Torsion conjecture
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The torsion conjecture is an important idea in mathematics, especially in areas called algebraic geometry and number theory. It talks about something called the torsion group of special mathematical shapes known as abelian varieties. The conjecture suggests that the size, or order, of this torsion group can be limited, or bounded, based on two things: how complex the shape is (its dimension of the variety) and which number system, or number field, it comes from (number field).
One version of the torsion conjecture even says that the size of the torsion group depends only on the complexity of the shape and the degree of the number field. This means we could predict the maximum size of the torsion group without needing to know every detail about the specific shape or number field.
So far, mathematicians have fully solved the torsion conjecture when dealing with simpler shapes called elliptic curves. This progress shows how deep and challenging this problem is, and it helps us understand more about the hidden structures in numbers and shapes. The conjecture is linked to other important ideas, like the uniform boundedness conjecture, which also tries to find limits in mathematical objects.
Elliptic curves
From 1906 to 1911, Beppo Levi studied how points can repeat their positions on special math shapes called elliptic curves. He found many different ways these points could repeat.
Later, mathematicians worked on guessing all the possible ways points could repeat on these curves. Barry Mazur proved a big guess called the torsion conjecture for these curves. Others built on his work, showing the results worked for more complex number systems too.
| d {\displaystyle d} | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| S ( d ) {\displaystyle S(d)} | Primes ( 7 ) {\displaystyle {\text{Primes}}(7)} | Primes ( 13 ) {\displaystyle {\text{Primes}}(13)} | Primes ( 13 ) {\displaystyle {\text{Primes}}(13)} | Primes ( 17 ) {\displaystyle {\text{Primes}}(17)} | Primes ( 19 ) {\displaystyle {\text{Primes}}(19)} | Primes ( 19 ) โช { 37 } {\displaystyle {\text{Primes}}(19)\cup \{37\}} | Primes ( 23 ) {\displaystyle {\text{Primes}}(23)} | Primes ( 23 ) {\displaystyle {\text{Primes}}(23)} |
| d {\displaystyle d} | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| S โฒ ( d ) {\displaystyle S'(d)} | Primes ( 7 ) {\displaystyle {\text{Primes}}(7)} | Primes ( 13 ) {\displaystyle {\text{Primes}}(13)} | Primes ( 13 ) {\displaystyle {\text{Primes}}(13)} | Primes ( 17 ) {\displaystyle {\text{Primes}}(17)} | Primes ( 19 ) {\displaystyle {\text{Primes}}(19)} | Primes ( 19 ) {\displaystyle {\text{Primes}}(19)} | Primes ( 23 ) {\displaystyle {\text{Primes}}(23)} | Primes ( 23 ) {\displaystyle {\text{Primes}}(23)} |
This article is a child-friendly adaptation of the Wikipedia article on Torsion conjecture, available under CC BY-SA 4.0.
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