number of trips in a given duration of time is to be found out. The profit is a function of the price vector $p$ and time cost $c$ ...
6
votes
4answers
155 views

Sequential quadratic programming source

What are the good text books to learn SQP? Are there any online courses that you can suggest?
11
votes
2answers
3k views

Is it necessary to study rigorous math courses in OR?

I am a business student with engineering background and I am studying papers published in some journals like Management Science, Operations Research, Math of OR and they use some notations and ...