@article{HAIDER_KHAN_HUSAIN_1993, title={TOTALLY UMBILICAL SEMI-INVARIANT SUBMANIFOLDS AND CR-SUBMANIFOLDS OF A SASAKIAN MANIFOLD}, volume={24}, url={https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4486}, DOI={10.5556/j.tkjm.24.1993.4486}, abstractNote={<div class="page" title="Page 1"> <div class="layoutArea"> <div class="column"> <p><span style="font-size: 10.000000pt; font-family: ’TimesNewRomanPSMT’;">In the present paper, a classification theorem for totally um- </span><span style="font-size: 10.000000pt; font-family: ’TimesNewRomanPS’; font-weight: bold;">bilical semi-invariant submanifold is established. CR-submanifolds </span><span style="font-size: 10.000000pt; font-family: ’TimesNewRomanPSMT’;">of a </span><span style="font-size: 10.000000pt; font-family: ’TimesNewRomanPS’; font-weight: bold;">Sasakian space form are studied in detail, and finally a theorem for a </span><span style="font-size: 11.000000pt; font-family: ’TimesNewRomanPS’; font-weight: bold; font-style: italic;">CR- </span><span style="font-size: 10.000000pt; font-family: ’TimesNewRomanPS’; font-weight: bold;">submanifold of a Sasakian manifold to be a proper contact </span><span style="font-size: 10.000000pt; font-family: ’TimesNewRomanPSMT’;">CR-product is </span><span style="font-size: 10.000000pt; font-family: ’TimesNewRomanPS’; font-weight: bold;">proved. </span></p> </div> </div> </div>}, number={2}, journal={Tamkang Journal of Mathematics}, author={HAIDER, S. M. KHURSEED and KHAN , V. A. and HUSAIN, S. I.}, year={1993}, month={Jun.}, pages={161–172} }