Notices of the American Mathematical Society
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- Volume 72 | Number 4 | April 2025
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What Is ...
Short, non-technical articles offering orientation to varied subjects.
February 2025
- What is... Treewidth?
David Eppstein
December 2024
- What is... Optical Geometry?
Marcus C. Werner
November 2024
- What is... the Bateman–Horn Conjecture?
Stephan Ramon Garcia
October 2024
- What is... the Dowling–Wilson Conjecture?
Tom Braden, Jacob P. Matherne and Nicholas Proudfoot
September 2024
- What is... a Parking Function?
J. Carlos Martínez Mori
April 2024
- What is... a Białynicki-Birula Decomposition?
Alberto Franceschini
January 2024
- What is... a Skew Brace?
Leandro Vendramin
December 2023
- What is... an Inductive Mean?
Frank Nielsen
May 2023
- What is... a Metaplectic Group?
Martin H. Weissman
April 2023
- What is... an Equivariant Neural Network?
Lek-Heng Lim and Bradley J. Nelson
October 2022
- What is... a Graphical Design?
Catherine Babecki
November 2021
- What is... the Dirac Equation?
M. Burak Erdoğan, William R. Green and Ebru Toprak
August 2021
- What is... a Companion?
Anna Cadoret
April 2021
- What is... the VC-Dimension?
Samuel C. Tenka
January 2021
- What is... a Hyperpolygon?
Steven Rayan and Laura P. Schaposnik
June/July 2020
- What is... a Minuscule Representation?
Richard M. Green
October 2019
- What is... a Hereditarily Indecomposable Banach Space?
Hossein Hosseini Giv
August 2019
- What is... a Markov Basis?
Sonja Petrović
June/July 2019
- WHAT IS...a Thin Group?
Alex Kontorovich, D. Darren Long, Alexander Lubotzky and Alan W. Reid
May 2019
- What is...A Coleman Integral?
Jennifer S. Balakrishnan
April 2019
- What is Falconer’s Conjecture?
Alex Iosevich
October 2018
September 2018
- WHAT IS...a Matroidal Family of Graphs?
J. M. S Simões-Pereira
June/July 2018
- WHAT IS...the Langlands Program?
Solomon Friedberg
December 2017
- WHAT IS...a Scheme?
Tom Gannon
November 2017
October 2017
- What is...Perimeter?
Editors
September 2017
- WHAT IS... a Sobolev Orthogonal Polynomial?
Francisco Marcellán and Juan J. Moreno-Balcázar
August 2017
- WHAT IS...a CR Submanifold?
Phillip S. Harrington and Andrew Raich
June/July 2017
May 2017
- WHAT IS...a Virtual Knot?
Daniel S. Silver and Susan G. Williams
April 2017
- WHAT IS...Tropical Geometry?
Eric Katz
March 2017
- WHAT IS... an Elliptic Curve?
Álvaro Lozano-Robledo and Harris B. Daniels
February 2017
- WHAT IS...Benford’s Law?
Arno Berger and Ted Hill
January 2017
- WHAT IS...a Complex Symmetric Operator?
Stephan Ramon Garcia
December 2016
- WHAT IS... Symplectic Geometry?
Tara S. Holm