Research / Publications
Last updated 28 February 2021.
Papers
P. Loh,
Flipping the Perspective on Contact Tracing
, preprint.
P. Loh,
Directed paths: from Ramsey to Ruzsa and Szemerédi
,
Combinatorics, Probability and Computing
, under revision.
D. Chakraborti
and P. Loh,
Minimizing the number of copies of K
_{r}
in an F-saturated graph
,
European Journal of Combinatorics
, 90 (2020), 103185.
D. Chakraborti
and P. Loh,
Extremal graphs with local covering conditions
,
SIAM Journal on Discrete Mathematics
, 34 (2020), 1354-1374.
M. Lavrov
, P. Loh, and
A. Messegué
,
Distance-Uniform Graphs with Large Diameter
,
SIAM Journal on Discrete Mathematics
, 33 (2019) 994-1005.
M. Krivelevich
,
M. Kwan
, P. Loh, and
B. Sudakov
,
The random k-matching-free process
,
Random Structures and Algorithms
, 53 (2018), 692-716.
J. Briggs,
A. Frieze
,
M. Krivelevich
, P. Loh, and
B. Sudakov
,
Packing Hamilton cycles online
,
Combinatorics, Probability and Computing
, 27 (2018), 475-495.
P. Loh,
M. Tait
,
C. Timmons
, and R. Zhou,
Induced Turan numbers
,
Combinatorics, Probability and Computing
, 27 (2018), 274-288.
P. Loh and S. Oh,
Cops and robbers on planar directed graphs
,
Journal of Graph Theory
, 86 (2017), 329-340.
B. Bukh
, P. Loh, and
G. Nivasch
,
Classifying unavoidable Tverberg partitions
,
Journal of Computational Geometry
, 8 (2017), 174-205.
P. Loh and
J. Ma
,
Diameter critical graphs
,
Journal of Combinatorial Theory, Series B
, 117 (2016), 34-58.
M. Lavrov
and P. Loh,
Hamiltonian increasing paths in random edge orderings
,
Random Structures and Algorithms
, 48 (2016), 588-611.
C. Lee
, P. Loh, and
B. Sudakov
,
Judicious partitions of directed graphs
,
Random Structures and Algorithms
, 48 (2016), 147-170.
W. Gan
, P. Loh, and
B. Sudakov
,
Maximizing the number of independent sets of a fixed size
,
Combinatorics, Probability and Computing
, 24 (2015), 521-527.
J. Fox
, P. Loh, and
Y. Zhao
,
The critical window for the classical Ramsey-Turan problem
,
Combinatorica
, 35 (2015), 435-476.
J. Iglesias, N. Ince, and P. Loh,
Computing with voting trees
,
SIAM Journal on Discrete Mathematics
, 28 (2014), 673-684.
P. Loh and
R. Pagh
,
Thresholds for extreme orientability
,
Algorithmica
, 69 (2014), 522-539.
D. Bal
,
A. Frieze
,
M. Krivelevich
, and P. Loh,
Packing tree factors in random and pseudo-random graphs
,
The Electronic Journal of Combinatorics
, 21 (2014), P2.8.
A. Frieze
and P. Loh,
Rainbow Hamilton cycles in random graphs
,
Random Structures and Algorithms
, 44 (2014), 328-354.
R. Graham
,
L. Hamilton
,
A. Levavi
, and P. Loh,
Anarchy is free in network creation
, Proc. 10th Workshop on Algorithms and Models for the Web Graph, LNCS 8305 (2013), 220-231.
C. Lee
, P. Loh, and
B. Sudakov
,
Bisections of graphs
,
Journal of Combinatorial Theory, Series B
, 103 (2013), 599-629.
C. Lee
, P. Loh, and
B. Sudakov
,
Self-similarity of graphs
,
SIAM Journal on Discrete Mathematics
, 27 (2013), 959-972.
P. Loh and
E. Lubetzky
,
Stochastic coalescence in logarithmic time
,
Annals of Applied Probability
, 23 (2013), 492-528.
This version
appeared in the proceedings of
SODA 2012
, pages 541-550.
J. Fox
and P. Loh,
On a problem of Erdős and Rothschild on edges in triangles
,
Combinatorica
, 32 (2012), 619-628.
A. Dudek
,
A. Frieze
, P. Loh, and
S. Speiss
,
Optimal divisibility conditions for loose Hamilton cycles in random hypergraphs
,
The Electronic Journal of Combinatorics
, 19 (2012), P44.
A. Frieze
,
M. Krivelevich
, and P. Loh,
Packing tight Hamilton cycles in 3-uniform hypergraphs
,
Random Structures and Algorithms
, 40 (2012), 269-300.
This version
appeared in the proceedings of
SODA 2011
, pages 913-932.
H. Huang
, P. Loh, and
B. Sudakov
,
The size of a hypergraph and its matching number
,
Combinatorics, Probability and Computing
, 21 (2012), 442-450.
A. Frieze
,
M. Krivelevich
, and P. Loh,
Variations on Cops and Robbers
,
Journal of Graph Theory
, 69 (2012), 383-402.
T. Bohman
,
A. Frieze
,
M. Krivelevich
, P. Loh, and
B. Sudakov
,
Ramsey games with giants
,
Random Structures and Algorithms
, 38 (2011), 1-32.
P. Loh,
O. Pikhurko
, and
B. Sudakov
,
Maximizing the number of
q
-colorings
,
Proceedings of the London Mathematical Society
, 101 (2010), 655-696.
P. Loh,
A note on embedding hypertrees
,
The Electronic Journal of Combinatorics
, 16 (2009), N18.
P. Loh and
B. Sudakov
,
Constrained Ramsey Numbers
,
Combinatorics, Probability and Computing
, 18 (2009), 247-258.
J. Fox
, P. Loh, and
B. Sudakov
,
Large induced trees in
K
_{r}
-free graphs
,
Journal of Combinatorial Theory, Series B
, 99 (2009), 494-501.
M. Krivelevich
, P. Loh, and
B. Sudakov
,
Avoiding small subgraphs in Achlioptas processes
,
Random Structures and Algorithms
, 34 (2009), 165-195.
The unabridged version is on the
arXiv
.
P. Loh and
B. Sudakov
,
On the strong chromatic number of random graphs
,
Combinatorics, Probability and Computing
, 17 (2008), 271-286.
P. Loh and
B. Sudakov
,
Independent transversals in locally sparse graphs
,
Journal of Combinatorial Theory, Series B
, 97 (2007), 904-918.
P. Keevash
, P. Loh, and
B. Sudakov
,
Bounding the number of edges in permutation graphs
,
The Electronic Journal of Combinatorics
, 13 (2006), R44.
P. Loh and
L. Schulman
,
Improved expansion of random Cayley graphs
,
Discrete Mathematics and Theoretical Computer Science
, 6 (2004), 523-528.
P. Loh,
Finding shortest paths with computational geometry
,
Journal of Graph Algorithms and Applications
, 7 (2003), 287-303.
Olympiad related
P. Loh,
57th International Mathematical Olympiad
,
Mathematics Magazine
, 89 (2016), 388-397.
P. Loh,
56th International Mathematical Olympiad
,
Mathematics Magazine
, 88 (2015), 305-315.
P. Loh,
55th International Mathematical Olympiad
,
Mathematics Magazine
, 87 (2014), 310-317.
Z. Feng
, P. Loh, and
Y. Sun
,
51st International Mathematical Olympiad
,
Mathematics Magazine
, 83 (2010), 320-323.
Eds.
T. Andreescu
,
Z. Feng
, and P. Loh,
USA and International Mathematical Olympiads 2004
, published by the Mathematical Association of America (2005), 100pp.
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