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--- status: DRAFT
--- author(s): MES, taken from Dan's
--- notes:
document {
Key => {comodule,
(comodule, Ideal),
(comodule, Module),
(quotient, Ideal),
(quotient, Module)
},
Headline => "submodule to quotient module",
Usage => "comodule M\nquotient M",
Inputs => {
"M" => Module => {"or an ", TO2(Ideal,"ideal")}
},
Outputs => {
Module => {"the quotient module ", TT "N/M", ", if ", TT "M", " is given as a submodule $M \\subset N$",
", where ", TT "N", " is either a free module or a quotient of a free module."},
},
EXAMPLE {
"R = QQ[a..d];",
"I = ideal(a,b,c,d^3);",
"comodule I"
},
SeeAlso => {image, cokernel, kernel}
}
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