CONCLUSIONS FROM AN EXTENDED GAUGE PRINCIPLE OF DIRAC'S EQUATION.HALPERN L.1977; LECTURE NOTES MATH.; GERM.; DA. 1977; NO 570; PP. 355-364; BIBL. 22 REF.; (DIFFER. GEOM. METHODS MATH. PHYS. SYMP. PROC.; BONN; 1975)Conference Paper

GENERALIZATIONS OF GRAVITATIONAL THEORY BASED ON GROUP COVARIANCEHALPERN L.1983; LECTURE NOTES IN PHYSICS; ISSN 0075-8450; DEU; DA. 1983; VOL. 176; PP. 26-30; BIBL. 11 REF.Conference Paper

MANIFESTATIONS OF GROUP COVARIANCE IN A METRIC THEORYHALPERN L.1983; FOUNDATIONS OF PHYSICS; ISSN 0015-9018; USA; DA. 1983; VOL. 13; NO 3; PP. 297-310; BIBL. 34 REF.Article

BROKEN SYMMETRY OF LIE GROUPS OF TRANSFORMATION GENERATING GENERAL RELATIVISTIC THEORIES OF GRAVITATIONHALPERN L.1981; MATH. PHYS. APPL. MATH.; ISSN 0165-2419; NLD; DA. 1981; NO 6; PP. 147-159; BIBL. 21 REF.Article

GAUGE FORMALISM ON THE LIE ALGEBRA EXTENDED TO A GAUGE THEORY OF HIGHER ORDER EQUIVALENT TO GROUP SPACE GAUGINGHALPERN L.1980; GROUP THEORETICAL METHODS IN PHYSICS. INTERNATIONAL COLLOQUIUM ON GROUP-THEORETICAL METHODS IN PHYSICS. 8/1979/KIRYAT ANAVIM; ISR/GBR; BRISTOL: ADAM HILGER/S.L.: ISRAEL PHYSICAL SOCIETY; DA. 1980; PP. 260-262; BIBL. 2 REF.;[ANNALS OF THE ISRAEL PHYSICAL SOCIETY; ISSN 0309-8710; VOL. 3]Conference Paper

GRAVITATIONAL LAW AND SPINNING ELECTRON EQUATION IN A DE SITTER SYMMETRIC SPACE.HALPERN L.1977; GEN. RELATIV. GRAVITAT.; G.B.; DA. 1977; VOL. 8; NO 8; PP. 623-630; BIBL. 6 REF.Article

AN APPROACH TO A DISCRETE QUANTUM MECHANICS IN CLOSED RIEMANNIAN SPACESHALPERN L.1972; ACAD. R. BELG., BULL. CL. SCI.; BELG.; DA. 1972; VOL. 58; NO 8; PP. 996-1011; BIBL. 21 REF.Serial Issue

SUBSTITUTION-DETOXIFICATION AND ITS ROLE IN THE MANAGEMENT OF CHRONIC BENIGN PAINHALPERN L.1982; J. CLIN. PSYCHIATRY; ISSN 0160-6689; USA; DA. 1982; VOL. 43; NO 8; SECT. 2; PP. 10-13; BIBL. 4 REF.Article

CONNECTIONS AND SPINOR CONNECTIONS ASSOCIATED WITH FINITE GROUPS OF TRANSFORMATIONSHALPERN L.1978; REV. BRAS. FIS.; BRA; DA. 1978; VOL. 8; NO 2; PP. 465-477; ABS. POR; BIBL. 7 REF.Article

ON THE DETECTION OF GRAVITATIONAL RADIATION BY ITS INTERACTION WITH ELECTROMAGNETIC FIELDS.HALPERN L.1974; IN: EXP. GRAVITATION. PROC. INT. SCH. PHYS. ENRICO FERMI. COURSE 56; VARENNA, ITALY; 1972; NEW YORK; ACAD. PRESS; DA. 1974; PP. 414-424; BIBL. 11 REF.Conference Paper

GENERALIZATIONS OF GRAVITATIONAL THEORY BASED ON GROUP COVARIANCEHALPERN L.1982; INT. J. THEOR. PHYS.; ISSN 0020-7748; GBR; DA. 1982; VOL. 21; NO 10-11; PP. 791-802; BIBL. 17 REF.Article

GENERAL RELATIVISTIC GRAVITATION AS THE THEORY OF BROKEN SYMMETRY OF INTRANSITIVE GROUPS OF TRANSFORMATIONSHALPERN L.1979; GEN. RELATIV. GRAVITAT.; GBR; DA. 1979; VOL. 11; NO 2; PP. 125-132; BIBL. 13 REF.Article

LIMITS ON TERRESTRIAL PRODUCED GRAVITATIONAL RADIATION.HALPERN L.1974; IN: ONDES RADIAT. GRAVITATIONNELLES. COLLOQ. INT. C.N.R.S.; PARIS; 1973; PARIS; C.N.R.S.; DA. 1974; PP. 373-378; ABS. FR.; BIBL. 8 REF.Conference Paper

GRAY COVARIANCE AND SPIN MOTION IN GRAVITATIONAL THEORYHALPERN L.1982; PHYSICA, A; ISSN 0378-4371; NLD; DA. 1982; VOL. 114; NO 1-3; PP. 146-150; BIBL. 10 REF.Conference Paper

ABSORBING BOUNDARY CONDITIONS FOR THE DISCRETIZATION SCHEMES OF THE ONE-DIMENSIONAL WAVE EQUATIONHALPERN L.1982; MATH. COMPUT.; ISSN 0025-5718; USA; DA. 1982; VOL. 38; NO 158; PP. 415-429; BIBL. 14 REF.Article

GENERAL RELATIVISTIC THEORY OF GRAVITATION EXHIBITING COMPLETE GROUP COVARIANCEHALPERN L.1981; INT. J. THEOR. PHYS.; ISSN 0020-7748; GBR; DA. 1981; VOL. 20; NO 4; PP. 297-309; BIBL. 11 REF.Article

ON GROUP COVARIANT PHYSICAL LAWS AND GRAVITATIONHALPERN L.1979; LECTURE NOTES PHYS.; DEU; DA. 1979; NO 94; PP. 379-381; BIBL. 4 REF.Conference Paper

BROKEN SYMMETRY OF LIE GROUPS OF TRANSFORMATION GENERATING GENERAL RELATIVISTIC THEORIES OF GRAVITATIONHALPERN L.1979; INTERNATION. J. THEOR. PHYS.; GBR; DA. 1979 PUBL. 1980; VOL. 18; NO 11; PP. 845-860; BIBL. 23 REF.Article

A spectral method for the stokes problem in three-dimensional unbounded domainsHALPERN, L.Mathematics of computation. 2001, Vol 70, Num 236, pp 1417-1436, issn 0025-5718Article

Geometrical structure of gravitation and matter fieldsHALPERN, L.International journal of theoretical physics. 1994, Vol 33, Num 2, pp 401-424, issn 0020-7748Article

Artificial boundary conditions for incompletely parabolic perturbations of hyperbolic systemsHALPERN, L.SIAM journal on mathematical analysis. 1991, Vol 22, Num 5, pp 1256-1283, issn 0036-1410Article

A geometrical theory of spin motionHALPERN, L.International journal of theoretical physics. 1984, Vol 23, Num 9, pp 843-862, issn 0020-7748Article

Artificial boundary conditions for the linear advection diffusion equationHALPERN, L.Mathematics of computation. 1986, Vol 46, Num 174, pp 425-438, issn 0025-5718Article

Stabilisation et crise : situation économique de la Hongrie en 1991 et perspectives pour 1992HALPERN, L.Le Courrier des pays de l'Est. 1992, Num 369, pp 51-62, issn 0590-0239Article

Conditions aux limites artificielles pour un système incomplètement parabolique = Artificial boundary conditions for incompletely parabolic systemsHALPERN, L.Comptes rendus de l'Académie des sciences. Série 1, Mathématique. 1988, Vol 307, Num 8, pp 413-416, issn 0764-4442Article