I. INTRODUCTION

II. E- AND B-MODE POLARIZATION OF CMB

III. E- AND B-MODE DECOMPOSITION IN PARTIAL SKY

IV. THE IMPRINT OF E-TO-B LEAKAGE AND MINKOWSKI FUNCTIONALS ANALYSIS
A. Minkowski Functionals
B. Method
C. Results

V. OTHER STATISTICS
A. Betti numbers
B. Skewness and kurtosis

VI. CONCLUSIONS