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Publications of Gheorghita ZBÃGANU:

 Research Papers

1.
Two-parameter filtrations with respect to which all martingales are strong, Zeit. fur Wahrsch. verw. Geb 61, 1982, p. 437-452 (împreunã cu Zhuang Xigwu).

Reviewed(84k:60047) de Xavier Guyon 60G07(60G60)

Cited by

a. Xing Wu Zhuang ºi Chen Peide , On local comparability among families of sub s- fields, , Acta Mathematica Sinica 24, 2, p. 137-144 (1988)

b. M. Dozzi, Stochastic processes with a multidimensional parameter, Longman Scientific & Technical , 1989.

c. Xing Wu Zhuang, Local Comparability and Vitali condition, Acta Mathematica Sinica 33, 2, p. 244-250(1990)  

2.
On a theorem concerning convergence of martingales with N2 as index set. , Revue Roum.Math. Pures et Appl., 22,8, 1977, p. 1177-1182

Reviewed (57 #14128) de Denis du Brucq 60G45  

3.
Asupra modelãrii unor procese de uzurã in Lucrarile Conferintei Nationale de Teoria probabilitãþilor ºi Statisticã , Craiova, 1982, p. 232-246.

Reviewed(842 706) 690B25  

4.
Asupra unei conjecturi privind mediile condiþionate, Lucrºrile Conferinþei Naþionale de Teoria probabilitãþilor ºi Statisticã , Craiova, 1982, p. 247 - 252

Reviewed(842 707) (60A10)  

5.
Asupra celor mai buni aproximanþi in spaþiile Lp , Stud. Cerc. Mat., 35, 1983, p. 549-561.

Reviewed(85k:41034) de W.W. Bruckner 41A30(46E30)  

6.
Semimarkov models in characterization of telephonic communication channels, Progress in Electronics and Information, 13, 97-105, 1983, p. 97-105 (cu I. Duma ºi G. Oprisan).

Reviewed(792 676) 94A05(60K20  

7.
Ortogonalitatea a doua spaþii de tipul L? ºi studiul unor filtraþii cu indici dubli, Stud. Cerc. Mat., 36, 1984, p.63-72.

Reviewed(85k:60050) 60G05(60A10)  

8.
Two inequalities concerning centered moments , in Proceedings of the 7'th Conf. Probab. Theory Braºov 1982, Editura Academiei Române, Bucureºti 1984, p. 515-518.

Reviewed(88a:60043) de F. Moricz ;60E15

Citat de R. Zaharopol, On products of Conditional Expectation Operators, Canadian Mathematical Bulletin , 33 (3), 1990, p. 257-260  

9.
On stochastically independent continuous functions, Revue Roum.Math. Pures et Appl., 28, 1985, p. 479-483 (cu Florin Gonzacenco).

Reviewed(84j:60024) de J. Galambos ; 60E05  

10.
On computing the OC and ASN for some Markovian SPRT, in Sequential Methods in Statistics. Banach Center Publicationst , 16, PWN Warsaw 1985, p. 423-436 (cu G. Obreja).

Reviewed(87h:62143) de F. Norbert Schmiz ; 62L10 (62M02)  

11.
Some entropy-like indices and their connection with the metrization of the space of the s -algebras, Stud. Cerc. Mat., 38, 1986, p. 72-84.

Reviewed(88c:60013) de E.S. Boylan ; 60A10 (60G42)

Citat de

a. T. Van Zandt, The Haussdorff Metric of s -fields and the value of the information, Ann. Prob. 21, nr. 1, 161-167 (1993).

b. T. H. Blake, Generalized martingales , Probability theory rel. Fieds 79, 3, p. 465-490 (1988)  

12.
Continuous independent functions and construction of processes on W =(0,1), Revue Roum. Math. Pures et Appl., 31, 1986, p. 77-84.

Reviewed(87j:60060) de William Torrez ; 60G15 (60G17)  

13.
A generalization of (F4)-hypothesis of Cairoli and Walsh, Revue Roum. Math. Pures et Appl., 31, 1986, p. 919-922.

Reviewed(88d:60132) de A. Al Husaini ; 60G42 (60G48)  

14.
Some remarks concerning the angle between two subspaces of Lp ,Revue Roum. Math. Pures et Appl., 32, 1987, p. 273-286.

Reviewed(89g:46060) ; 46E30 (28C99)  

15.
Martingale cu indici dubli cu creºteri ortogonale ºi martingale cu variaþie independentã de drum, Stud. Cerc. Mat. , 39, 1987, p. 79-94.

Reviewed(88h:60093) ; 60G48  

16.
When is a planar set a union between a horizontal graph and a vertical one?, Stud. Cerc. Mat. 41, 1989, p. 55-60.

Reviewed(90g:05163) de Larry Bassenspiler ; 05C99  

17.
Some Banach Algebras of functions with bounded variation, Stud.Cerc. Mat., 41 , 1989, p. 513-519 (cu G. Rãuþu)

Reviewed(91e:46068) de F. Brooks ; 46J10

Citat de M. Iosifescu, S. Grigorescu, Dependence with complete connections, Cambridge University Press, 1990  

18.
Computing the angle between two L? - spaces, Stud. Cerc.Mat., 41, 1989, p. 143-148.

Reviewed(90m:46050) de M. Ostrovski ; 46E30  

19.
A class of entropy-like ergodicity coefficients and generalization of Hardy-Littlewood-Polya theorem, Proceedings of Statistical Data Analysis Varna 1992 p. 138-148.  
20.
A class of contraction coefficients and improving the majorization inequalities, Revue Roum. Math. Pures et Appl., 37, 1992, p. 945-957.

Reviewed(94c:15030) de E. Seneta ; 15A51  

21.
Waiting for an ape to type a poem. Bul. Acad. Stiinþe a Republicii Moldova, 2(8), 1992, p. 66-81.  
22.
Relative entropy under mappings by stochastic matrices. Linear Algebra and Its Appl. 179, 1993, p. 311-325 (cu J.E.Cohen, Y.Iwasa, G.Rautu, Mary Beth Ruskai, E.Seneta).

Reviewed(93m:60145) de A. Rhodius ; 15A51

Cited by

a. M. Choi, M.B. Ruskai, E. Seneta, Equivalences of certain entropy coefficients , Lin. Alg. and its appl. 208/109 ,199, p. 29-36

b. D. Morales, L. Pardol, I. Vajda, Uncertainty of Discrete Stoch. Systems - General Theorems and Statistical Inference, IEEE Transactions on Systems, 26,6,681-697 (1996)

c. Rãdulescu Marius, Rãdulescu Sorin, Generalization of Dobrushin inequalities, Journal of Math. Analysis Appl., 204, 3, 631-645 (1996)  

23.
Majorization, monotonicity of relative entropy and stochastic matrices. In Proceedings of the Doeblin Conference, ed. Harry Cohn, Contemporary Mathematics 149, (1993), 251-259.

Reviewed(94i:15017) de A. Rhodius; 15A51  

24.
On a conjecture of Kemperman concerning the contractivity of a stochastic matrix. Rev. Roumaine. Math. Pures appl, XVII, 5-6, 461-476(1997)  
25.
A class of contraction coefficients of a Markov kernel inspired from the average error of a code. Rev. Roumaine. Math. Pures appl, XLIII, 9-10, 897-908(1998)  
26.
A remark concerning the behavior of the ergodicity coefficients with respect to tensor product. Studii ºi cercetãri matematice, Tom 50, nr. 3–4, pg. 277-288 (1998) .  
27.
On the lattice of waiting times, Annales Univ. Sci. Budap, Sect. Computat. , 19 (2000)  
28.
Dobrushin Coefficient of ergodicity and. assymptotic stable L1- contractions (cu. R. Zaharopol) ,J. Theoretical Probability 12(1999), no. 4, 885-902.  
29.
Comparisons of Stochastic Matrices with Applications in Information Theory, Statistics, Economics and Population Sciences (Editura Birkhäuser, 1998) Împreunã cu Joel E. Cohen ºi J.H.B. Kemperman.  
30.
Curs de Teoria mãsurii ºi a probabilitãþilor, Tipografia Universitãþii Bucureºti 1998.  

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