Solving Steiner trees: Recent advances, challenges, and perspectives

I Ljubić - Networks, 2021 - Wiley Online Library
The Steiner tree problem (STP) in graphs is one of the most studied problems in
combinatorial optimization. Since its inception in 1970, numerous articles published in the …

Imposing contiguity constraints in political districting models

H Validi, A Buchanan, E Lykhovyd - Operations Research, 2022 - pubsonline.informs.org
Beginning in the 1960s, techniques from operations research began to be used to generate
political districting plans. A classical example is the integer programming model of Hess et …

Strategies for coordinated multirobot exploration with recurrent connectivity constraints

J Banfi, A Quattrini Li, I Rekleitis, F Amigoni… - Autonomous …, 2018 - Springer
During several applications, such as search and rescue, robots must discover new
information about the environment and, at the same time, share operational knowledge with …

Mathematical optimization ideas for biodiversity conservation

A Billionnet - European Journal of Operational Research, 2013 - Elsevier
Several major environmental issues like biodiversity loss and climate change currently
concern the international community. These topics that are related to the development of …

On imposing connectivity constraints in integer programs

Y Wang, A Buchanan, S Butenko - Mathematical Programming, 2017 - Springer
In many network applications, one searches for a connected subset of vertices that exhibits
other desirable properties. To this end, this paper studies the connected subgraph polytope …

Asynchronous multirobot exploration under recurrent connectivity constraints

J Banfi, AQ Li, N Basilico, I Rekleitis… - … on Robotics and …, 2016 - ieeexplore.ieee.org
In multirobot exploration under centralized control, communication plays an important role in
constraining the team exploration strategy. Recurrent connectivity is a way to define …

New formulations for two location problems with interconnected facilities

Y Kuzbakov, I Ljubić - European Journal of Operational Research, 2024 - Elsevier
This paper studies two location problems with interconnected facilities. In the first problem,
all customers need to be served by open facilities, and in the second (covering) variant a …

Optimizing the geometry of wildlife corridors in conservation reserve design

R St John, SF Tóth, ZB Zabinsky - Operations Research, 2018 - pubsonline.informs.org
Wildlife corridors are often used to connect critical habitat for species protection. Mixed
integer programming models have been used in the past to create wildlife corridors, but they …

Combining NP-hard reduction techniques and strong heuristics in an exact algorithm for the maximum-weight connected subgraph problem

D Rehfeldt, T Koch - SIAM Journal on Optimization, 2019 - SIAM
Borne out of a surprising variety of practical applications, the maximum-weight connected
subgraph problem has attracted considerable interest in recent years. This interest has not …

The generalized reserve set covering problem with connectivity and buffer requirements

E Álvarez-Miranda, M Goycoolea, I Ljubić… - European Journal of …, 2021 - Elsevier
The design of nature reserves is becoming, more and more, a crucial task for ensuring the
conservation of endangered wildlife. In order to guarantee the preservation of species and a …