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Submissions from 2014

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Complex Descartes Circle Theorem, Sam Northshield

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A New Parameterization of Ford Circles, Sam Northshield and Annmarie McGonagle

Submissions from 2013

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A root-finding algorithm for cubics, Sam Northshield

Submissions from 2012

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A Lyness equation for graphs, Sam Northshield

Submissions from 2011

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A short proof and generalization of Lagrange’s theorem on continued fractions, Sam Northshield

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Integrating across Pascal's triangle, Sam Northshield

Submissions from 2010

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On Stern’s Diatomic Sequence 0,1,1,2,1,3,2,3,1,4,..., Sam Northshield

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Square Roots of 2x2 Matrices, Sam Northshield

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Sums across Pascal's triangle modulo 2, Sam Northshield

Submissions from 2009

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On two types of exotic addition, Sam Northshield

Submissions from 2007

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Not mixing is just as cool, Sam Northshield

Submissions from 2006

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On integral Apollonian circle packings, Sam Northshield

Submissions from 2002

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Associativity of the Secant Method, Sam Northshield

Submissions from 2001

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On Iterates of Moebius transformations on fields, Sam Northshield

Submissions from 1998

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A note on the Zeta Function of a Graph, Sam Northshield

Submissions from 1995

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On the spectrum and Martin boundary of homogeneous spaces, Sam Northshield

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On the Commute Time of Random Walks on Graphs, Sam Northshield and José Luis Palacios

Submissions from 1993

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Amenability and superharmonic functions, Sam Northshield

Submissions from 1992

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Cogrowth of Regular Graphs, Sam Northshield

Submissions from 1991

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Geodesics and Bounded Harmonic Functions on Infinite Graphs, Sam Northshield