shh.homolalg
Interface KernelledCatObj

All Superinterfaces:

Obj

All Known Subinterfaces:

ExactCategoryObj

All Known Implementing Classes:

CochainCx, Qvsp

public interface KernelledCatObj

extends Obj

Same as ExactCategoryObj. See KernelledCatMorphism and ExactCategoryMorphism for the differences between exact and kernelled categories.

Author:

Mark McConnell

Method Summary

KernelledCatMorphism	getZeroMorphism(KernelledCatObj source) Returns the zero morphism from source to this.
boolean	isZero() Whether this is a zero object.

Methods inherited from interface Obj

getIdMorphism

Method Detail

isZero

public boolean isZero()

Whether this is a zero object.

getZeroMorphism

public KernelledCatMorphism getZeroMorphism(KernelledCatObj source)

Returns the zero morphism from source to this.