Proofs Without Words

Series 5

Authors

  • Paul Gartside Department of Mathematics, University of Pittsburgh, Pittsburgh, PA

DOI:

https://doi.org/10.5195/pimr.2026.86

Abstract

The Conway circle theorem and $$\sum_{n=1}^{\infty} \left(\frac{1}{4}\right)^n = \frac{1}{3}.$$

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Published

2026-09-02

How to Cite

[1]
P. Gartside, “Proofs Without Words: Series 5”, Pittsburgh Interdiscip. Math. Rev., vol. 5, p. 131, Sep. 2026.

Issue

Vol. 5 (2026)

Section

Proofs Without Words

License

Copyright (c) 2026 Paul Gartside

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.