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papers-we-love_papers-we-love/mathematics/README.md
Toyeshh Medikonda 9b92363eac Fix broken hosted-paper link and typos in topic READMEs (#894)
* Fix broken hosted-paper link and typos in topic READMEs

The FRP index links the hosted paper as
[Deprecating the Observer Pattern](deprecating-the observer-pattern.pdf).
The file on disk really is named with a space, but an unescaped space is not
allowed in a CommonMark link destination, so the entry renders as literal text
instead of a link. Percent-encode the space so it resolves to the committed PDF.

Also correct misspellings in paper titles and descriptions:

- Algorithims -> Algorithms (comp_sci_fundamentals_and_history)
- simplifed -> simplified (data_structures)
- sucessful -> successful, numberator -> numerator,
  demoninator -> denominator, authoratitative -> authoritative
  (information_retrieval)
- Expresions -> Expressions (logic_and_programming)
- represention -> representation (mathematics)
- Probablistic -> Probabilistic (robotics, sublinear_algorithms)
- Philppe -> Philippe (streaming_algorithms)

* Rename the Deprecating the Observer Pattern PDF to drop the space

Per review, renaming the file rather than percent-encoding the link.
2026-09-29 05:45:39 -04:00

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## Mathematics
* :scroll: [The Transcendence of Pi](transcendence-of-pi.pdf) by Steve Mayer
* :scroll: [Tilings](tilings.pdf) by Ardila
The paper covers a broad swath of the topic on analysis of tiling, and related strategies.
* :scroll: [From Dominoes to Hexagons](from-dominoes-to-hexagons.pdf) by Thurston
A paper on the generalization of tilings across different base planes.
* :scroll: [Graph Isomorphism and Representation Theory](graph-isomorphism-and-representation-theory.pdf) by Daniel Litt
The *graph isomorphism problem* shows how to construct graphs using a simple building-block ("basis"). The same method applies to finding different building blocks to construct the same things. This technique can be applied to file systems, greplin, trees, virtual DOM, etc.
A short paper, it also shows how to use `𝔰𝔩₂(ℂ)` as a simple mathematical object that leads into the area of real mathematics—representation theory.
* [Conway's ZIP proof](https://www.maths.ed.ac.uk/~v1ranick/papers/francisweeks.pdf) by George Francis and Jeffrey Weeks
This paper presents a classification proof: "How can it be that you know something about _all possible_ `X`, even the `xϵX` you haven’t seen yet?" The well-diagramed discussion requires no calculus, crypto, ML, or dense notation, making it good for most knowledge levels.
* [Packing of Spheres](http://neilsloane.com/doc/Me109.pdf) by N. Sloane
Discusses the role of E8 & Leech lattices in optimal codes for mathematically-ideal compression. Ikosahedrons, a tool in this investigation, are also presented.
* [Some Underlying Geometric Notions](https://pi.math.cornell.edu/~hatcher/AT/AT.pdf) by Hatcher
High-Level survey which relates disparate topics, e.g. Platonic solids (A-D-E), Milnor’s exceptional fibre, and algebra.
* [What is a Young Tableaux?](https://www.ams.org/notices/200702/whatis-yong.pdf) by Alexander Yong
Young Tableau appear in combinatoric problems, representation theory, and the calculus of Grassmannians. Another common topic is sorting, and smarter ways to organise sub-sorts.
### Topology
* [Topology of Numbers](https://pi.math.cornell.edu/~hatcher/TN/TNbook.pdf) by hatcher
* [Applied Algebraic Topology and Sensor Networks](https://www.math.upenn.edu/~ghrist/preprints/ATSN.pdf) by Robert Ghrist
* :scroll: [Intro to Tropical Algebra Geometry](intro-to-tropical-algebraic-geometry.pdf)
Recently there have been some papers posted about tropical geometry of neural nets. Tropical is also said to be derived from CS. This is a good introduction.
* [Elements of Algebraic Topology: Sheaves](https://www.math.upenn.edu/~ghrist/EAT/EATchapter9.pdf) by Ghrist
Seminal writing on topological structures, from one most lauded books 'Elements of Algebraic Topology'