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Distribution and Generalized Center in Planar Nearrings
Rings and Algebras · Submitted 5 Jul 2016
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim If a planar nearring has nonzero distributive elements, then it is an extension of its zero multiplier part by an abelian group.
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The abstract, sentence by sentence
Planar nearrings play an important role in nearring theory, both from the structural side as being close to generalised nearfields, as well as from an applications perspective, in geometry and designs. We investigate the distributive elements of planar nearrings. If a planar nearring has nonzero distributive elements, then it is an extension of its zero multiplier part by an abelian group. In the case that there are distributive elements that are not zero multipliers, then this extension splits, giving an explicit description of the nearring. This generalises the structure of planar rings. We provide a family of examples where this does not occur, the distributive elements being precisely the zero multipliers. We apply this knowledge to the question of determining the generalized center of planar nearrings as well as finding new proofs of other older results.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Planar nearrings play an important role in nearring theory, both from the structural side as being close to generalised nearfields, as well as from an applications perspective, in geometry and designs. | background 1.00 | 0.04 | 0.03 | asserted 1.00 |
| s1 | We investigate the distributive elements of planar nearrings. | contribution 1.00 | 0.88 | 0.04 | asserted 0.68 |
| s2 | If a planar nearring has nonzero distributive elements, then it is an extension of its zero multiplier part by an abelian group. | result 1.00 | 0.81 | 0.37 | asserted 1.00 |
| s3 | In the case that there are distributive elements that are not zero multipliers, then this extension splits, giving an explicit description of the nearring. | result 1.00 | 0.86 | 0.23 | asserted 1.00 |
| s4 | This generalises the structure of planar rings. | interpretation 0.95 | 0.75 | 0.13 | asserted 1.00 |
| s5 | We provide a family of examples where this does not occur, the distributive elements being precisely the zero multipliers. | result 0.49 | 0.93 | 0.08 | asserted 1.00 |
| s6 | We apply this knowledge to the question of determining the generalized center of planar nearrings as well as finding new proofs of other older results. | contribution 0.96 | 0.93 | 0.17 | asserted 1.00 |
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Original abstract
Planar nearrings play an important role in nearring theory, both from the structural side as being close to generalised nearfields, as well as from an applications perspective, in geometry and designs. We investigate the distributive elements of planar nearrings. If a planar nearring has nonzero distributive elements, then it is an extension of its zero multiplier part by an abelian group. In the case that there are distributive elements that are not zero multipliers, then this extension splits, giving an explicit description of the nearring. This generalises the structure of planar rings. We provide a family of examples where this does not occur, the distributive elements being precisely the zero multipliers. We apply this knowledge to the question of determining the generalized center of planar nearrings as well as finding new proofs of other older results.
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