1. ON THE TRANSFORMATIONS OF N-LINEAR CONNECTIONS IN THE K-OSCULATOR BUNDLE. Authors: MONICA PURCARU, MIRELA TARNOVEANU.2. ON THE INTEGRABILITY OF A SYMPLECTIC STRUCTURE ON TANGENT BUNDLE. Authors: MONICA PURCARU.3. SOME RESULTS ON TRANSFORMATIONS GROUPS OF N-LINEAR CONNECTIONS IN THE 2-TANGENT BUNDLE. Authors: GH. ATANASIU, MONICA PURCARU.4. ON TRANSFORMATIONS GROUPS OF N−LINEAR CONNECTIONS ON THE DUAL BUNDLE OF k−TANGENT BUNDLE. Authors: MIRELA TÂRNOVEANU, MONICA PURCARU.