Draft:Prime Relation




The Prime relation is a special type of equivalence relation on hyperrings (and hypermodules), which can be regarded as a congruence relation modulo a prime hyperideal (or a prime sub-hypermodule). Prime relations arise in pure mathematics, particularly in algebra, algebraic geometry, algebraic topology, and the theory of algebraic hyperstructures. Through prime relations, hyperrings can be reduced to integral domains (rings without zero divisors), while geometric and topological structures arising from hyperrings are translated into their corresponding classical geometric and topological structures. Every prime relation on a hyperring is in one-to-one correspondence with a prime hyperideal. More precisely, if is a prime relation on a hyperring , then a prime hyperideal can be derived from . Conversely, if is a prime hyperideal of , then the congruence relation modulo is a prime relation on . As a consequence, the Zariski topology determined by the prime hyperideals of a hyperring is homeomorphic to the topology induced by the prime relations on .

Definition

A krasner hyperring is an algebraic structure which satisfies following axioms:

  • is a canonical hypergroup, i.e.,
  1. for every , ,
  2. for every , ,
  3. there exists such that for every ,
  4. for every , there exists a unique element such that , ( is represented by ),
  • implies and ;
  • is a semigroup having zero as a bilaterally absorbing element, i.e., ,
  • the multiplication is distributive with respect to the hyperoperation .[1]

A Krasner hyperring is called commutative (with unite element) if is a commutative semigroup (with unite element).[1]

An equivalence relation on a Krasner hyperring is called strongly regular relation if for every and we have:

  • , (i.e. , for every and ),
  • , (i.e. ).[2]

Definition[3]: A strongly regular relation on a Krasner hyperring is called prime, if for every and in , we have:

A subhyperring of a Krasner hyperring is a left (right) hyperideal of if (), for all . In particular, I is called a hyperideal if is both a left and a right hyperideal.[2]

A proper hyperideal of a Krasner hyperring is called prime if for every pair of hyperideals and of : .

Lemma[3]: If is a strongly regular relation on Krasner hyperring , then is prime if and only if is prime hyperideal of .

Example

Example[3]:Consider the Krasner hyperring as follows:

+ 0 1 a b c d e f
0 0 1 a b c d e f
1 1 a,d b,e c 1,f e 0,c a
a a b,e 0,c 1 a,d c 1,f e
b b c 1 d e f a 0
c c 1,f a,d e 0,c a b,e 1
d d e c f a 0 1 b
e e 0,c 1,f a b,e 1 a,d c
f f a e 0 1 b c d
. 0 1 a b c d e f
0 0 0 0 0 0 0 0 f
1 0 1 a b c d e f
a 0 a c d c 0 a d
b 0 b d f 0 d f b
c 0 c c 0 c 0 c 0
d 0 d 0 d 0 0 d d
e 0 e a f c d 1 b
f 0 f d b 0 d b f

Let and , then by definition, is a prime relation and it can also be seen that is a prime hyperideal of . On the other hand, is not prime, because but . Furthermore, is not a prime hyperideal of either.

History

The prime relations were first introduced in 2025 by B. Afshar, while working on Zariski topology of Krasner hyperrings, to express algebraic varieties in terms of strongly regular relations.[3] These relations help to more easily examine the connection of hyperstructural algebraic geometry with the classical state, and in addition, they have many applications in the study of sheaves of algebraic hyperstructures.

References

  1. ^ a b Davvaz, Bijan; Leoreanu-Fotea, Violeta (2007). Hyperring theory and applications1. USA: International Academic Press. ISBN 978-1-57485-064-2.
  2. ^ a b Davvaz, Bijan; Leoreanu-Fotea, Violeta (2024). Krasner Hyperring Theory. World Scientific. p. 143-147. ISBN 978-981-12-8540-0.
  3. ^ a b c d Afshar, Behnam; Ameri, Reza; Al-Tahan, Madeleine (2025). "Zariski topology of (Krasner) hyperrings". European Journal of Pure and Applied Mathematics. 18 (4): 6099. doi:10.29020/nybg.ejpam.v18i4.6690.

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