Works by Umeno, Ken

Results: 20

Retention of higher fertility depending on ovarian follicle reserve in cystine-glutamate transporter gene-deficient mice.

Published in:

Histochemistry & Cell Biology, 2022, v. 157, n. 3, p. 347, doi. 10.1007/s00418-022-02077-1

By:

Watanabe, Ren;
Takano, Tomoe;
Sasaki, Sho;
Obara, Mizuho;
Umeno, Ken;
Sato, Hideyo;
Kimura, Naoko

Publication type:

Article

Fractal portfolio strategies: does scale preference of investors matter?

Published in:

Applied Economics Letters, 2025, v. 32, n. 3, p. 415, doi. 10.1080/13504851.2023.2274298

By:

Kakinaka, Shinji;
Hayakawa, Tadaaki;
Kato, Daisuke;
Umeno, Ken

Publication type:

Article

The impact of oocyte death on mouse primordial follicle formation and ovarian reserve.

Published in:

Reproductive Medicine & Biology, 2022, v. 21, n. 1, p. 1, doi. 10.1002/rmb2.12489

By:

Umeno, Ken;
Sasaki, Ayana;
Kimura, Naoko

Publication type:

Article

The Impact of COVID-19 on Weak-Form Efficiency in Cryptocurrency and Forex Markets.

Published in:

Entropy, 2023, v. 25, n. 12, p. 1622, doi. 10.3390/e25121622

By:

Zitis, Pavlos I.;
Kakinaka, Shinji;
Umeno, Ken;
Stavrinides, Stavros G.;
Hanias, Michael P.;
Potirakis, Stelios M.

Publication type:

Article

Investigating Dynamical Complexity and Fractal Characteristics of Bitcoin/US Dollar and Euro/US Dollar Exchange Rates around the COVID-19 Outbreak.

Published in:

Entropy, 2023, v. 25, n. 2, p. 214, doi. 10.3390/e25020214

By:

Zitis, Pavlos I.;
Kakinaka, Shinji;
Umeno, Ken;
Hanias, Michael P.;
Stavrinides, Stavros G.;
Potirakis, Stelios M.

Publication type:

Article

A capacitive coupling model between the ionosphere and a fault layer in the crust with supercritical water.

Published in:

International Journal of Plasma Environmental Science & Technology (IJPEST), 2024, v. 18, n. 1, p. 1, doi. 10.34343/ijpest.2024.18.e01003

By:

Akira Mizuno;
Minghui Kao;
Ken Umeno

Publication type:

Article

Average booking curves draw exponential functions.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-42745-3

By:

Shintani, Masaru;
Umeno, Ken

Publication type:

Article

Average booking curves draw exponential functions.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-42745-3

By:

Shintani, Masaru;
Umeno, Ken

Publication type:

Article

Preseismic Ionospheric Anomalies Detected Before the 2016 Taiwan Earthquake.

Published in:

Journal of Geophysical Research. Space Physics, 2019, v. 124, n. 11, p. 9239, doi. 10.1029/2019JA026640

By:

Goto, Shin‐itiro;
Uchida, Ryoma;
Igarashi, Kiyoshi;
Chen, Chia‐Hung;
Kao, Minghui;
Umeno, Ken

Publication type:

Article

Preseismic ionospheric anomalies detected before the 2016 Kumamoto earthquake.

Published in:

Journal of Geophysical Research. Space Physics, 2017, v. 122, n. 3, p. 3602, doi. 10.1002/2017JA023921

By:

Iwata, Takuya;
Umeno, Ken

Publication type:

Article

Correlation analysis for preseismic total electron content anomalies around the 2011 Tohoku-Oki earthquake.

Published in:

Journal of Geophysical Research. Space Physics, 2016, v. 121, n. 9, p. 8969, doi. 10.1002/2016JA023036

By:

Iwata, Takuya;
Umeno, Ken

Publication type:

Article

Learnability of chaotic nature of generalized Boole transformations with GANs.

Published in:

JSIAM Letters (Online), 2024, v. 16, p. 57, doi. 10.14495/jsiaml.16.57

By:

Suguru Iwasaki;
Ken Umeno

Publication type:

Article

Chaotic synchronization of mutually coupled nonchaotic systems.

Published in:

JSIAM Letters (Online), 2024, v. 16, p. 33, doi. 10.14495/jsiaml.16.33

By:

Keishi Takahisa;
Ken Umeno

Publication type:

Article

Super orthogonal chaos codes with primitive roots.

Published in:

JSIAM Letters (Online), 2023, v. 15, p. 129, doi. 10.14495/jsiaml.15.129

By:

Hiroki Matsuyama;
Minghui Kao;
Ken Umeno

Publication type:

Article

Analysis of the limit values of chaos degree for infinite number of partitions in asymmetric tent maps.

Published in:

JSIAM Letters (Online), 2023, v. 15, p. 41, doi. 10.14495/jsiaml.15.41

By:

Tomoyuki Mao;
Hidetoshi Okutomi;
Ken Umeno

Publication type:

Article

Independent component analysis communication using complex spreading sequence with constant power.

Published in:

JSIAM Letters (Online), 2023, v. 15, p. 37, doi. 10.14495/jsiaml.15.37

By:

Hiroki Matsuyama;
Minghui Kao;
Ken Umeno

Publication type:

Article

General dynamic pricing algorithms based on universal exponential booking curves.

Published in:

JSIAM Letters (Online), 2022, p. 49, doi. 10.14495/jsiaml.14.49

By:

Masaru Shintani;
Ken Umeno

Publication type:

Article

Time-Rescaling regression method for exponential decay time series predictions.

Published in:

JSIAM Letters (Online), 2022, p. 45, doi. 10.14495/jsiaml.14.45

By:

Masaru Shintani;
Ken Umeno

Publication type:

Article

Conditional Lyapunov exponent criteria in terms of ergodic theory.

Published in:

Progress of Theoretical & Experimental Physics: PTEP, 2018, v. 2018, n. 1, p. 1, doi. 10.1093/ptep/ptx168

By:

Shintani, Masaru;
Umeno, Ken

Publication type:

Article

Exact Lyapunov exponents of the generalized Boole transformations.

Published in:

Progress of Theoretical & Experimental Physics: PTEP, 2016, v. 2016, n. 2, p. 1, doi. 10.1093/ptep/ptv195

By:

Ken Umeno;
Ken-ichi Okubo

Publication type:

Article