This work is devoted to the study of threshold signature schemes.The systematization of the threshold signature schemes was done, cryptographic constructions based on interpolation Lagrange polynomial, ellipt ic curves and bilinear Rompers pairings were investigated.Different methods of generation and verification of threshold signatures were explo
This paper investigates volatility spillovers between eleven equity markets located in Europe, Asia, Latin America and the Detergent US from July 1992 to July 1999.The absolute value of stock returns is adopted as volatility index.The VAR methodology--duly adjusted in order to account for differences in market trading times--is used to examine
Cellulose nitrate was a cellulose derivative applied in various applications, from plastics to solid propellants for military ammunition and rocketry.Environmental impact from using cotton linter or wood as a source of cellulose for cellulose nitrate industry promoting attempt to use agricultural waste as an alternative source of cellulose.Utilizin