@article{article_295208, title={2-Crossed modules over same base}, journal={Sakarya University Journal of Science}, volume={21}, pages={1210–1220}, year={2017}, DOI={10.16984/saufenbilder.295208}, author={Yılmaz, Koray}, keywords={Category,Crossed Module,Exact Category}, abstract={<p class="zet"> <span style="font-size:12pt;line-height:150%;">In the category of 2-Crossed modules over same base geven a morphism </span> <span style="font-size:11pt;line-height:107%;font-family:Calibri, ’sans-serif’;"> </span> <span style="font-size:12pt;line-height:150%;"> , we obtain its kernell pair via pullback. Then showed that the kernell pair has a co-equaliser . The conditionsfor an exact category are satisfied by showing every equivalence relation in this category is effective. </span> <span style="font-size:12pt;line-height:150%;"> </span> </p> <p> </p>}, number={6}, publisher={Sakarya University}