Conference – 1992 Equation

c t = t 1 w t + λ t p t MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaae4yamaaBa aaleaacaqG0baabeaakiabg2da9maaBaaaleaacaqG0bGaeyOeI0Ia aGymaaqabaGccaqG3bWaaSbaaSqaaiaabshaaeqaaOGaey4kaSIaeq 4UdW2aaSbaaSqaaiaabshaaeqaaOGaeyOeI0IaaeiCamaaBaaaleaa caqG0baabeaaaaa@44D1@