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The World We Make (2022)
N. K. Jemisin

Readers of the first novel in the series, The City We Became, have already met Padmini Prakash. She loves pure math and hates New York City, but due to familial pressures is preparing to be a Wall Street "quant". (Oh, she has also been personally chosen by the borough of Queens, NY as its human avatar.) She plays a larger role in this sequel, which according to Aidan Tompkins, qualifies it as mathematical fiction:

Contributed by Aidan Tompkins

Readers of speculative fiction know that it's worth finishing a series for the finale, and that is doubly true for the Great Cities duology. The second book has even more math concepts than the first to think about, where the character that uses magic math has a major role. Padmini starts as a grad student in New York, where The World We Make mainly focuses on a large cast of characters that represent different cities. Padmini channels her "city magic" by imagining constructs from math, and I'm a sucker for badass equations. In many ways, it's similar to the parts I like from Middlegame, including high-stakes action with problem solving in parallel universes, and I even preferred the execution of the magic math in The World We Make! Padmini has enough social skills so she doesn't fit into a savant pigeonhole, even as the aro/ace member of the LGBTQIA cast. The references to "non-Euclidean geometries" are a little more accurate than Lovecraft, at least, and the other descriptions of the quantum multiverse are surprisingly coherent. At least, it made sense to me even though I'd never heard the word kugelblitz, so I recommend everyone listen to the audiobook with all its fourth-wall breaks and creepy sound effects!

(quoted from The World We Make)

"There are no equations for the math of the multiverse, other than the tentative ones she has begun to develop from looking at patterns in the raw coordinates, but... The coordinates are different."

(quoted from The World We Make)

"Oh! what is math to her is art to him---but there's not as much daylight between art and math as most people seem to think."

(quoted from The World We Make)

"Life runs on chaos math."

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Works Similar to The World We Make
According to my `secret formula', the following works of mathematical fiction are similar to this one:
  1. Middlegame by Seanan McGuire
  2. Saint Joan of New York: A Novel About God and String Theory by Mark Alpert
  3. Ninefox Gambit by Yoon Ha Lee
  4. An Alchemy of Masques and Mirrors: Book One in the Risen Kingdoms by Curtis Craddock
  5. Yesternight by Cat Winters
  6. Coyote Moon by John A. Miller
  7. Threshold by Sara Douglass
  8. An Angel of Obedience by John Giessmann
  9. Black Numbers by Dean Frank Lappi
  10. Damned Souls and Statistics by Robert Dawson
Ratings for The World We Make:
RatingsHave you seen/read this work of mathematical fiction? Then click here to enter your own votes on its mathematical content and literary quality or send me comments to post on this Webpage.
Mathematical Content:
3/5 (1 votes)
Literary Quality:
4/5 (1 votes)

MotifCool/Heroic Mathematicians, Academia, Aliens, Female Mathematicians, Math as Beautiful/Exciting/Useful,
TopicMathematical Physics, Chaos/Fractals,

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Exciting News: The 1,600th entry was recently added to this database of mathematical fiction! Also, for those of you interested in non-fictional math books let me (shamelessly) plug the recent release of the second edition of my soliton theory textbook.

(Maintained by Alex Kasman, College of Charleston)