
2016present

Efficient packings of unit squares in a large square
, Discrete and Computational Geometry, 64, (2020), 690699,
(with R. Graham)

A strong Harnack inequality for graphs,
Comm. Analysis and Geometry, 25, no. 3, (2017), 557588,
(with S.T. Yau).
20112015
20062010
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Tiling polygons with lattice triangles
,
Discrete and Computational Geometry, 44, (2010), 898
903,
(with Steve Butler, Ron Graham and Mikl'os Laczkovich).

PageRank
as a discrete Green's function,
Geometry and Analysis, I, ALM 17, (2010), 285302.

Packing equal squares into a large square
,
JCT(A), 116, (2009), 11671175,
(with R. L. Graham).

Maximizing data locality in distributed systems,
Journal of Computer System Sciences, 72 (December 2006),
13091316,
(with Ronald Graham, Ranjita Bhagwan, Stefan Savage and Geoffrey M. Voelker).
20012005
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Parallelism versus Memory Allocation
in Pipelined Router Forwarding Engines,
SPAA'04, Barcelona, Spain, (2004), 103111,
(with Ronald Graham and George Varghese).

Discrete isoperimetric inequalities,
Surveys in Differential Geometry IX, International Press, (2004), 5382.
19962000
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Higher eigenvalues and isoperimetric inequalities on
Riemannian manifolds and graphs,
Communications on Analysis and Geometry 8, (2000), 9691026,
(with A. Grigor'yan and S.T. Yau).

Weighted graph Laplacians and isoperimetric inequalities,
Pacific Journal of Mathematics 192 (2000), 257273,
(with Kevin Oden).

A Harnack inequality for Dirichlet eigenvalues,
Journal of Graph Theory, 34 (2000), 247257,
(with S.T. Yau).

Spanning trees in subgraphs of lattices,
Comtempory Math. 245, Amer. Math. Soc., Providence, R. I., 1999, 201219.

Coverings, heat kernels and spanning trees,
Electronic Journal of Combinatorics 6 (1999), R12, 21 pp,
(with S.T. Yau).

Logarithmic Sobolev techniques for random walks on graphs,
Emerging Applications of Number Theory, IMA Volumes in Math. and its Applications
109 (eds. D. A. Hejhal et. al.), 175186, Springer, 1999.

Forced convex ngons in the plane,
Discrete and Computational Geometry 19 (1998), 367371,
(with R.L. Graham).
 Isoperimetric inequalities for Cartesian products of graphs,
Combinatorics, Probability and Computing 7 (1998), 141148,
(with Prasad Tetali).

Eigenvalue inequalities for graphs and convex subgraphs,
Communications on Analysis and Geometry 5 (1997), 575623,
(with S.T. Yau).

A combinatorial trace formula,
Tsing Hua Lectures on Geometry and Analysis,
International Press, Cambridge, Massachusetts, 1997, 107116,
(with S.T. Yau)

Eigenvalues and diameters for manifolds and graphs,
Tsing Hua Lectures on Geometry and Analysis,
International Press, Cambridge, Massachusetts, 1997, 79106,
(with A. Grigor'yan and S.T. Yau).

Logarithmic Harnack inequalities,
Mathematical Research Letters 3 (1996), 793812,
(with S.T. Yau).

Upper bounds for eigenvalues of the discrete and continuous
Laplace operators,
Advances in Mathematics 117 (1996) 165178,
(with A. Grigor'yan and S.T. Yau).

On sampling with Markov chains,
Random Structures and Algorithms 9 (1996) 5577.
(with R. L. Graham and S. T. Yau).
19911995
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A Harnack inequality for homogeneous graphs and subgraphs,
Communications on Analysis and Geometry 2
(1994), 627640,
also in Turkish J. Math. 19 (1995), 273290,
(with S.T. Yau).

Eigenvalues of graphs,
Proceedings of the International Congress of Mathematicians (Zurich, 1994),
Birkhäuser Verlag, Berlin, 13331342.

Eigenvalues of graphs and Sobolev inequalities,
Combinatorics, Probability and Computing 4 (1995), 1126,
(with S.T. Yau).

Groups and the Buckyball,
in Lie Theory and Geometry: In honor of Bertram Kostant (Eds. J.L. Brylinski, R. Brylinski, V. Guillemin and V. Kac)
PM 123, Birkhäuser, Boston, 1994, 97126,
(with Bertram Kostant and Shlomo Sternberg).
 The number of
different distances determined by a set of points in the Euclidean place,
Discrete and Computational Geometry 7 (1992), 111,
(with E. Szemeredi and W.T. Trotter).

A note on finding a strict saddlepoint,
Amer. Math. Monthly 98 (1991), 418419,
(with Daniel Bienstock, Michael Fredman, Alejandro A. Schaffer, Peter W. Shor and Subhash Suri).
19861990
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19811985
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A new bound for Euclidean Steiner minimal
trees,
Discrete geometry and convexity (New York, 1982), 328346,
Ann. New York Acad. Sci. 440, New York Acad. Sci., New York, 1985,
(with R. L. Graham).

On Steiner trees for bounded point sets,
Geometriae Dedicata 11 (1981), 353361,
(with R. L. Graham).
19751980
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19731975
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