Read More
Date: 13-7-2021
2025
Date: 26-9-2016
1277
Date: 29-5-2021
1575
|
In the process of attaching a -handle to a manifold , the boundary of is modified by a process called -surgery. Surgery consists of the removal of a tubular neighborhood of a -sphere from the boundaries of and the standard sphere, and the gluing together of these two scarred-up objects along their common boundaries.
REFERENCES:
Cappell, S.; Ranicki, A.; and Rosenberg, J. (Eds.). Surveys on Surgery Theory, Vol. 1. Princeton, NJ: Princeton University Press, 2000.
|
|
كيف تساهم الأطعمة فائقة المعالجة في تفاقم مرض يصيب الأمعاء؟
|
|
|
|
|
مشروع ضخم لإنتاج الهيدروجين الأخضر يواجه تأخيرًا جديدًا
|
|
|
|
|
المجمع العلمي يختتم دورته القرآنية في فن الصوت والنغم بالطريقة المصرية
|
|
|