the rank-k numerical range has a close connection to the construction of quantum error correction code for a noisy quantum channel. for noisy quantum channel, a quantum error correcting code of dimension k exists if and only if the associated joint rank-k numerical range is non-empty. in this paper the notion of joint rank-k numerical range is generalized and some statements of [2011, generaliz...

globalization is a worldwide phenomenon. the concept globalization is a very recent term only establishing its current meaning in the 1970s, which emerged from the intersection of four inter related sets of communities of practice, academics, journalists, publishers. this paper models the channels through which globalization affects financial sector development in nigeria. to this end this stud...

We explore the consequences of Lorentz noninvariance (LNI) for the Eotvos experiments in several models. It is shown that a violation of Lorentz invariance leads to an anomalous difference in the gravitational acceleration of two test masses which depends on their composition. Using the present experimental limits from the Eotvos experiments, we then derive a limit on the magnitude of a possibl...

We prove a general form of bit flip formula for the quantum Fourier transform on finite abelian groups and use it to encode some general CSS codes on these groups.

The packet combining scheme is a well defined simple error correction scheme with erroneous copies at the receiver. It offers higher throughput combined with ARQ protocols in networks than that of basic ARQ protocols. But packet combining scheme fails to correct errors when the errors occur in the same bit locations of two erroneous copies. In the present work, we propose a scheme that will cor...

The rank-k numerical range has a close connection to the construction of quantum error correction code for a noisy quantum channel. For noisy quantum channel, a quantum error correcting code of dimension k exists if and only if the associated joint rank-k numerical range is non-empty. In this paper the notion of joint rank-k numerical range is generalized and some statements of [2011, Generaliz...

Absiruct-A linear code C over GF( q) is good for t-error-correction and error detection if P(C, t; c) I P(C, t; (q 1)/q) for all z, 0 s c I (q 1)/q, where P( C, t; c) is the probability of an undetected error after a codeword in C is transmitted over a q-ary symmetric channel with error probability c and correction is performed for ail error patterns with t or fewer errors. A sufficient conditi...

The current review article investigates some variables contributing to English language teaching and learning. Three factors of age, motivation and error correction have been of importance in English language curricula in language centres. Some studies have been conducted to investigate various effects of these three components on English language acquisition, those studies, however, may lack d...