We establish a method of studying cyclicity of the system at the origin.
Yanqin Xiong, Maoan Han 2012, 'Hopf Bifurcation of Limit Cycles in Discontinuous Liénard Systems', Abstract and Applied Analysishttp://dx.doi.org/10.1155/2012/690453. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The recognised cyclicity shows sea-level fluctuations and a few deepening episodes.
Vierek Aleksandra 2014, 'Small-scale cyclic deposition in the Frasnian (Upper Devonian) of the Holy Cross Mountains,Poland', Geologoshttp://www.degruyter.com/view/j/logos.2014.20.issue-4/logos-2014-0019/logos-2014-0019.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Abiotic inputs such as photoperiod and temperature can regulate reproductive cyclicity in many species.
Jason I. Ransom, N. Thompson Hobbs, Jason Bruemmer 2013, 'Contraception can Lead to Trophic Asynchrony between Birth Pulse and Resources', PLoS ONE10.1371/journal.pone.0054972. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Twelve animals were maintained indoors and fed to gain weight until recovering ovarian cyclicity.
Ademir de Moraes Ferreira, Ciro Alexandre Alves Torres, Wanderlei Ferreira de Sá,João Henrique Moreira Viana 1999, 'Consumo e custo da alimentação para recuperação da atividade ovariana luteal cíclicade vacas mestiças leiteiras com anestro Feeding intake and cost for recovering ovarianactivity in crossbreed dairy cows undergoing anestrus', Pesquisa Agropecuária Brasileirahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X1999000100017. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
There was synchronism and cyclicity of disease manifestation, at intervals of six to eight years.
Maria Lúcia Fadel Condino, Eunice Aparecida Bianchi Galati, Márcia Moreira Holcman,Maria Rafaela Braga Salum, Diogo Correa da Silva, René Antonio Novaes Júnior 2008, 'Leishmaniose tegumentar americana no Litoral Norte Paulista, período 1993 a 2005 Americancutaneous leishmaniasis on the northern coastline of the State of São Paulo, 1993to 2005', Revista da Sociedade Brasileira de Medicina Tropicalhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822008000600015. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Surge-type glacier accelerations often occur with a decadal to centennial cyclicity suggesting internal mechanisms responsible.
Christopher Nuth, Adrien Gilbert, Andreas Köhler, Robert McNabb, Thomas Schellenberger,Heïdi Sevestre, Christian Weidle, Luc Girod, Adrian Luckman, Andreas Kääb 2019, 'Dynamic vulnerability revealed in the collapse of an Arctic tidewater glacier', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-019-41117-0. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We focus our interest on the stability and cyclicity of the equilibria.
Bo Sang, Bo Huang 2017, 'Bautin bifurcations of a financial system', Electronic Journal of Qualitative Theory of Differential Equationshttp://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1¶mtipus_ertek=publication¶m_ertek=6119. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This restored their estrus cyclicity, glucose sensitivity, and steroidogenic activity.
Radha Maharjan, Padamnabhi S Nagar, Laxmipriya Nampoothiri 2010, 'Effect of Aloe barbadensis Mill. formulation on Letrozole induced polycystic ovariansyndrome rat model', Journal of Ayurveda and Integrative Medicinehttp://www.jaim.in/article.asp?issn=0975-9476;year=2010;volume=1;issue=4;spage=273;epage=279;aulast=Maharjan. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These limestones also exhibit palaeokarstic surfaces and palaeosols which formed during regressive conditions ofglacio-eustatically controlled cyclicity.
Markus Pracht, Ian D. Somerville 2015, 'A revised Mississippian lithostratigraphy of County Galway (western Ireland) withan analysis of carbonate lithofacies, biostratigraphy, depositional environments andpalaeogeographic reconstructions utilising new borehole data', Journal of Palaeogeographyhttp://www.sciencedirect.com/science/article/pii/S2095383615300079. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The reliability of the short-term astronomical tuning has been tested by using the larger-order cyclicity (100-400 kyr) as control.
MARIO SPROVIERI, ANTONIO CARUSO, LUCA FORESI, ADRIANA BELLANCA, RODOLFO NERI, SALVATOREMAZZOLA, RODOLFO SPROVIERI 2002, 'ASTRONOMICAL CALIBRATION OF THE UPPER LANGHIAN/LOWERSERRAVALLIAN RECORD OF RAS ILPELLEGRIN SECTION (MALTA ISLAND, CENTRAL MEDITERRANEAN)', Rivista Italiana di Paleontologia e Stratigrafiahttps://riviste.unimi.it/index.php/RIPS/article/view/5469. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)