@article{hoory_expander_2006, title = {Expander graphs and their applications}, volume = {43}, issn = {0273-0979}, url = {http://www.ams.org/journal-getitem?pii=S0273-0979-06-01126-8}, doi = {10.1090/S0273-0979-06-01126-8}, language = {en}, number = {04}, urldate = {2025-05-09}, journal = {Bulletin of the American Mathematical Society}, author = {Hoory, Shlomo and Linial, Nathan and Wigderson, Avi}, month = aug, year = {2006}, pages = {439--562} } @article{arora_osqrtlogn_2010, title = { {$O(\sqrt{\log n})$} {Approximation} to {SPARSEST} {CUT} in {$\tilde{O}(n^2)$} {Time}}, volume = {39}, issn = {0097-5397, 1095-7111}, url = {http://epubs.siam.org/doi/10.1137/080731049}, doi = {10.1137/080731049}, language = {en}, number = {5}, urldate = {2025-05-09}, journal = {SIAM Journal on Computing}, author = {Arora, Sanjeev and Hazan, Elad and Kale, Satyen}, month = jan, year = {2010}, pages = {1748--1771} } @misc{dorsi2024sparsestcuteigenvaluemultiplicities, title = {Sparsest cut and eigenvalue multiplicities on low degree Abelian Cayley graphs}, author = {Tommaso d'Orsi and Chris Jones and Jake Ruotolo and Salil Vadhan and Jiyu Zhang}, year = {2024}, eprint = {2412.17115}, archiveprefix = {arXiv}, primaryclass = {cs.DS}, url = {https://arxiv.org/abs/2412.17115} } @inproceedings{arora_expander_2004, address = {New York, NY, USA}, series = {{STOC} '04}, title = {Expander flows, geometric embeddings and graph partitioning}, isbn = {978-1-58113-852-8}, url = {https://doi.org/10.1145/1007352.1007355}, doi = {10.1145/1007352.1007355}, abstract = {We give a O(√log n)-approximation algorithm for sparsest cut, balanced separator, and graph conductance problems. This improves the O(log n)-approximation of Leighton and Rao (1988). We use a well-known semidefinite relaxation with triangle inequality constraints. Central to our analysis is a geometric theorem about projections of point sets in Rd, whose proof makes essential use of a phenomenon called measure concentration. We also describe an interesting and natural "certificate" for a graph's expansion, by embedding an n-node expander in it with appropriate dilation and congestion. We call this an expander flow.}, urldate = {2025-05-09}, booktitle = {Proceedings of the thirty-sixth annual {ACM} symposium on {Theory} of computing}, publisher = {Association for Computing Machinery}, author = {Arora, Sanjeev and Rao, Satish and Vazirani, Umesh}, month = jun, year = {2004}, pages = {222--231} } @article{leighton_multicommodity_1999, title = {Multicommodity max-flow min-cut theorems and their use in designing approximation algorithms}, volume = {46}, issn = {0004-5411}, url = {https://dl.acm.org/doi/10.1145/331524.331526}, doi = {10.1145/331524.331526}, number = {6}, urldate = {2025-05-09}, journal = {J. ACM}, author = {Leighton, Tom and Rao, Satish}, month = nov, year = {1999}, pages = {787--832} } @INPROCEEDINGS{leighton_multicommodity_1988, author={Leighton, T. and Rao, S.}, booktitle={[Proceedings 1988] 29th Annual Symposium on Foundations of Computer Science}, title={An approximate max-flow min-cut theorem for uniform multicommodity flow problems with applications to approximation algorithms}, year={1988}, volume={}, number={}, pages={422-431}, keywords={Application software;Approximation algorithms;Laboratories;Computer science;Particle separators;Linear programming;Contracts;Mathematics;Constraint theory;Bifurcation}, doi={10.1109/SFCS.1988.21958}} @article{garg_approximate_1996, title = {Approximate {Max}-{Flow} {Min}-({Multi}){Cut} {Theorems} and {Their} {Applications}}, volume = {25}, issn = {0097-5397}, url = {https://epubs.siam.org/doi/10.1137/S0097539793243016}, doi = {10.1137/S0097539793243016}, number = {2}, urldate = {2025-05-20}, journal = {SIAM Journal on Computing}, author = {Garg, Naveen and Vazirani, Vijay V. and Yannakakis, Mihalis}, month = apr, year = {1996}, note = {Publisher: Society for Industrial and Applied Mathematics}, pages = {235--251}, } @inproceedings{lee_genus_2010, title = {Genus and the geometry of the cut graph: [extended abstract]}, isbn = {978-0-89871-701-3 978-1-61197-307-5}, shorttitle = {Genus and the geometry of the cut graph}, url = {https://epubs.siam.org/doi/10.1137/1.9781611973075.18}, doi = {10.1137/1.9781611973075.18}, language = {en}, urldate = {2025-05-07}, booktitle = {Proceedings of the {Twenty}-{First} {Annual} {ACM}-{SIAM} {Symposium} on {Discrete} {Algorithms}}, publisher = {Society for Industrial and Applied Mathematics}, author = {Lee, James R. and Sidiropoulos, Anastasios}, month = jan, year = {2010}, pages = {193--201} } @misc{gupta2013sparsestcutboundedtreewidth, title = {Sparsest Cut on Bounded Treewidth Graphs: Algorithms and Hardness Results}, author = {Anupam Gupta and Kunal Talwar and David Witmer}, year = {2013}, eprint = {1305.1347}, archiveprefix = {arXiv}, primaryclass = {cs.DS}, url = {https://arxiv.org/abs/1305.1347} } @article{Chalermsook_2024, title = {Approximating Sparsest Cut in Low-treewidth Graphs via Combinatorial Diameter}, volume = {20}, issn = {1549-6333}, url = {http://dx.doi.org/10.1145/3632623}, doi = {10.1145/3632623}, number = {1}, journal = {ACM Transactions on Algorithms}, publisher = {Association for Computing Machinery (ACM)}, author = {Chalermsook, Parinya and Kaul, Matthias and Mnich, Matthias and Spoerhase, Joachim and Uniyal, Sumedha and Vaz, Daniel}, year = {2024}, month = jan, pages = {1–20} } @article{juliaJACMapxhard, author = {Chuzhoy, Julia and Khanna, Sanjeev}, title = {Polynomial flow-cut gaps and hardness of directed cut problems}, year = {2009}, issue_date = {April 2009}, publisher = {Association for Computing Machinery}, address = {New York, NY, USA}, volume = {56}, number = {2}, issn = {0004-5411}, url = {https://doi.org/10.1145/1502793.1502795}, doi = {10.1145/1502793.1502795}, journal = {J. ACM}, month = apr, articleno = {6}, numpages = {28}, keywords = {sparsest cut, hardness of approximation, Directed multicut} } @inproceedings{chawla_hardness_2005, title = {On the hardness of approximating {MULTICUT} and {SPARSEST}-{CUT}}, url = {https://ieeexplore.ieee.org/document/1443081}, doi = {10.1109/CCC.2005.20}, abstract = {We show that the MULTICUT, SPARSEST-CUT, and MIN-2CNF/spl equiv/DELETION problems are NP-hard to approximate within every constant factor, assuming the unique games conjecture of Khot [STOC, 2002]. A quantitatively stronger version of the conjecture implies inapproximability factor of /spl Omega/(log log n).}, urldate = {2025-05-09}, booktitle = {20th {Annual} {IEEE} {Conference} on {Computational} {Complexity} ({CCC}'05)}, author = {Chawla, S. and Krauthgamer, R. and Kumar, R. and Rabani, Y. and Sivakumar, D.}, month = jun, year = {2005}, note = {ISSN: 1093-0159}, keywords = {Approximation algorithms, Computer science, Costs, Linear programming, Mathematics}, pages = {144--153} } @inproceedings{chlamtac_approximating_2010, address = {Berlin, Heidelberg}, title = {Approximating {Sparsest} {Cut} in {Graphs} of {Bounded} {Treewidth}}, isbn = {978-3-642-15369-3}, doi = {10.1007/978-3-642-15369-3_10}, language = {en}, booktitle = {Approximation, {Randomization}, and {Combinatorial} {Optimization}. {Algorithms} and {Techniques}}, publisher = {Springer}, author = {Chlamtac, Eden and Krauthgamer, Robert and Raghavendra, Prasad}, editor = {Serna, Maria and Shaltiel, Ronen and Jansen, Klaus and Rolim, José}, year = {2010}, keywords = {General Demand, Linear Programming Relaxation, Linear Programming Solution, Tree Decomposition, Vertex Cover}, pages = {124--137} } @article{lognGapAumann98, author = {Aumann, Yonatan and Rabani, Yuval}, title = {An {$O(\log k)$} Approximate Min-Cut Max-Flow Theorem and Approximation Algorithm}, journal = {SIAM Journal on Computing}, volume = {27}, number = {1}, pages = {291-301}, year = {1998}, doi = {10.1137/S0097539794285983}, url = {https://doi.org/10.1137/S0097539794285983}, eprint = {https://doi.org/10.1137/S0097539794285983}, } @article{Linial_London_Rabinovich_1995, title={The geometry of graphs and some of its algorithmic applications}, volume={15}, rights={http://www.springer.com/tdm}, ISSN={0209-9683, 1439-6912}, url={http://link.springer.com/10.1007/BF01200757}, DOI={10.1007/BF01200757}, number={2}, journal={Combinatorica}, author={Linial, Nathan and London, Eran and Rabinovich, Yuri}, year={1995}, month=jun, pages={215–245}, language={en} } @article{Cohen-Addad_Mömke_Verdugo_2024, title={A 2-approximation for the bounded treewidth sparsest cut problem in $\textsf{FPT}$Time}, volume={206}, ISSN={1436-4646}, url={https://doi.org/10.1007/s10107-023-02044-1}, DOI={10.1007/s10107-023-02044-1}, number={1}, journal={Mathematical Programming}, author={Cohen-Addad, Vincent and Mömke, Tobias and Verdugo, Victor}, year={2024}, month=jul, pages={479–495}, language={en} } @INPROCEEDINGS{uniformhardnessFocs07, author={Ambuhl, Christoph and Mastrolilli, Monaldo and Svensson, Ola}, booktitle={48th Annual IEEE Symposium on Foundations of Computer Science (FOCS'07)}, title={Inapproximability Results for Sparsest Cut, Optimal Linear Arrangement, and Precedence Constrained Scheduling}, year={2007}, volume={}, number={}, pages={329-337}, keywords={Cost function;Processor scheduling;Polynomials;NP-complete problem;Approximation algorithms;Single machine scheduling;Computer science}, doi={10.1109/FOCS.2007.40}} @article{bonsma_complexity_2012, title = {The complexity of finding uniform sparsest cuts in various graph classes}, volume = {14}, copyright = {https://www.elsevier.com/tdm/userlicense/1.0/}, issn = {15708667}, url = {https://linkinghub.elsevier.com/retrieve/pii/S1570866711001110}, doi = {10.1016/j.jda.2011.12.008}, language = {en}, urldate = {2025-05-10}, journal = {Journal of Discrete Algorithms}, author = {Bonsma, Paul and Broersma, Hajo and Patel, Viresh and Pyatkin, Artem}, month = jul, year = {2012}, pages = {136--149}, } @inproceedings{rao_small_1999, address = {Miami Beach Florida USA}, title = {Small distortion and volume preserving embeddings for planar and {Euclidean} metrics}, isbn = {978-1-58113-068-3}, url = {https://dl.acm.org/doi/10.1145/304893.304983}, doi = {10.1145/304893.304983}, language = {en}, urldate = {2025-05-10}, booktitle = {Proceedings of the fifteenth annual symposium on {Computational} geometry}, publisher = {ACM}, author = {Rao, Satish}, month = jun, year = {1999}, pages = {300--306}, } @article{Ford_Fulkerson_1956, title={Maximal Flow Through a Network}, volume={8}, rights={https://www.cambridge.org/core/terms}, ISSN={0008-414X, 1496-4279}, url={https://www.cambridge.org/core/product/identifier/S0008414X00036890/type/journal_article}, DOI={10.4153/CJM-1956-045-5}, journal={Canadian Journal of Mathematics}, author={Ford, L. R. and Fulkerson, D. R.}, year={1956}, pages={399–404}, language={en} } @article{Hu_1963, title={Multi-Commodity Network Flows}, volume={11}, ISSN={0030-364X, 1526-5463}, url={https://pubsonline.informs.org/doi/10.1287/opre.11.3.344}, DOI={10.1287/opre.11.3.344}, number={3}, journal={Operations Research}, author={Hu, T. C.}, year={1963}, month=jun, pages={344–360}, language={en} } @article{schrijver_homotopic_1990, title = {Homotopic {Routing} {Methods}}, language = {en}, journal = {Paths, Flows, and VLSI-Layout}, author = {Schrijver, Alexander}, year = {1990}, pages = {329 --371}, } @inproceedings{aumann_rabani_1995, author = {Aumann, Yonatan and Rabani, Yuval}, title = {Improved bounds for all optical routing}, year = {1995}, isbn = {0898713498}, publisher = {Society for Industrial and Applied Mathematics}, address = {USA}, booktitle = {Proceedings of the Sixth Annual ACM-SIAM Symposium on Discrete Algorithms}, pages = {567–576}, numpages = {10}, location = {San Francisco, California, USA}, series = {SODA '95} } @article{arora_frechet_2007, title = {Fréchet {Embeddings} of {Negative} {Type} {Metrics}}, volume = {38}, issn = {1432-0444}, url = {https://doi.org/10.1007/s00454-007-9007-0}, doi = {10.1007/s00454-007-9007-0}, language = {en}, number = {4}, urldate = {2025-05-19}, journal = {Discrete \& Computational Geometry}, author = {Arora, Sanjeev and Lee, James R. and Naor, Assaf}, month = dec, year = {2007}, keywords = {Convex and Discrete Geometry, Differential Geometry, Distortion, Euclidean, Functional Analysis, Geometry, Global Analysis and Analysis on Manifolds, Hyperbolic Geometry, L 1, Metric embeddings, Sparsest cut problem}, pages = {726--739}, } @inproceedings{arora_euclidean_2005, address = {New York, NY, USA}, series = {{STOC} '05}, title = {Euclidean distortion and the sparsest cut}, isbn = {978-1-58113-960-0}, url = {https://doi.org/10.1145/1060590.1060673}, doi = {10.1145/1060590.1060673}, urldate = {2025-05-19}, booktitle = {Proceedings of the thirty-seventh annual {ACM} symposium on {Theory} of computing}, publisher = {Association for Computing Machinery}, author = {Arora, Sanjeev and Lee, James R. and Naor, Assaf}, month = may, year = {2005}, pages = {553--562}, } @inproceedings{guruswami_approximating_2013, address = {USA}, series = {{SODA} '13}, title = {Approximating non-uniform sparsest cut via generalized spectra}, isbn = {978-1-61197-251-1}, urldate = {2025-05-18}, booktitle = {Proceedings of the twenty-fourth annual {ACM}-{SIAM} symposium on {Discrete} algorithms}, publisher = {Society for Industrial and Applied Mathematics}, author = {Guruswami, Venkatesan and Sinop, Ali Kemal}, month = jan, year = {2013}, pages = {295--305}, } @book{Williamson_Shmoys_2011, place={Cambridge}, title={The Design of Approximation Algorithms}, publisher={Cambridge University Press}, author={Williamson, David P. and Shmoys, David B.}, year={2011}} @inproceedings{arora_towards_2013, address = {Berkeley, CA, USA}, title = {Towards a {Better} {Approximation} for {Sparsest} {Cut}?}, isbn = {978-0-7695-5135-7}, url = {http://ieeexplore.ieee.org/document/6686163/}, doi = {10.1109/FOCS.2013.37}, language = {en}, urldate = {2025-05-09}, booktitle = {2013 {IEEE} 54th {Annual} {Symposium} on {Foundations} of {Computer} {Science}}, publisher = {IEEE}, author = {Arora, Sanjeev and Ge, Rong and Sinop, Ali Kemal}, month = oct, year = {2013}, pages = {270--279}, }