AN excellent introduction to the subject of vector analysis is provided by this book. It is admirably clear, and a natural temptation to develop so fertile a theory in excessive detail and to ...

Qamrul Hasan Ansari *, Somayeh Eshghinezhad, Majid Fakhar, EKELAND'S VARIATIONAL PRINCIPLE FOR SET-VALUED MAP SWITH APPLICATIONS TO VECTOR OPTIMIZATION IN UNIFORM SPACES, Taiwanese Journal of ...

We give a criterion for the subsheaf G (-D) ⊂ F to lift to W, in terms of the geometry of a scroll in the extension space PH¹ (X, Hom (F, E)). We use this criterion to describe the tangent cone to the ...

Object Details Author Bangura, Abdul Karim 1953- Contents General introduction -- Beginnings : mathematics of bones -- Geometry south of the Sahara -- Numbers -- Beginnings of written mathematics: ...