# An Introduction to Mathematical Biology by Linda J.S. Allen

By Linda J.S. Allen

KEY BENEFIT: This reference introduces various mathematical types for organic structures, and offers the mathematical thought and strategies important in interpreting these types. fabric is geared up in keeping with the mathematical idea instead of the organic program. includes purposes of mathematical idea to organic examples in each one bankruptcy. makes a speciality of deterministic mathematical versions with an emphasis on predicting the qualitative resolution habit over the years. Discusses classical mathematical types from inhabitants , together with the Leslie matrix version, the Nicholson-Bailey version, and the Lotka-Volterra predator-prey version. additionally discusses newer versions, reminiscent of a version for the Human Immunodeficiency Virus - HIV and a version for flour beetles. KEY MARKET: Readers seeking a superior history within the arithmetic in the back of modeling in biology and publicity to a wide selection of mathematical versions in biology.

Similar biology & life sciences books

Biology for a Changing World

From the groundbreaking partnership of W. H. Freeman and Scientific American comes this unique creation to the technology of biology and its effect at the approach we are living. In Biology for a altering global, skilled educators and a technological know-how journalist discover the center principles of biology via a sequence of chapters written and illustrated within the variety of a systematic American article.

Additional resources for An Introduction to Mathematical Biology

Example text

Deno te this factor as rence equa tion is 1 + a/lt. 6 The Approximate Logistic Equation n popu latio n models. Logistic The logistic mode l is one of the most well-know due to its S-sha ped solut ion th, grow th is often refer red to as sigmoid grow lly increases exponentially; initia curve. A popu latio n that grows logistically, ache s an uppe r boun d or appro then the grow th slows down and eventually the logistic differential is l limit. The most well-known form of the mode latio n at time t; then popu a of equa tion.

H h K t par variable xis dimensiocless · anmee er . 13) is a special case of a more gene ral model: as the Rick er X1+1 popu latio n models but it was This equa tion has been appli ed extensively in d on stock and recru itmen t originally deve loped for fish popu latio ns base 3. (Ricker, 1954). We discuss this mode l in Chap ter = a K(l + a) Y1+1 = a vYt - 1 " 2 yf a K (1 + a) 2 ayt = K(l - X1) = (1 + a)x1(l - x 1). as a factor. Deno te this factor as rence equa tion is 1 + a/lt. 6 The Approximate Logistic Equation n popu latio n models.

2 _ r ± . 19) holds and magn itude less than one. tic equat ion of the Deno te r = Tr(J) and 8 = det(J ). Then the characteris Jacobian matrix J is 2 p(A) = A - rA + 8 = 0. The eigenvalues are the zeros of p(A), that is, r ± Ai,2 = Vr2 2 48 · We show that IA;I < liff lrl < 1 + 8 < 2. 2. Two cases are conFirst, we prove that IA;I < 1 implies Ir I < 1 + 8 < are complex conjugates. sidered, wh~n the eigenvalues are real and when they 2 s are real. Then r 2: 48. Case I Suppose IA; I < 1 and the eigenvalue 2 two places Ai and A2.