Definition:Internal Direct Product/Also known as
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Internal Direct Product: Also known as
Some sources refer to the internal direct product simply as the direct product.
Others call it the direct composite.
It is also commonplace for sources which evolve their expositions on abstract algebra purely from an arithmetical perspective to refer to the direct sum when the operation is, or derives from, addition.
Sources
- 1965: Seth Warner: Modern Algebra ... (previous) ... (next): Chapter $\text {II}$: New Structures from Old: $\S 13$: Compositions Induced on Cartesian Products and Function Spaces