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Department of Mathematics and Statistics at the Faculty of Science
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Contact
» Elena Braverman
Elena Braverman
Professor
Chair - AMAT Division
Division Chair
- Applied Mathematics
+1 (403) 220-3956
Mathematical Sciences 444
maelena@ucalgary.ca
Website:
http://math.ucalgary.ca/~maelena/
Office Hours
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
10a‑11:40a
2:05p‑3:50p
-
10a‑11:40a
2:05p‑3:50p
-
10a‑11:40a
-
-
Research Interests
Delay differential equations
Delay equations of population dynamics
Logistic equations
Impulsive equations
Equations with distributed delay
Numerical solution of partial differential equations
Spectral methods of numerical analysis
Currently Teaching
Not currently teaching any courses.
view past courses
Publications
Book
Berezansky, Leonid,
Braverman, Elena
and Idels, Lev
.
On oscillation of nonlinear delay equations of population dynamics
Yokohama Publ., Yokohama, 2004. 1-14. Print.
Israeli, M.,
Braverman, Elena
and Averbuch, A.
.
A hierarchical domain decomposition method with low communication overhead
, Internat. Center Numer. Methods Eng. (CIMNE), Barcelona, 2002. 395-403. Print.
Averbuch, A.,
Braverman, Elena
and Israeli, M.
.
A new low communication parallel algorithm for elliptic partial differential equations
North-Holland, 2001. 275-282. Print.
Braverman, Elena
.
On linear neutral type equations with generalized right-hand side
1. Coll. Judea Samaria, 1993. 22-32. Print.
Braverman, Elena
.
On the definition of the inner superposition operator in a space of discrete measures
Perm. Politekh. Inst., 1990. 131-142. Print.
Anokhin, A. V. and
Braverman, Elena
.
Definition of the concept of impulse functional-differential equations
Perm. Politekh. Inst., 1989. 35-46. Print.
Braverman, Elena
.
On a boundary value problem for a linear functional-differential equation with impulses
Perm. Politekh. Inst., 1988. 50-55. Print.
Braverman, Elena
.
Conditions for the unique solvability of the {C}auchy problem with impulse actions
Perm. Politekh. Inst., 1987. 146-150, x. Print.
Braverman, Elena
.
An inner superposition operator in a special space
Perm. Politekh. Inst., 1986. 96-103, viii. Print.
Braverman, Elena
.
Complete continuity of a linear operator in the space of step functions
Perm. Politekh. Inst., 1986. 49-52, v. Print.
Braverman, Elena
.
Solvability on the half-axis of some nonlinear integral equations with deviating argument
Perm. Politekh. Inst., 1984. 30-33, 154-155. Print.
Journal Article
Berezansky, Leonid and
Braverman, Elena
.
"
On stability of some linear and nonlinear delay differential equations
"
. J. Math. Anal. Appl.
314.2 (2006): 391-411. Print.
Berezansky, L. and
Braverman, Elena
.
"
On persistence of a delay differential equation with positive and negative coefficients
"
. Functional Differential Equations
12.1-2 (2005): 95-107. Print.
Braverman, Elena
, Israeli, M. and Averbuch, A.
.
"
A hierarchical 3-{D} direct {H}elmholtz solver by domain decomposition and modified {F}ourier method
"
. SIAM Journal on Scientific Computing
26.5 (2005): 1504-1524 (electronic). Print.
Berezansky, L.,
Braverman, Elena
and Idels, L.
.
"
Delay differential equations with {H}ill's type growth rate and linear harvesting
"
. Computers & Mathematics with Applications. An International Journal
49.4 (2005): 549-563. Print.
Berezansky, L. and
Braverman, Elena
.
"
On exponential dichotomy, {B}ohl-{P}erron type theorems and stability of difference equations
"
. J. Math. Anal. Appl.
304.2 (2005): 511-530. Print.
Berezansky, Leonid,
Braverman, Elena
and Liz, Eduardo
.
"
Sufficient conditions for the global stability of nonautonomous higher order difference equations
"
. Journal of Difference Equations and Applications
11.9 (2005): 785-798. Print.
Braverman, Elena
, Epstein, Boris, Israeli, Moshe and Averbuch, Amir
.
"
A fast spectral subtractional solver for elliptic equations
"
. Journal of Scientific Computing
21.1 (2004): 91-128. Print.
Berezansky, L. and
Braverman, Elena
.
"
On {B}ohl-{P}erron type theorems for linear difference equations
"
. Functional Differential Equations
11.1-2 (2004): 19-28. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
On impulsive {B}everton-{H}olt difference equations and their applications
"
. Journal of Difference Equations and Applications
10.9 (2004): 851-868. Print.
Berezansky, L.,
Braverman, Elena
and Idels, L.
.
"
Delay differential logistic equations with harvesting
"
. Mathematical and Computer Modelling
39.11-12 (2004): 1243-1259. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
On oscillation of a food-limited population model with time delay [MR1954246]
"
.
, (2003): 55-66. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Oscillation criteria for a linear neutral differential equation
"
. Journal of Mathematical Analysis and Applications
286.2 (2003): 601-617. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Linearized oscillation theory for a nonlinear delay impulsive equation
"
. Journal of Computational and Applied Mathematics
161.2 (2003): 477-495. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Linearized oscillation theory for a nonlinear nonautonomous delay differential equation
"
. Journal of Computational and Applied Mathematics
151.1 (2003): 119-127. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Oscillation for equations with positive and negative coefficients and distributed delay. {II}. {A}pplications
"
. Electronic Journal of Differential Equations
, (2003): No. 47, 25 pp. (electronic). Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Oscillation for equations with positive and negative coefficients and with distributed delay. {I}. {G}eneral results
"
. Electronic Journal of Differential Equations
, (2003): No. 12, 21 pp. (electronic). Print.
Berezansky, L.,
Braverman, Elena
and Idels, L.
.
"
Delay differential logistic equations with a nonlinear harvesting function
"
. Functional Differential Equations
10.1-2 (2003): 83-94. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
On oscillation of a food-limited population model with time delay
"
. Abstract and Applied Analysis
, 1 (2003): 55-66. Print.
Berezansky, L. and
Braverman, Elena
.
"
Oscillation and other properties of linear impulsive and nonimpulsive delay equations
"
. Applied Mathematics Letters. An International Journal of Rapid Publication
16.7 (2003): 1025-1030. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Oscillation properties of a logistic equation with distributed delay
"
. Nonlinear Analysis. Real World Applications. An International Multidisciplinary Journal
4.1 (2003): 1-19. Print.
Berezansky, Leonid, Domshlak, Yury and
Braverman, Elena
.
"
On oscillation properties of delay differential equations with positive and negative coefficients
"
. Journal of Mathematical Analysis and Applications
274.1 (2002): 81-101. Print.
Berezansky, L. and
Braverman, Elena
.
"
On oscillation of a differential equation with infinite number of delays
"
. Zeitschrift f\"ur Analysis und ihre Anwendungen. Journal for Analysis and its Applications
21.3 (2002): 803-816. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
On oscillation of an impulsive logistic equation
"
. Dynamics of Continuous, Discrete \& Impulsive Systems. Series A. Mathematical Analysis
9.3 (2002): 377-396. Print.
Israeli, Moshe,
Braverman, Elena
and Averbuch, Amir
.
"
A hierarchical 3-{D} {P}oisson modified {F}ourier solver by domain decomposition
"
. Journal of Scientific Computing
17.1-4 (2002): 471-479. Print.
Berezansky, L. and
Braverman, Elena
.
"
Non-oscillation properties of a linear neutral differential equations
"
. Functional Differential Equations
9.3-4 (2002): 275-288. Print.
Averbuch, A.,
Braverman, Elena
, Coifman, R. and Israeli, M.
.
"
Fast evaluation of 2-{D} and 3-{D} oscillatory integrals with local {F}ourier bases
"
. International Journal of Pure and Applied Mathematics
3.1 (2002): 1-28. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
On oscillation of a generalized logistic equation with several delays
"
. Journal of Mathematical Analysis and Applications
253.2 (2001): 389-405. Print.
Berezansky, L. and
Braverman, Elena
.
"
On oscillation of equations with distributed delay
"
. Zeitschrift f\"ur Analysis und ihre Anwendungen. Journal for Analysis and its Applications
20.2 (2001): 489-504. Print.
Averbuch, A.,
Braverman, Elena
, Israeli, M. and Coifman, R.
.
"
On efficient computation of multidimensional oscillatory integrals with local {F}ourier bases
"
. Nonlinear Analysis. Theory, Methods \& Applications. An International Multidisciplinary Journal. Series A: Theory and Methods
47.5 (2001): 3491-3502. Print.
Berezansky, L. and
Braverman, Elena
.
"
On oscillation of a multiplicative delay logistic equation
"
. Nonlinear Analysis. Theory, Methods \& Applications. An International Multidisciplinary Journal. Series A: Theory and Methods
47.2 (2001): 1199-1209. Print.
Averbuch, A.,
Braverman, Elena
, Israeli, M. and Coifman, R.
.
"
On efficient computation of multidimensional oscillatory integrals with local Fourier bases
"
. Nonlinear Analysis. Theory, Methods & Applications. An International Multidisciplinary Journal. Series A: Theory and Methods
47.5 (2001): 3491-3502. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Oscillation properties of a logistic equation with several delays
"
. Journal of Mathematical Analysis and Applications
247.1 (2000): 110-125. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
On oscillation of a logistic equation with several delays
"
. Journal of Computational and Applied Mathematics
113.1-2 (2000): 255-265. Print.
Averbuch, A.,
Braverman, Elena
and Israeli, M.
.
"
Parallel adaptive solution of a {P}oisson equation with multiwavelets
"
. SIAM Journal on Scientific Computing
22.3 (2000): 1053-1086 (electronic). Print.
Berezansky, L. and
Braverman, Elena
.
"
Oscillation of a second-order delay differential equation with middle term
"
. Applied Mathematics Letters. An International Journal of Rapid Publication
13.2 (2000): 21-25. Print.
Averbuch, A.,
Braverman, Elena
, Coifman, R., Israeli, M. and Sidi, A.
.
"
Efficient computation of oscillatory integrals via adaptive multiscale local {F}ourier bases
"
. Applied and Computational Harmonic Analysis. Time-Frequency and Time-Scale Analysis, Wavelets, Numerical Algorithms, and Applications
9.1 (2000): 19-53. Print.
Berezansky, L. and
Braverman, Elena
.
"
On oscillation of a second order impulsive linear delay differential equation
"
. Journal of Mathematical Analysis and Applications
233.1 (1999): 276-300. Print.
Berezansky, L. and
Braverman, Elena
.
"
Nonoscillation of a second order linear delay differential equation with a middle term
"
. Functional Differential Equations
6.3-4 (1999): 233-247. Print.
Braverman, Elena
, Israeli, M. and Averbuch, A.
.
"
A fast spectral solver for a {$3$}{D} {H}elmholtz equation
"
. SIAM Journal on Scientific Computing
20.6 (1999): 2237-2260 (electronic). Print.
Berezansky, Leonid,
Braverman, Elena
and Ak{\c{c}}a, Haydar
.
"
On oscillation of a linear delay integro-differential equation
"
. Dynamic Systems and Applications
8.2 (1999): 219-234. Print.
Berezansky, L. and
Braverman, Elena
.
"
Some oscillation problems for a second order linear delay differential equation
"
. Journal of Mathematical Analysis and Applications
220.2 (1998): 719-740. Print.
Braverman, Elena
, Israeli, M., Averbuch, A. and Vozovoi, L.
.
"
A fast {$3$}{D} {P}oisson solver of arbitrary order accuracy
"
. Journal of Computational Physics
144.1 (1998): 109-136. Print.
Berezansky, L. and
Braverman, Elena
.
"
Explicit conditions of exponential stability for a linear impulsive delay differential equation
"
. Journal of Mathematical Analysis and Applications
214.2 (1997): 439-458. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
On non-oscillation of a scalar delay differential equation
"
. Dynamic Systems and Applications
6.4 (1997): 567-580. Print.
Ak{\c{c}}a, H., Berezansky, L. and
Braverman, Elena
.
"
On linear integro-differential equations with integral impulsive conditions
"
. Zeitschrift f\"ur Analysis und ihre Anwendungen. Journal for Analysis and its Applications
15.3 (1996): 709-727. Print.
Berezansky, Leonid and
Braverman, Elena
.
"
Impulsive stabilization of linear delay differential equations
"
. Dynamic Systems and Applications
5.2 (1996): 263-276. Print.
Berezansky, L. and
Braverman, Elena
.
"
Oscillation of a linear delay impulsive differential equation
"
. Communications on Applied Nonlinear Analysis
3.1 (1996): 61-77. Print.
Berezansky, L. and
Braverman, Elena
.
"
Exponential boundedness of solutions for impulsive delay differential equations
"
. Applied Mathematics Letters. An International Journal of Rapid Publication
9.6 (1996): 91-95. Print.
Berezansky, L. and
Braverman, Elena
.
"
On integrable solutions of impulsive delay differential equations
"
. Differential Equations and Dynamical Systems. An International Journal for Theory and Applications
4.1 (1996): 21-42. Print.
Anokhin, A., Berezansky, L. and
Braverman, Elena
.
"
Exponential stability of linear delay impulsive differential equations
"
. Journal of Mathematical Analysis and Applications
193.3 (1995): 923-941. Print.
Berezansky, L. and
Braverman, Elena
.
"
Preservation of the exponential stability under perturbations of linear delay impulsive differential equations
"
. Zeitschrift f\"ur Analysis und ihre Anwendungen. Journal for Analysis and its Applications
14.1 (1995): 157-174. Print.
Berezansky, L. and
Braverman, Elena
.
"
Boundedness and stability of impulsively perturbed delay differential equations
"
. Functional Differential Equations
3.1-2 (1995): 19-30. Print.
Anokhin, Alexander, Berezansky, Leonid and
Braverman, Elena
.
"
Stability of linear delay impulsive differential equations
"
. Dynamic Systems and Applications
4.2 (1995): 173-187. Print.
Braverman, Elena
and Drakhlin, Michael
.
"
On the variational problem for functionals with deviations of argument
"
. Nonlinear Analysis. Theory, Methods \& Applications. An International Multidisciplinary Journal. Series A: Theory and Methods
25.11 (1995): 1123-1138. Print.
Berezansky, L. and
Braverman, Elena
.
"
On stability of impulsive differential equations with delay
"
. Functional Differential Equations. Israel Seminar
2. (1994): 11-21 (1995). Print.
Berezansky, L. and
Braverman, Elena
.
"
Boundedness and stability of impulsively perturbed systems in a {B}anach space
"
. International Journal of Theoretical Physics
33.10 (1994): 2075-2090. Print.
Braverman, Elena
.
"
The inner superposition operator in the space of discrete measures
"
. Izvestiya Vysshikh Uchebnykh Zavedeni\u\i. Matematika
, 12 (1991): 80-85. Print.
Anokhin, A. V. and
Braverman, Elena
.
"
Linear impulsive functional-differential equations
"
. Differentsial\cprime nye Uravneniya
26.11 (1990): 1864-1872, 2018. Print.
Courses
Supervised Students
Degrees
PhD
Urals State University
, 1990
MSc
University of Perm, 1983
BSc
University of Perm, 1981
Students
Md. Kamrujjaman
2010 to Present
Lyudmila Korobenko
2008 to Present
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