( ! ) Notice: Trying to access array offset on value of type bool in /var/www/ipme.ru/system/controllers/users/actions/profile_tab.php on line 43
Call Stack
#	Time	Memory	Function	Location
1	0.0000	359712	{main}( )	.../index.php:0
2	0.0314	1308352	cmsCore->runController( )	.../index.php:46
3	0.0316	1406776	users->runAction( $action_name = 'mov', $params = [0 => 'science'] )	.../core.php:779
4	0.0321	1428176	users->executeAction( $action_name = 'profile_tab', $params = [0 => ['id' => '45', 'groups' => [...], 'email' => 'mov@ipme.ru', 'password_hash' => '$2y$10$ClQ3Uq3APW85.lQblMg97OOPc67PCSm7pdabkKwvbfQkxCB7UTuYi', 'password' => NULL, 'password_salt' => NULL, 'is_admin' => NULL, 'nickname' => 'Мотыгин Олег Валерьевич', 'slug' => 'mov', 'date_reg' => '2021-03-22 22:46:11', 'date_log' => '2026-06-18 22:13:02', 'date_group' => '2021-03-22 22:46:11', 'ip' => '95.24.220.95', '2fa' => NULL, 'is_deleted' => NULL, 'is_locked' => NULL, 'lock_until' => NULL, 'lock_reason' => NULL, 'pass_token' => NULL, 'date_token' => '2021-03-22 22:55:01', 'friends_count' => '0', 'subscribers_count' => '0', 'time_zone' => 'Europe/Moscow', 'karma' => '0', 'rating' => '0', 'theme' => [...], 'notify_options' => [...], 'privacy_options' => [...], 'status_id' => NULL, 'status_text' => NULL, 'inviter_id' => '1', 'invites_count' => '0', 'date_invites' => '2021-03-22 22:55:01', 'birth_date' => NULL, 'city' => NULL, 'city_cache' => NULL, 'hobby' => NULL, 'avatar' => '---\nnormal: 000/u45/1/6/0d0f08b3.jpg\nsmall: 000/u45/0/b/c054ef3f.jpg\nmicro: 000/u45/4/a/10b9a7c4.jpg\n', 'phone' => '+7(812) 418-21-44 +341', 'music' => NULL, 'movies' => NULL, 'site' => NULL, 'first_name' => 'Олег', 'last_name' => 'Мотыгин', 'father_name' => 'Валерьевич', 'stepen' => '---\n- 38\n', 'job' => '---\n- 7\n', 'address' => 'г. Санкт-Петербург, В.О. Большой проспект д.61, пом 41', 'cat_id' => '---\n- 12\n- 5\n', 'zvanie' => '---\n- 32\n', 'akadem' => NULL, 'scopus' => 'https://www.scopus.com/authid/detail.uri?authorId=6601981939\|[⤤]', 'rinc' => 'https://www.elibrary.ru/author_profile.asp?authorid=77141\|[⤤]', 'researchgate' => 'https://www.researchgate.net/profile/Oleg-Motygin\|[⤤]', 'sciense_area' => 'Дифференциальные и интегральные уравнения, краевые задачи, разрешимость и единственность, примеры неединственности, спектральные задачи, оценки собственных частот. Задачи теории поверхностных волн, описывающие взаимодействие однородной и стратифицированной жидкости с телам', 'rewards' => 'Благодарность СПбГУ за сотрудничество (2017).\r\nБлагодарность Министерства науки и высшего образования Российской Федерации (2021).', 'profevents' => '<p><strong><br></strong></p><p><strong>Образование, ученые степени и звания:</strong></p><p>1993 Диплом с отличием. Кафедра Прикладной математики, Ленинградский кораблестроительный институт;</p><p>1993–1996 Аспирантура (заочн.), специальность «Механика твердого деформируемого тела». Институт проблем машинове', 'edu' => '<p>В 2017–2018 гг. — председатель Государственной экзаменационной комиссии по приему государственных экзаменов и защите выпускных квалификационных работ и присвоению квалификации выпускникам Санкт-Петербургского государственного университета. Математико- механический фа', 'snils' => '005-588-625 63', 'emailcustom' => 'mov@ipme.ru', 'nickname_en' => 'Oleg V. Motygin', 'wos' => 'https://publons.com/researcher/A-5833-2014/\|[⤤]', 'googl_schol' => NULL, 'math_net' => NULL, 'profevents_en' => '<p><strong></strong><strong><br></strong></p><p><strong>Education and Academic degrees:</strong></p><p><strong></strong></p><p>1993 M.Sc. Degree (with honours) in Applied Mathematics from Department of Applied Mathematics, Leningrad Shipbuilding Institute;</p><p>1993–1996 Postgrad. student (part-time) in Mechanics of Solid Deformable Body, in Institute for Problems in Mechanical Engineering, Russian Academy of Sciences;</p><p>1996 Ph.D. Degree (Math.-Phys.) in Mechanics of Fluid, Gas and Plasma from Math.', 'edu_en' => '<p>2017–2018 — chair of the State Examination Commission for taking state exams and defending qualification works and awarding qualifications to graduates of St. Petersburg State University. Faculty of Mathematics and Mechanics of St. Petersburg State University, direction "Applied Mathematics and Informatics" (masters, bachelors).</p>', 'sciense_area_en' => 'Differential and integral equations, boundary value problems, solvability and uniqueness, examples of non-uniqueness, spectral problems, bounds of eigenfrequencies. Problems of the theory of surface waves, describing the interaction of a homogeneous and stratified fluid with bodies, localized modes, ship waves, wave resistance. Special functions and their calculation, numerical integration of rapidly oscillating functions.', 'rewards_en' => NULL, 'address_en' => 'St. Petersburg, VO, Bol\'shoy pr. 61, room 41', 'inn' => '781010748012', 'nopublic' => '1', 'oauth_consent' => NULL, 'oauth_id' => NULL, 'inviter_nickname' => 'admin', 'inviter_slug' => '1', 'inviter_is_deleted' => NULL, 'inviter_avatar' => NULL, 'is_online' => '0', 'ctype_name' => 'users', 'inviter' => [...], 'is_can_vote_karma' => FALSE], 1 => 'science'] )	.../controller.php:429
5	0.0321	1428320	users->runExternalAction( $action_name = 'profile_tab', $params = [0 => ['id' => '45', 'groups' => [...], 'email' => 'mov@ipme.ru', 'password_hash' => '$2y$10$ClQ3Uq3APW85.lQblMg97OOPc67PCSm7pdabkKwvbfQkxCB7UTuYi', 'password' => NULL, 'password_salt' => NULL, 'is_admin' => NULL, 'nickname' => 'Мотыгин Олег Валерьевич', 'slug' => 'mov', 'date_reg' => '2021-03-22 22:46:11', 'date_log' => '2026-06-18 22:13:02', 'date_group' => '2021-03-22 22:46:11', 'ip' => '95.24.220.95', '2fa' => NULL, 'is_deleted' => NULL, 'is_locked' => NULL, 'lock_until' => NULL, 'lock_reason' => NULL, 'pass_token' => NULL, 'date_token' => '2021-03-22 22:55:01', 'friends_count' => '0', 'subscribers_count' => '0', 'time_zone' => 'Europe/Moscow', 'karma' => '0', 'rating' => '0', 'theme' => [...], 'notify_options' => [...], 'privacy_options' => [...], 'status_id' => NULL, 'status_text' => NULL, 'inviter_id' => '1', 'invites_count' => '0', 'date_invites' => '2021-03-22 22:55:01', 'birth_date' => NULL, 'city' => NULL, 'city_cache' => NULL, 'hobby' => NULL, 'avatar' => '---\nnormal: 000/u45/1/6/0d0f08b3.jpg\nsmall: 000/u45/0/b/c054ef3f.jpg\nmicro: 000/u45/4/a/10b9a7c4.jpg\n', 'phone' => '+7(812) 418-21-44 +341', 'music' => NULL, 'movies' => NULL, 'site' => NULL, 'first_name' => 'Олег', 'last_name' => 'Мотыгин', 'father_name' => 'Валерьевич', 'stepen' => '---\n- 38\n', 'job' => '---\n- 7\n', 'address' => 'г. Санкт-Петербург, В.О. Большой проспект д.61, пом 41', 'cat_id' => '---\n- 12\n- 5\n', 'zvanie' => '---\n- 32\n', 'akadem' => NULL, 'scopus' => 'https://www.scopus.com/authid/detail.uri?authorId=6601981939\|[⤤]', 'rinc' => 'https://www.elibrary.ru/author_profile.asp?authorid=77141\|[⤤]', 'researchgate' => 'https://www.researchgate.net/profile/Oleg-Motygin\|[⤤]', 'sciense_area' => 'Дифференциальные и интегральные уравнения, краевые задачи, разрешимость и единственность, примеры неединственности, спектральные задачи, оценки собственных частот. Задачи теории поверхностных волн, описывающие взаимодействие однородной и стратифицированной жидкости с телам', 'rewards' => 'Благодарность СПбГУ за сотрудничество (2017).\r\nБлагодарность Министерства науки и высшего образования Российской Федерации (2021).', 'profevents' => '<p><strong><br></strong></p><p><strong>Образование, ученые степени и звания:</strong></p><p>1993 Диплом с отличием. Кафедра Прикладной математики, Ленинградский кораблестроительный институт;</p><p>1993–1996 Аспирантура (заочн.), специальность «Механика твердого деформируемого тела». Институт проблем машинове', 'edu' => '<p>В 2017–2018 гг. — председатель Государственной экзаменационной комиссии по приему государственных экзаменов и защите выпускных квалификационных работ и присвоению квалификации выпускникам Санкт-Петербургского государственного университета. Математико- механический фа', 'snils' => '005-588-625 63', 'emailcustom' => 'mov@ipme.ru', 'nickname_en' => 'Oleg V. Motygin', 'wos' => 'https://publons.com/researcher/A-5833-2014/\|[⤤]', 'googl_schol' => NULL, 'math_net' => NULL, 'profevents_en' => '<p><strong></strong><strong><br></strong></p><p><strong>Education and Academic degrees:</strong></p><p><strong></strong></p><p>1993 M.Sc. Degree (with honours) in Applied Mathematics from Department of Applied Mathematics, Leningrad Shipbuilding Institute;</p><p>1993–1996 Postgrad. student (part-time) in Mechanics of Solid Deformable Body, in Institute for Problems in Mechanical Engineering, Russian Academy of Sciences;</p><p>1996 Ph.D. Degree (Math.-Phys.) in Mechanics of Fluid, Gas and Plasma from Math.', 'edu_en' => '<p>2017–2018 — chair of the State Examination Commission for taking state exams and defending qualification works and awarding qualifications to graduates of St. Petersburg State University. Faculty of Mathematics and Mechanics of St. Petersburg State University, direction "Applied Mathematics and Informatics" (masters, bachelors).</p>', 'sciense_area_en' => 'Differential and integral equations, boundary value problems, solvability and uniqueness, examples of non-uniqueness, spectral problems, bounds of eigenfrequencies. Problems of the theory of surface waves, describing the interaction of a homogeneous and stratified fluid with bodies, localized modes, ship waves, wave resistance. Special functions and their calculation, numerical integration of rapidly oscillating functions.', 'rewards_en' => NULL, 'address_en' => 'St. Petersburg, VO, Bol\'shoy pr. 61, room 41', 'inn' => '781010748012', 'nopublic' => '1', 'oauth_consent' => NULL, 'oauth_id' => NULL, 'inviter_nickname' => 'admin', 'inviter_slug' => '1', 'inviter_is_deleted' => NULL, 'inviter_avatar' => NULL, 'is_online' => '0', 'ctype_name' => 'users', 'inviter' => [...], 'is_can_vote_karma' => FALSE], 1 => 'science'] )	.../controller.php:453
6	0.0321	1429296	actionUsersProfileTab->run( $profile = ['id' => '45', 'groups' => [0 => 9, 1 => 8, 2 => 3], 'email' => 'mov@ipme.ru', 'password_hash' => '$2y$10$ClQ3Uq3APW85.lQblMg97OOPc67PCSm7pdabkKwvbfQkxCB7UTuYi', 'password' => NULL, 'password_salt' => NULL, 'is_admin' => NULL, 'nickname' => 'Мотыгин Олег Валерьевич', 'slug' => 'mov', 'date_reg' => '2021-03-22 22:46:11', 'date_log' => '2026-06-18 22:13:02', 'date_group' => '2021-03-22 22:46:11', 'ip' => '95.24.220.95', '2fa' => NULL, 'is_deleted' => NULL, 'is_locked' => NULL, 'lock_until' => NULL, 'lock_reason' => NULL, 'pass_token' => NULL, 'date_token' => '2021-03-22 22:55:01', 'friends_count' => '0', 'subscribers_count' => '0', 'time_zone' => 'Europe/Moscow', 'karma' => '0', 'rating' => '0', 'theme' => [], 'notify_options' => ['comments_new' => 'email', 'comments_reply' => 'email', 'groups_invite' => 'both', 'messages_new' => 'email', 'subscriptions' => 'both', 'rating_user_vote' => ''], 'privacy_options' => [], 'status_id' => NULL, 'status_text' => NULL, 'inviter_id' => '1', 'invites_count' => '0', 'date_invites' => '2021-03-22 22:55:01', 'birth_date' => NULL, 'city' => NULL, 'city_cache' => NULL, 'hobby' => NULL, 'avatar' => '---\nnormal: 000/u45/1/6/0d0f08b3.jpg\nsmall: 000/u45/0/b/c054ef3f.jpg\nmicro: 000/u45/4/a/10b9a7c4.jpg\n', 'phone' => '+7(812) 418-21-44 +341', 'music' => NULL, 'movies' => NULL, 'site' => NULL, 'first_name' => 'Олег', 'last_name' => 'Мотыгин', 'father_name' => 'Валерьевич', 'stepen' => '---\n- 38\n', 'job' => '---\n- 7\n', 'address' => 'г. Санкт-Петербург, В.О. Большой проспект д.61, пом 41', 'cat_id' => '---\n- 12\n- 5\n', 'zvanie' => '---\n- 32\n', 'akadem' => NULL, 'scopus' => 'https://www.scopus.com/authid/detail.uri?authorId=6601981939\|[⤤]', 'rinc' => 'https://www.elibrary.ru/author_profile.asp?authorid=77141\|[⤤]', 'researchgate' => 'https://www.researchgate.net/profile/Oleg-Motygin\|[⤤]', 'sciense_area' => 'Дифференциальные и интегральные уравнения, краевые задачи, разрешимость и единственность, примеры неединственности, спектральные задачи, оценки собственных частот. Задачи теории поверхностных волн, описывающие взаимодействие однородной и стратифицированной жидкости с телам', 'rewards' => 'Благодарность СПбГУ за сотрудничество (2017).\r\nБлагодарность Министерства науки и высшего образования Российской Федерации (2021).', 'profevents' => '<p><strong><br></strong></p><p><strong>Образование, ученые степени и звания:</strong></p><p>1993 Диплом с отличием. Кафедра Прикладной математики, Ленинградский кораблестроительный институт;</p><p>1993–1996 Аспирантура (заочн.), специальность «Механика твердого деформируемого тела». Институт проблем машинове', 'edu' => '<p>В 2017–2018 гг. — председатель Государственной экзаменационной комиссии по приему государственных экзаменов и защите выпускных квалификационных работ и присвоению квалификации выпускникам Санкт-Петербургского государственного университета. Математико- механический фа', 'snils' => '005-588-625 63', 'emailcustom' => 'mov@ipme.ru', 'nickname_en' => 'Oleg V. Motygin', 'wos' => 'https://publons.com/researcher/A-5833-2014/\|[⤤]', 'googl_schol' => NULL, 'math_net' => NULL, 'profevents_en' => '<p><strong></strong><strong><br></strong></p><p><strong>Education and Academic degrees:</strong></p><p><strong></strong></p><p>1993 M.Sc. Degree (with honours) in Applied Mathematics from Department of Applied Mathematics, Leningrad Shipbuilding Institute;</p><p>1993–1996 Postgrad. student (part-time) in Mechanics of Solid Deformable Body, in Institute for Problems in Mechanical Engineering, Russian Academy of Sciences;</p><p>1996 Ph.D. Degree (Math.-Phys.) in Mechanics of Fluid, Gas and Plasma from Math.', 'edu_en' => '<p>2017–2018 — chair of the State Examination Commission for taking state exams and defending qualification works and awarding qualifications to graduates of St. Petersburg State University. Faculty of Mathematics and Mechanics of St. Petersburg State University, direction "Applied Mathematics and Informatics" (masters, bachelors).</p>', 'sciense_area_en' => 'Differential and integral equations, boundary value problems, solvability and uniqueness, examples of non-uniqueness, spectral problems, bounds of eigenfrequencies. Problems of the theory of surface waves, describing the interaction of a homogeneous and stratified fluid with bodies, localized modes, ship waves, wave resistance. Special functions and their calculation, numerical integration of rapidly oscillating functions.', 'rewards_en' => NULL, 'address_en' => 'St. Petersburg, VO, Bol\'shoy pr. 61, room 41', 'inn' => '781010748012', 'nopublic' => '1', 'oauth_consent' => NULL, 'oauth_id' => NULL, 'inviter_nickname' => 'admin', 'inviter_slug' => '1', 'inviter_is_deleted' => NULL, 'inviter_avatar' => NULL, 'is_online' => '0', 'ctype_name' => 'users', 'inviter' => ['nickname' => 'admin', 'slug' => '1', 'is_deleted' => NULL, 'avatar' => NULL], 'is_can_vote_karma' => FALSE], $tab_name = 'science', $dataset = ??? )	.../controller.php:582

( ! ) Notice: Trying to access array offset on value of type bool in /var/www/ipme.ru/system/controllers/users/actions/profile_tab.php on line 43

Call Stack

Time

Memory

Function

Location

0.0000

359712

{main}( )

.../index.php:0

0.0314

1308352

cmsCore->runController( )

.../index.php:46

0.0316

1406776

users->runAction( $action_name = 'mov', $params = [0 => 'science'] )

.../core.php:779

0.0321

1428176

users->executeAction( $action_name = 'profile_tab', $params = [0 => ['id' => '45', 'groups' => [...], 'email' => 'mov@ipme.ru', 'password_hash' => '$2y$10$ClQ3Uq3APW85.lQblMg97OOPc67PCSm7pdabkKwvbfQkxCB7UTuYi', 'password' => NULL, 'password_salt' => NULL, 'is_admin' => NULL, 'nickname' => 'Мотыгин Олег Валерьевич', 'slug' => 'mov', 'date_reg' => '2021-03-22 22:46:11', 'date_log' => '2026-06-18 22:13:02', 'date_group' => '2021-03-22 22:46:11', 'ip' => '95.24.220.95', '2fa' => NULL, 'is_deleted' => NULL, 'is_locked' => NULL, 'lock_until' => NULL, 'lock_reason' => NULL, 'pass_token' => NULL, 'date_token' => '2021-03-22 22:55:01', 'friends_count' => '0', 'subscribers_count' => '0', 'time_zone' => 'Europe/Moscow', 'karma' => '0', 'rating' => '0', 'theme' => [...], 'notify_options' => [...], 'privacy_options' => [...], 'status_id' => NULL, 'status_text' => NULL, 'inviter_id' => '1', 'invites_count' => '0', 'date_invites' => '2021-03-22 22:55:01', 'birth_date' => NULL, 'city' => NULL, 'city_cache' => NULL, 'hobby' => NULL, 'avatar' => '---\nnormal: 000/u45/1/6/0d0f08b3.jpg\nsmall: 000/u45/0/b/c054ef3f.jpg\nmicro: 000/u45/4/a/10b9a7c4.jpg\n', 'phone' => '+7(812) 418-21-44 +341', 'music' => NULL, 'movies' => NULL, 'site' => NULL, 'first_name' => 'Олег', 'last_name' => 'Мотыгин', 'father_name' => 'Валерьевич', 'stepen' => '---\n- 38\n', 'job' => '---\n- 7\n', 'address' => 'г. Санкт-Петербург, В.О. Большой проспект д.61, пом 41', 'cat_id' => '---\n- 12\n- 5\n', 'zvanie' => '---\n- 32\n', 'akadem' => NULL, 'scopus' => 'https://www.scopus.com/authid/detail.uri?authorId=6601981939|[⤤]', 'rinc' => 'https://www.elibrary.ru/author_profile.asp?authorid=77141|[⤤]', 'researchgate' => 'https://www.researchgate.net/profile/Oleg-Motygin|[⤤]', 'sciense_area' => 'Дифференциальные и интегральные уравнения, краевые задачи, разрешимость и единственность, примеры неединственности, спектральные задачи, оценки собственных частот. Задачи теории поверхностных волн, описывающие взаимодействие однородной и стратифицированной жидкости с телам', 'rewards' => 'Благодарность СПбГУ за сотрудничество (2017).\r\nБлагодарность Министерства науки и высшего образования Российской Федерации (2021).', 'profevents' => ' Образование, ученые степени и звания:1993 Диплом с отличием. Кафедра Прикладной математики, Ленинградский кораблестроительный институт;1993–1996 Аспирантура (заочн.), специальность «Механика твердого деформируемого тела». Институт проблем машинове', 'edu' => 'В 2017–2018 гг. — председатель Государственной экзаменационной комиссии по приему государственных экзаменов и защите выпускных квалификационных работ и присвоению квалификации выпускникам Санкт-Петербургского государственного университета. Математико- механический фа', 'snils' => '005-588-625 63', 'emailcustom' => 'mov@ipme.ru', 'nickname_en' => 'Oleg V. Motygin', 'wos' => 'https://publons.com/researcher/A-5833-2014/|[⤤]', 'googl_schol' => NULL, 'math_net' => NULL, 'profevents_en' => ' Education and Academic degrees:1993 M.Sc. Degree (with honours) in Applied Mathematics from Department of Applied Mathematics, Leningrad Shipbuilding Institute;1993–1996 Postgrad. student (part-time) in Mechanics of Solid Deformable Body, in Institute for Problems in Mechanical Engineering, Russian Academy of Sciences;1996 Ph.D. Degree (Math.-Phys.) in Mechanics of Fluid, Gas and Plasma from Math.', 'edu_en' => '2017–2018 — chair of the State Examination Commission for taking state exams and defending qualification works and awarding qualifications to graduates of St. Petersburg State University. Faculty of Mathematics and Mechanics of St. Petersburg State University, direction "Applied Mathematics and Informatics" (masters, bachelors).', 'sciense_area_en' => 'Differential and integral equations, boundary value problems, solvability and uniqueness, examples of non-uniqueness, spectral problems, bounds of eigenfrequencies. Problems of the theory of surface waves, describing the interaction of a homogeneous and stratified fluid with bodies, localized modes, ship waves, wave resistance. Special functions and their calculation, numerical integration of rapidly oscillating functions.', 'rewards_en' => NULL, 'address_en' => 'St. Petersburg, VO, Bol\'shoy pr. 61, room 41', 'inn' => '781010748012', 'nopublic' => '1', 'oauth_consent' => NULL, 'oauth_id' => NULL, 'inviter_nickname' => 'admin', 'inviter_slug' => '1', 'inviter_is_deleted' => NULL, 'inviter_avatar' => NULL, 'is_online' => '0', 'ctype_name' => 'users', 'inviter' => [...], 'is_can_vote_karma' => FALSE], 1 => 'science'] )

.../controller.php:429

0.0321

1428320

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.../controller.php:582

https://doi.org/10.1016/j.wavemoti.2008.05.002

On the statement of the three-dimensional Neumann-Kelvin problem

НАУЧНЫЕ ПУБЛИКАЦИИ

Авторы:

д.ф.м.н. Мотыгин Олег Валерьевич

Название издания:

2008 Proceedings of the International Conference Days on Diffraction, DD 2008

Выпуск издания:

/ 5072329

Страницы издания:

140 - 146

On uniqueness In the problem of gravity-capillary water waves above submerged bodies

НАУЧНЫЕ ПУБЛИКАЦИИ

Авторы:

д.ф.м.н. Мотыгин Олег Валерьевич , McIver P.

Название издания:

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences

Том издания:

465

Выпуск издания:

2106

Страницы издания:

1743 - 1761

ДОИ (doi):

https://doi.org/10.1098/rspa.2009.0012

On uniqueness and solvability in the linear problem of ship waves

НАУЧНЫЕ ПУБЛИКАЦИИ

Авторы:

д.ф.м.н. Мотыгин Олег Валерьевич , McIver P.

Название издания:

Quarterly Journal of Mechanics and Applied Mathematics

Том издания:

Выпуск издания:

Страницы издания:

495 - 523

ДОИ (doi):

https://doi.org/10.1093/qjmam/hbp020

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On regularization of the Heun functions

Sloshing in vertical cylinders with circular walls: The effect of radial baffles

Numerical approximation of oscillatory integrals of the linear ship wave theory

On evaluation of the confluent Heun functions

Non-uniqueness in the problem of forward motion of bodies in a two-layer fluid

Freely floating structures trapping time-harmonic water waves

On numerical evaluation of the Heun functions

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The three-dimensional problem of the coupled time-harmonic motion of a freely floating body and water covered by brash ice

Surface and internal waves: The two-dimensional problem on forward motion of a body intersecting the interface between two fluids

On uniqueness in the two- and three-dimensional Neumann-Kelvin problem

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On the statement of the three-dimensional Neumann-Kelvin problem

On uniqueness In the problem of gravity-capillary water waves above submerged bodies

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