Read More
Date: 4-8-2021
1536
Date: 24-9-2016
1837
Date: 25-7-2021
1912
|
A subspace of is called a retract of if there is a continuous map (called a retraction) such that for all and all ,
1. , and
2. .
Equivalently, a subspace of is called a retract of if there is a continuous map (called a retraction) such that for all ,
|
|
دراسة تحدد أفضل 4 وجبات صحية.. وأخطرها
|
|
|
|
|
العتبة العباسية تستعدّ لتكريم عددٍ من الطالبات المرتديات للعباءة الزينبية في جامعات كركوك
|
|
|